./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/18_read_write_lock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6739d3c9-a1ea-48b0-979d-862063f58541/bin/ugemcutter-YQQFZV6HUA/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6739d3c9-a1ea-48b0-979d-862063f58541/bin/ugemcutter-YQQFZV6HUA/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6739d3c9-a1ea-48b0-979d-862063f58541/bin/ugemcutter-YQQFZV6HUA/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6739d3c9-a1ea-48b0-979d-862063f58541/bin/ugemcutter-YQQFZV6HUA/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-ext/18_read_write_lock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6739d3c9-a1ea-48b0-979d-862063f58541/bin/ugemcutter-YQQFZV6HUA/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6739d3c9-a1ea-48b0-979d-862063f58541/bin/ugemcutter-YQQFZV6HUA --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 72289b7b84ec29dc48aff6fa2f8d521998f594af518139867a01f104107e1865 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 09:46:32,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 09:46:32,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 09:46:32,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 09:46:32,323 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 09:46:32,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 09:46:32,329 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 09:46:32,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 09:46:32,335 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 09:46:32,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 09:46:32,342 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 09:46:32,343 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 09:46:32,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 09:46:32,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 09:46:32,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 09:46:32,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 09:46:32,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 09:46:32,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 09:46:32,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 09:46:32,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 09:46:32,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 09:46:32,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 09:46:32,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 09:46:32,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 09:46:32,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 09:46:32,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 09:46:32,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 09:46:32,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 09:46:32,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 09:46:32,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 09:46:32,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 09:46:32,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 09:46:32,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 09:46:32,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 09:46:32,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 09:46:32,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 09:46:32,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 09:46:32,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 09:46:32,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 09:46:32,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 09:46:32,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 09:46:32,398 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6739d3c9-a1ea-48b0-979d-862063f58541/bin/ugemcutter-YQQFZV6HUA/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2021-12-07 09:46:32,447 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 09:46:32,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 09:46:32,448 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 09:46:32,448 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 09:46:32,455 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 09:46:32,455 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 09:46:32,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 09:46:32,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 09:46:32,457 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 09:46:32,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 09:46:32,458 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 09:46:32,458 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-07 09:46:32,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 09:46:32,459 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 09:46:32,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 09:46:32,459 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 09:46:32,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 09:46:32,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 09:46:32,460 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-12-07 09:46:32,460 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 09:46:32,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 09:46:32,460 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 09:46:32,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 09:46:32,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 09:46:32,461 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 09:46:32,461 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-12-07 09:46:32,461 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 09:46:32,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 09:46:32,462 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 09:46:32,463 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 09:46:32,464 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 09:46:32,464 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 09:46:32,464 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-12-07 09:46:32,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 09:46:32,464 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 09:46:32,465 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-12-07 09:46:32,465 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 09:46:32,465 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-12-07 09:46:32,465 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-12-07 09:46:32,466 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_6739d3c9-a1ea-48b0-979d-862063f58541/bin/ugemcutter-YQQFZV6HUA/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6739d3c9-a1ea-48b0-979d-862063f58541/bin/ugemcutter-YQQFZV6HUA Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72289b7b84ec29dc48aff6fa2f8d521998f594af518139867a01f104107e1865 [2021-12-07 09:46:32,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 09:46:32,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 09:46:32,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 09:46:32,786 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 09:46:32,787 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 09:46:32,788 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6739d3c9-a1ea-48b0-979d-862063f58541/bin/ugemcutter-YQQFZV6HUA/../../sv-benchmarks/c/pthread-ext/18_read_write_lock.i [2021-12-07 09:46:32,863 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6739d3c9-a1ea-48b0-979d-862063f58541/bin/ugemcutter-YQQFZV6HUA/data/37c2a1c14/3cb315c892574b1ca6ec7c7aa1905acc/FLAGce7a07953 [2021-12-07 09:46:33,396 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 09:46:33,397 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6739d3c9-a1ea-48b0-979d-862063f58541/sv-benchmarks/c/pthread-ext/18_read_write_lock.i [2021-12-07 09:46:33,425 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6739d3c9-a1ea-48b0-979d-862063f58541/bin/ugemcutter-YQQFZV6HUA/data/37c2a1c14/3cb315c892574b1ca6ec7c7aa1905acc/FLAGce7a07953 [2021-12-07 09:46:33,719 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6739d3c9-a1ea-48b0-979d-862063f58541/bin/ugemcutter-YQQFZV6HUA/data/37c2a1c14/3cb315c892574b1ca6ec7c7aa1905acc [2021-12-07 09:46:33,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 09:46:33,725 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 09:46:33,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 09:46:33,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 09:46:33,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 09:46:33,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:46:33" (1/1) ... [2021-12-07 09:46:33,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62b67206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:46:33, skipping insertion in model container [2021-12-07 09:46:33,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:46:33" (1/1) ... [2021-12-07 09:46:33,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 09:46:33,792 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 09:46:33,998 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-07 09:46:34,132 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6739d3c9-a1ea-48b0-979d-862063f58541/sv-benchmarks/c/pthread-ext/18_read_write_lock.i[31161,31174] [2021-12-07 09:46:34,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 09:46:34,144 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 09:46:34,159 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-12-07 09:46:34,194 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6739d3c9-a1ea-48b0-979d-862063f58541/sv-benchmarks/c/pthread-ext/18_read_write_lock.i[31161,31174] [2021-12-07 09:46:34,203 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 09:46:34,254 INFO L208 MainTranslator]: Completed translation [2021-12-07 09:46:34,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:46:34 WrapperNode [2021-12-07 09:46:34,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 09:46:34,256 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 09:46:34,256 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 09:46:34,256 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 09:46:34,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:46:34" (1/1) ... [2021-12-07 09:46:34,297 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:46:34" (1/1) ... [2021-12-07 09:46:34,328 INFO L137 Inliner]: procedures = 174, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2021-12-07 09:46:34,329 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 09:46:34,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 09:46:34,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 09:46:34,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 09:46:34,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:46:34" (1/1) ... [2021-12-07 09:46:34,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:46:34" (1/1) ... [2021-12-07 09:46:34,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:46:34" (1/1) ... [2021-12-07 09:46:34,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:46:34" (1/1) ... [2021-12-07 09:46:34,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:46:34" (1/1) ... [2021-12-07 09:46:34,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:46:34" (1/1) ... [2021-12-07 09:46:34,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:46:34" (1/1) ... [2021-12-07 09:46:34,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 09:46:34,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 09:46:34,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 09:46:34,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 09:46:34,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:46:34" (1/1) ... [2021-12-07 09:46:34,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 09:46:34,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6739d3c9-a1ea-48b0-979d-862063f58541/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:46:34,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6739d3c9-a1ea-48b0-979d-862063f58541/bin/ugemcutter-YQQFZV6HUA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 09:46:34,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6739d3c9-a1ea-48b0-979d-862063f58541/bin/ugemcutter-YQQFZV6HUA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 09:46:34,440 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-12-07 09:46:34,440 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-12-07 09:46:34,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 09:46:34,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-07 09:46:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 09:46:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 09:46:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 09:46:34,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 09:46:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-07 09:46:34,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 09:46:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 09:46:34,443 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-07 09:46:34,581 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 09:46:34,596 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 09:46:34,833 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 09:46:34,926 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 09:46:34,926 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-07 09:46:34,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:46:34 BoogieIcfgContainer [2021-12-07 09:46:34,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 09:46:34,931 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 09:46:34,931 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 09:46:34,934 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 09:46:34,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:46:33" (1/3) ... [2021-12-07 09:46:34,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35e13172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:46:34, skipping insertion in model container [2021-12-07 09:46:34,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:46:34" (2/3) ... [2021-12-07 09:46:34,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35e13172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:46:34, skipping insertion in model container [2021-12-07 09:46:34,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:46:34" (3/3) ... [2021-12-07 09:46:34,937 INFO L111 eAbstractionObserver]: Analyzing ICFG 18_read_write_lock.i [2021-12-07 09:46:34,942 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-07 09:46:34,943 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 09:46:34,943 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2021-12-07 09:46:34,943 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-07 09:46:34,966 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,967 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,967 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,967 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,968 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,968 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,968 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,968 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,969 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_w_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,969 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_w_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,969 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_w_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,969 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,969 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,970 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_w_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,970 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,970 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,970 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_w_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,971 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,971 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,971 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_w_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,971 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,971 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,972 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_w_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,972 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,972 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,972 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_w_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,973 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,973 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,973 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,973 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,974 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,974 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,974 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,975 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,975 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,975 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,975 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,976 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,976 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,976 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,976 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,977 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,977 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,977 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,977 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,978 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,981 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,981 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_w_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,981 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,982 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,982 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,982 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,982 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,983 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,983 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:46:34,984 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-07 09:46:35,030 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-12-07 09:46:35,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6739d3c9-a1ea-48b0-979d-862063f58541/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:46:35,032 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6739d3c9-a1ea-48b0-979d-862063f58541/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-12-07 09:46:35,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6739d3c9-a1ea-48b0-979d-862063f58541/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-12-07 09:46:35,080 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2021-12-07 09:46:35,085 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 09:46:35,085 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-12-07 09:46:35,217 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2021-12-07 09:46:35,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:46:35,223 INFO L85 PathProgramCache]: Analyzing trace with hash -965314256, now seen corresponding path program 1 times [2021-12-07 09:46:35,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:46:35,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480248947] [2021-12-07 09:46:35,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:46:35,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:46:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:46:35,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 09:46:35,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:46:35,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480248947] [2021-12-07 09:46:35,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480248947] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:46:35,424 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:46:35,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-12-07 09:46:35,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166137565] [2021-12-07 09:46:35,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:46:35,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-07 09:46:35,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:46:35,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 09:46:35,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 09:46:35,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:46:35,466 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:46:35,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 24.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 09:46:35,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:46:35,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:46:35,512 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 09:46:35,512 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2021-12-07 09:46:35,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:46:35,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1402888329, now seen corresponding path program 1 times [2021-12-07 09:46:35,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:46:35,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175605391] [2021-12-07 09:46:35,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:46:35,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:46:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:46:35,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 09:46:35,625 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:46:35,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175605391] [2021-12-07 09:46:35,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175605391] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:46:35,626 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:46:35,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 09:46:35,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623912215] [2021-12-07 09:46:35,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:46:35,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 09:46:35,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:46:35,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 09:46:35,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 09:46:35,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:46:35,631 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:46:35,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 09:46:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:46:35,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:46:35,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:46:35,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:46:35,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 09:46:35,781 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2021-12-07 09:46:35,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:46:35,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1502800782, now seen corresponding path program 1 times [2021-12-07 09:46:35,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:46:35,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617447829] [2021-12-07 09:46:35,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:46:35,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:46:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:46:35,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 09:46:35,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:46:35,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617447829] [2021-12-07 09:46:35,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617447829] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:46:35,874 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:46:35,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 09:46:35,875 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974998979] [2021-12-07 09:46:35,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:46:35,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 09:46:35,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:46:35,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 09:46:35,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 09:46:35,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:46:35,878 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:46:35,878 INFO L471 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) [2021-12-07 09:46:35,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:46:35,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:46:35,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:46:36,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:46:36,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:46:36,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:46:36,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 09:46:36,018 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2021-12-07 09:46:36,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:46:36,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1434910015, now seen corresponding path program 1 times [2021-12-07 09:46:36,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:46:36,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389156159] [2021-12-07 09:46:36,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:46:36,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:46:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:46:36,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 09:46:36,150 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:46:36,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389156159] [2021-12-07 09:46:36,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389156159] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:46:36,155 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:46:36,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 09:46:36,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761091132] [2021-12-07 09:46:36,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:46:36,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-07 09:46:36,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:46:36,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 09:46:36,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 09:46:36,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:46:36,159 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:46:36,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 09:46:36,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:46:36,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:46:36,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:46:36,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:46:36,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:46:36,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:46:36,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:46:36,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 09:46:36,284 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (4 of 5 remaining) [2021-12-07 09:46:36,285 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining) [2021-12-07 09:46:36,285 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining) [2021-12-07 09:46:36,285 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining) [2021-12-07 09:46:36,285 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining) [2021-12-07 09:46:36,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 09:46:36,299 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-12-07 09:46:36,300 INFO L308 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2021-12-07 09:46:36,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-12-07 09:46:36,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6739d3c9-a1ea-48b0-979d-862063f58541/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:46:36,309 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6739d3c9-a1ea-48b0-979d-862063f58541/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-12-07 09:46:36,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6739d3c9-a1ea-48b0-979d-862063f58541/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2021-12-07 09:46:36,314 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-12-07 09:46:36,315 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 09:46:36,315 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-12-07 09:46:36,384 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2021-12-07 09:46:36,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:46:36,385 INFO L85 PathProgramCache]: Analyzing trace with hash 88071786, now seen corresponding path program 1 times [2021-12-07 09:46:36,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:46:36,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787527953] [2021-12-07 09:46:36,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:46:36,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:46:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:46:36,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 09:46:36,409 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:46:36,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787527953] [2021-12-07 09:46:36,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787527953] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:46:36,410 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:46:36,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 09:46:36,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596371365] [2021-12-07 09:46:36,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:46:36,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-07 09:46:36,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:46:36,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 09:46:36,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 09:46:36,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:46:36,412 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:46:36,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 09:46:36,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:46:36,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:46:36,542 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2021-12-07 09:46:36,542 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2021-12-07 09:46:36,542 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2021-12-07 09:46:36,543 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2021-12-07 09:46:36,544 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2021-12-07 09:46:36,544 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2021-12-07 09:46:36,544 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2021-12-07 09:46:36,544 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2021-12-07 09:46:36,545 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2021-12-07 09:46:36,545 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 10 remaining) [2021-12-07 09:46:36,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 09:46:36,549 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-12-07 09:46:36,550 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (2/2) [2021-12-07 09:46:36,550 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-07 09:46:36,550 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-07 09:46:36,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:46:36 BasicIcfg [2021-12-07 09:46:36,555 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-07 09:46:36,556 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 09:46:36,556 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 09:46:36,556 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 09:46:36,557 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:46:34" (3/4) ... [2021-12-07 09:46:36,559 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-07 09:46:36,565 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2021-12-07 09:46:36,573 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 72 nodes and edges [2021-12-07 09:46:36,574 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2021-12-07 09:46:36,574 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-07 09:46:36,575 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-07 09:46:36,629 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6739d3c9-a1ea-48b0-979d-862063f58541/bin/ugemcutter-YQQFZV6HUA/witness.graphml [2021-12-07 09:46:36,630 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 09:46:36,630 INFO L158 Benchmark]: Toolchain (without parser) took 2905.48ms. Allocated memory is still 134.2MB. Free memory was 98.6MB in the beginning and 52.6MB in the end (delta: 46.0MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2021-12-07 09:46:36,631 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory was 58.6MB in the beginning and 58.5MB in the end (delta: 30.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 09:46:36,631 INFO L158 Benchmark]: CACSL2BoogieTranslator took 518.14ms. Allocated memory is still 134.2MB. Free memory was 98.3MB in the beginning and 98.9MB in the end (delta: -580.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-07 09:46:36,632 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.48ms. Allocated memory is still 134.2MB. Free memory was 98.9MB in the beginning and 96.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 09:46:36,632 INFO L158 Benchmark]: Boogie Preprocessor took 34.58ms. Allocated memory is still 134.2MB. Free memory was 96.9MB in the beginning and 95.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 09:46:36,633 INFO L158 Benchmark]: RCFGBuilder took 563.89ms. Allocated memory is still 134.2MB. Free memory was 95.2MB in the beginning and 78.1MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-07 09:46:36,633 INFO L158 Benchmark]: TraceAbstraction took 1624.28ms. Allocated memory is still 134.2MB. Free memory was 77.2MB in the beginning and 56.8MB in the end (delta: 20.4MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2021-12-07 09:46:36,633 INFO L158 Benchmark]: Witness Printer took 73.81ms. Allocated memory is still 134.2MB. Free memory was 56.8MB in the beginning and 52.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-07 09:46:36,636 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory was 58.6MB in the beginning and 58.5MB in the end (delta: 30.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 518.14ms. Allocated memory is still 134.2MB. Free memory was 98.3MB in the beginning and 98.9MB in the end (delta: -580.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.48ms. Allocated memory is still 134.2MB. Free memory was 98.9MB in the beginning and 96.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.58ms. Allocated memory is still 134.2MB. Free memory was 96.9MB in the beginning and 95.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 563.89ms. Allocated memory is still 134.2MB. Free memory was 95.2MB in the beginning and 78.1MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1624.28ms. Allocated memory is still 134.2MB. Free memory was 77.2MB in the beginning and 56.8MB in the end (delta: 20.4MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * Witness Printer took 73.81ms. Allocated memory is still 134.2MB. Free memory was 56.8MB in the beginning and 52.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1594, positive: 1415, positive conditional: 589, positive unconditional: 826, negative: 179, negative conditional: 164, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1438, positive: 1415, positive conditional: 589, positive unconditional: 826, negative: 23, negative conditional: 8, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1438, positive: 1415, positive conditional: 589, positive unconditional: 826, negative: 23, negative conditional: 8, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1446, positive: 1415, positive conditional: 424, positive unconditional: 991, negative: 31, negative conditional: 8, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1446, positive: 1415, positive conditional: 99, positive unconditional: 1316, negative: 31, negative conditional: 5, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1446, positive: 1415, positive conditional: 99, positive unconditional: 1316, negative: 31, negative conditional: 5, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 848, positive: 829, positive conditional: 3, positive unconditional: 826, negative: 19, negative conditional: 3, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 848, positive: 750, positive conditional: 0, positive unconditional: 750, negative: 98, negative conditional: 0, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 98, positive: 79, positive conditional: 3, positive unconditional: 76, negative: 19, negative conditional: 3, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 221, positive: 175, positive conditional: 5, positive unconditional: 170, negative: 46, negative conditional: 6, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1446, positive: 586, positive conditional: 96, positive unconditional: 490, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 848, unknown conditional: 6, unknown unconditional: 842] , Statistics on independence cache: Total cache size (in pairs): 848, Positive cache size: 829, Positive conditional cache size: 3, Positive unconditional cache size: 826, Negative cache size: 19, Negative conditional cache size: 3, Negative unconditional cache size: 16, Eliminated conditions: 328, Maximal queried relation: 2, Independence queries for same thread: 156 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 126, Number of trivial persistent sets: 110, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 841, positive: 826, positive conditional: 0, positive unconditional: 826, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1594, positive: 1415, positive conditional: 589, positive unconditional: 826, negative: 179, negative conditional: 164, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1438, positive: 1415, positive conditional: 589, positive unconditional: 826, negative: 23, negative conditional: 8, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1438, positive: 1415, positive conditional: 589, positive unconditional: 826, negative: 23, negative conditional: 8, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1446, positive: 1415, positive conditional: 424, positive unconditional: 991, negative: 31, negative conditional: 8, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1446, positive: 1415, positive conditional: 99, positive unconditional: 1316, negative: 31, negative conditional: 5, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1446, positive: 1415, positive conditional: 99, positive unconditional: 1316, negative: 31, negative conditional: 5, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 848, positive: 829, positive conditional: 3, positive unconditional: 826, negative: 19, negative conditional: 3, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 848, positive: 750, positive conditional: 0, positive unconditional: 750, negative: 98, negative conditional: 0, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 98, positive: 79, positive conditional: 3, positive unconditional: 76, negative: 19, negative conditional: 3, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 221, positive: 175, positive conditional: 5, positive unconditional: 170, negative: 46, negative conditional: 6, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1446, positive: 586, positive conditional: 96, positive unconditional: 490, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 848, unknown conditional: 6, unknown unconditional: 842] , Statistics on independence cache: Total cache size (in pairs): 848, Positive cache size: 829, Positive conditional cache size: 3, Positive unconditional cache size: 826, Negative cache size: 19, Negative conditional cache size: 3, Negative unconditional cache size: 16, Eliminated conditions: 328, Maximal queried relation: 2, Independence queries for same thread: 156 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1682, positive: 1448, positive conditional: 615, positive unconditional: 833, negative: 234, negative conditional: 217, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1488, positive: 1448, positive conditional: 615, positive unconditional: 833, negative: 40, negative conditional: 23, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1488, positive: 1448, positive conditional: 615, positive unconditional: 833, negative: 40, negative conditional: 23, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1488, positive: 1448, positive conditional: 0, positive unconditional: 1448, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1488, positive: 1448, positive conditional: 0, positive unconditional: 1448, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1488, positive: 1448, positive conditional: 0, positive unconditional: 1448, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 852, positive: 833, positive conditional: 0, positive unconditional: 833, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 852, positive: 756, positive conditional: 0, positive unconditional: 756, negative: 96, negative conditional: 0, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 96, positive: 77, positive conditional: 0, positive unconditional: 77, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 123, positive: 100, positive conditional: 0, positive unconditional: 100, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1488, positive: 615, positive conditional: 0, positive unconditional: 615, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 852, unknown conditional: 0, unknown unconditional: 852] , Statistics on independence cache: Total cache size (in pairs): 852, Positive cache size: 833, Positive conditional cache size: 0, Positive unconditional cache size: 833, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 194 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 170, Number of trivial persistent sets: 161, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 850, positive: 833, positive conditional: 0, positive unconditional: 833, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1682, positive: 1448, positive conditional: 615, positive unconditional: 833, negative: 234, negative conditional: 217, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1488, positive: 1448, positive conditional: 615, positive unconditional: 833, negative: 40, negative conditional: 23, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1488, positive: 1448, positive conditional: 615, positive unconditional: 833, negative: 40, negative conditional: 23, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1488, positive: 1448, positive conditional: 0, positive unconditional: 1448, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1488, positive: 1448, positive conditional: 0, positive unconditional: 1448, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1488, positive: 1448, positive conditional: 0, positive unconditional: 1448, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 852, positive: 833, positive conditional: 0, positive unconditional: 833, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 852, positive: 756, positive conditional: 0, positive unconditional: 756, negative: 96, negative conditional: 0, negative unconditional: 96, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 96, positive: 77, positive conditional: 0, positive unconditional: 77, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 123, positive: 100, positive conditional: 0, positive unconditional: 100, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1488, positive: 615, positive conditional: 0, positive unconditional: 615, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 852, unknown conditional: 0, unknown unconditional: 852] , Statistics on independence cache: Total cache size (in pairs): 852, Positive cache size: 833, Positive conditional cache size: 0, Positive unconditional cache size: 833, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 194 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 713]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 715]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 721]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 727]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 736]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 740]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 91 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 127 ConstructedInterpolants, 0 QuantifiedInterpolants, 194 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 91 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 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 - AllSpecificationsHoldResult: All specifications hold 14 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-12-07 09:46:36,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6739d3c9-a1ea-48b0-979d-862063f58541/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2021-12-07 09:46:36,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6739d3c9-a1ea-48b0-979d-862063f58541/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-12-07 09:46:37,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6739d3c9-a1ea-48b0-979d-862063f58541/bin/ugemcutter-YQQFZV6HUA/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 Result: TRUE