./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_732c4d63-af57-4b13-bd58-a9f1d808ff4e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_732c4d63-af57-4b13-bd58-a9f1d808ff4e/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_732c4d63-af57-4b13-bd58-a9f1d808ff4e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_732c4d63-af57-4b13-bd58-a9f1d808ff4e/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_732c4d63-af57-4b13-bd58-a9f1d808ff4e/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_732c4d63-af57-4b13-bd58-a9f1d808ff4e/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 81147b3e42a82bd92b2fd1c17836bc41bf8598e66ad2317620561a8ac507fa9a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 21:36:28,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:36:28,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:36:28,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:36:28,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:36:28,393 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:36:28,394 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:36:28,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:36:28,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:36:28,398 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:36:28,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:36:28,400 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:36:28,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:36:28,402 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:36:28,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:36:28,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:36:28,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:36:28,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:36:28,408 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:36:28,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:36:28,411 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:36:28,413 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:36:28,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:36:28,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:36:28,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:36:28,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:36:28,419 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:36:28,420 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:36:28,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:36:28,421 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:36:28,421 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:36:28,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:36:28,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:36:28,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:36:28,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:36:28,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:36:28,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:36:28,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:36:28,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:36:28,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:36:28,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:36:28,428 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_732c4d63-af57-4b13-bd58-a9f1d808ff4e/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 21:36:28,449 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:36:28,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:36:28,449 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:36:28,450 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:36:28,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:36:28,450 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:36:28,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:36:28,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:36:28,452 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:36:28,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:36:28,452 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 21:36:28,452 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:36:28,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:36:28,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 21:36:28,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:36:28,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:36:28,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:36:28,453 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:36:28,454 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 21:36:28,454 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 21:36:28,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:36:28,454 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:36:28,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:36:28,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:36:28,455 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:36:28,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:36:28,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:36:28,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:36:28,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:36:28,456 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:36:28,456 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:36:28,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 21:36:28,456 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:36:28,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:36:28,457 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:36:28,457 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:36:28,457 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:36:28,457 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_732c4d63-af57-4b13-bd58-a9f1d808ff4e/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_732c4d63-af57-4b13-bd58-a9f1d808ff4e/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81147b3e42a82bd92b2fd1c17836bc41bf8598e66ad2317620561a8ac507fa9a [2022-12-13 21:36:28,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:36:28,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:36:28,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:36:28,684 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:36:28,684 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:36:28,685 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_732c4d63-af57-4b13-bd58-a9f1d808ff4e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i [2022-12-13 21:36:31,283 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:36:31,516 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:36:31,517 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_732c4d63-af57-4b13-bd58-a9f1d808ff4e/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i [2022-12-13 21:36:31,531 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_732c4d63-af57-4b13-bd58-a9f1d808ff4e/bin/uautomizer-uyxdKDjOR8/data/37a789803/48085c66c2e24cc9b6ed61f652b514f9/FLAG5955eff0f [2022-12-13 21:36:31,545 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_732c4d63-af57-4b13-bd58-a9f1d808ff4e/bin/uautomizer-uyxdKDjOR8/data/37a789803/48085c66c2e24cc9b6ed61f652b514f9 [2022-12-13 21:36:31,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:36:31,548 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:36:31,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:36:31,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:36:31,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:36:31,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:36:31" (1/1) ... [2022-12-13 21:36:31,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63a1087c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:36:31, skipping insertion in model container [2022-12-13 21:36:31,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:36:31" (1/1) ... [2022-12-13 21:36:31,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:36:31,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:36:31,745 WARN L237 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_732c4d63-af57-4b13-bd58-a9f1d808ff4e/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i[820,833] [2022-12-13 21:36:32,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:36:32,116 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:36:32,125 WARN L237 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_732c4d63-af57-4b13-bd58-a9f1d808ff4e/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i[820,833] [2022-12-13 21:36:32,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:36:32,212 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:36:32,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:36:32 WrapperNode [2022-12-13 21:36:32,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:36:32,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:36:32,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:36:32,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:36:32,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:36:32" (1/1) ... [2022-12-13 21:36:32,234 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:36:32" (1/1) ... [2022-12-13 21:36:32,253 INFO L138 Inliner]: procedures = 364, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 79 [2022-12-13 21:36:32,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:36:32,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:36:32,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:36:32,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:36:32,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:36:32" (1/1) ... [2022-12-13 21:36:32,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:36:32" (1/1) ... [2022-12-13 21:36:32,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:36:32" (1/1) ... [2022-12-13 21:36:32,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:36:32" (1/1) ... [2022-12-13 21:36:32,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:36:32" (1/1) ... [2022-12-13 21:36:32,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:36:32" (1/1) ... [2022-12-13 21:36:32,273 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:36:32" (1/1) ... [2022-12-13 21:36:32,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:36:32" (1/1) ... [2022-12-13 21:36:32,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:36:32,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:36:32,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:36:32,278 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:36:32,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:36:32" (1/1) ... [2022-12-13 21:36:32,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:36:32,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_732c4d63-af57-4b13-bd58-a9f1d808ff4e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:36:32,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_732c4d63-af57-4b13-bd58-a9f1d808ff4e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:36:32,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_732c4d63-af57-4b13-bd58-a9f1d808ff4e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:36:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 21:36:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 21:36:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 21:36:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 21:36:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 21:36:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:36:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_mutex [2022-12-13 21:36:32,344 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_mutex [2022-12-13 21:36:32,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:36:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:36:32,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:36:32,346 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 21:36:32,444 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:36:32,445 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:36:32,598 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:36:32,606 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:36:32,606 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 21:36:32,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:36:32 BoogieIcfgContainer [2022-12-13 21:36:32,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:36:32,611 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:36:32,611 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:36:32,614 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:36:32,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:36:31" (1/3) ... [2022-12-13 21:36:32,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bcb9fb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:36:32, skipping insertion in model container [2022-12-13 21:36:32,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:36:32" (2/3) ... [2022-12-13 21:36:32,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bcb9fb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:36:32, skipping insertion in model container [2022-12-13 21:36:32,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:36:32" (3/3) ... [2022-12-13 21:36:32,616 INFO L112 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-1.i [2022-12-13 21:36:32,623 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 21:36:32,630 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:36:32,630 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-12-13 21:36:32,630 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 21:36:32,665 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-13 21:36:32,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 118 places, 121 transitions, 250 flow [2022-12-13 21:36:32,723 INFO L130 PetriNetUnfolder]: 7/120 cut-off events. [2022-12-13 21:36:32,723 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 21:36:32,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 120 events. 7/120 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 151 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2022-12-13 21:36:32,727 INFO L82 GeneralOperation]: Start removeDead. Operand has 118 places, 121 transitions, 250 flow [2022-12-13 21:36:32,730 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 102 places, 104 transitions, 214 flow [2022-12-13 21:36:32,732 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 21:36:32,740 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 104 transitions, 214 flow [2022-12-13 21:36:32,742 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 104 transitions, 214 flow [2022-12-13 21:36:32,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 102 places, 104 transitions, 214 flow [2022-12-13 21:36:32,759 INFO L130 PetriNetUnfolder]: 6/104 cut-off events. [2022-12-13 21:36:32,759 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 21:36:32,760 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 104 events. 6/104 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 146 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2022-12-13 21:36:32,761 INFO L119 LiptonReduction]: Number of co-enabled transitions 1782 [2022-12-13 21:36:34,527 INFO L134 LiptonReduction]: Checked pairs total: 4224 [2022-12-13 21:36:34,528 INFO L136 LiptonReduction]: Total number of compositions: 86 [2022-12-13 21:36:34,542 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:36:34,548 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@10234fef, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:36:34,549 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-12-13 21:36:34,550 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 21:36:34,550 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 21:36:34,550 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:36:34,551 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 21:36:34,551 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-12-13 21:36:34,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:36:34,555 INFO L85 PathProgramCache]: Analyzing trace with hash 419, now seen corresponding path program 1 times [2022-12-13 21:36:34,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:36:34,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473568880] [2022-12-13 21:36:34,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:36:34,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:36:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:36:34,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:36:34,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:36:34,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473568880] [2022-12-13 21:36:34,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473568880] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:36:34,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:36:34,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 21:36:34,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693168320] [2022-12-13 21:36:34,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:36:34,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 21:36:34,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:36:34,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 21:36:34,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 21:36:34,676 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 207 [2022-12-13 21:36:34,677 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 29 transitions, 64 flow. Second operand has 2 states, 2 states have (on average 111.5) internal successors, (223), 2 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:36:34,677 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:36:34,677 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 207 [2022-12-13 21:36:34,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:36:34,727 INFO L130 PetriNetUnfolder]: 57/161 cut-off events. [2022-12-13 21:36:34,727 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 21:36:34,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 282 conditions, 161 events. 57/161 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 617 event pairs, 42 based on Foata normal form. 1/135 useless extension candidates. Maximal degree in co-relation 270. Up to 116 conditions per place. [2022-12-13 21:36:34,728 INFO L137 encePairwiseOnDemand]: 204/207 looper letters, 17 selfloop transitions, 0 changer transitions 1/26 dead transitions. [2022-12-13 21:36:34,729 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 26 transitions, 94 flow [2022-12-13 21:36:34,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 21:36:34,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 21:36:34,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 243 transitions. [2022-12-13 21:36:34,738 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5869565217391305 [2022-12-13 21:36:34,739 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 243 transitions. [2022-12-13 21:36:34,739 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 243 transitions. [2022-12-13 21:36:34,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:36:34,742 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 243 transitions. [2022-12-13 21:36:34,744 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 121.5) internal successors, (243), 2 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:36:34,747 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:36:34,747 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:36:34,749 INFO L175 Difference]: Start difference. First operand has 31 places, 29 transitions, 64 flow. Second operand 2 states and 243 transitions. [2022-12-13 21:36:34,749 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 26 transitions, 94 flow [2022-12-13 21:36:34,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 26 transitions, 90 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 21:36:34,752 INFO L231 Difference]: Finished difference. Result has 27 places, 25 transitions, 51 flow [2022-12-13 21:36:34,753 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=51, PETRI_PLACES=27, PETRI_TRANSITIONS=25} [2022-12-13 21:36:34,756 INFO L288 CegarLoopForPetriNet]: 31 programPoint places, -4 predicate places. [2022-12-13 21:36:34,756 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 25 transitions, 51 flow [2022-12-13 21:36:34,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 111.5) internal successors, (223), 2 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:36:34,756 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:36:34,756 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 21:36:34,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 21:36:34,757 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-12-13 21:36:34,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:36:34,757 INFO L85 PathProgramCache]: Analyzing trace with hash -570660250, now seen corresponding path program 1 times [2022-12-13 21:36:34,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:36:34,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120525944] [2022-12-13 21:36:34,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:36:34,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:36:34,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:36:34,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:36:34,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:36:34,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120525944] [2022-12-13 21:36:34,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120525944] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:36:34,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:36:34,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:36:34,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628990061] [2022-12-13 21:36:34,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:36:34,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:36:34,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:36:34,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:36:34,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:36:34,848 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 207 [2022-12-13 21:36:34,849 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 25 transitions, 51 flow. Second operand has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:36:34,849 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:36:34,849 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 207 [2022-12-13 21:36:34,850 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:36:34,916 INFO L130 PetriNetUnfolder]: 136/295 cut-off events. [2022-12-13 21:36:34,916 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 21:36:34,917 INFO L83 FinitePrefix]: Finished finitePrefix Result has 578 conditions, 295 events. 136/295 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1114 event pairs, 42 based on Foata normal form. 0/257 useless extension candidates. Maximal degree in co-relation 575. Up to 155 conditions per place. [2022-12-13 21:36:34,918 INFO L137 encePairwiseOnDemand]: 199/207 looper letters, 36 selfloop transitions, 6 changer transitions 0/44 dead transitions. [2022-12-13 21:36:34,918 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 44 transitions, 173 flow [2022-12-13 21:36:34,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:36:34,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 21:36:34,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 341 transitions. [2022-12-13 21:36:34,921 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5491143317230274 [2022-12-13 21:36:34,921 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 341 transitions. [2022-12-13 21:36:34,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 341 transitions. [2022-12-13 21:36:34,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:36:34,921 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 341 transitions. [2022-12-13 21:36:34,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:36:34,923 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:36:34,924 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:36:34,924 INFO L175 Difference]: Start difference. First operand has 27 places, 25 transitions, 51 flow. Second operand 3 states and 341 transitions. [2022-12-13 21:36:34,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 44 transitions, 173 flow [2022-12-13 21:36:34,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 44 transitions, 173 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 21:36:34,925 INFO L231 Difference]: Finished difference. Result has 30 places, 31 transitions, 103 flow [2022-12-13 21:36:34,925 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=51, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=103, PETRI_PLACES=30, PETRI_TRANSITIONS=31} [2022-12-13 21:36:34,925 INFO L288 CegarLoopForPetriNet]: 31 programPoint places, -1 predicate places. [2022-12-13 21:36:34,926 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 31 transitions, 103 flow [2022-12-13 21:36:34,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:36:34,926 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:36:34,926 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:36:34,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 21:36:34,926 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-12-13 21:36:34,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:36:34,927 INFO L85 PathProgramCache]: Analyzing trace with hash -781331024, now seen corresponding path program 1 times [2022-12-13 21:36:34,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:36:34,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142916312] [2022-12-13 21:36:34,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:36:34,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:36:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:36:34,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:36:34,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:36:34,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142916312] [2022-12-13 21:36:34,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142916312] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:36:34,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:36:34,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:36:34,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399775514] [2022-12-13 21:36:34,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:36:34,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:36:34,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:36:34,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:36:34,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:36:35,003 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 207 [2022-12-13 21:36:35,004 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 31 transitions, 103 flow. Second operand has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:36:35,004 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:36:35,004 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 207 [2022-12-13 21:36:35,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:36:35,069 INFO L130 PetriNetUnfolder]: 127/284 cut-off events. [2022-12-13 21:36:35,069 INFO L131 PetriNetUnfolder]: For 73/73 co-relation queries the response was YES. [2022-12-13 21:36:35,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 678 conditions, 284 events. 127/284 cut-off events. For 73/73 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1073 event pairs, 62 based on Foata normal form. 0/247 useless extension candidates. Maximal degree in co-relation 673. Up to 230 conditions per place. [2022-12-13 21:36:35,070 INFO L137 encePairwiseOnDemand]: 202/207 looper letters, 28 selfloop transitions, 6 changer transitions 1/42 dead transitions. [2022-12-13 21:36:35,070 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 42 transitions, 205 flow [2022-12-13 21:36:35,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:36:35,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 21:36:35,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 331 transitions. [2022-12-13 21:36:35,072 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.533011272141707 [2022-12-13 21:36:35,072 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 331 transitions. [2022-12-13 21:36:35,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 331 transitions. [2022-12-13 21:36:35,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:36:35,072 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 331 transitions. [2022-12-13 21:36:35,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:36:35,074 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:36:35,074 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:36:35,074 INFO L175 Difference]: Start difference. First operand has 30 places, 31 transitions, 103 flow. Second operand 3 states and 331 transitions. [2022-12-13 21:36:35,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 42 transitions, 205 flow [2022-12-13 21:36:35,075 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 42 transitions, 189 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 21:36:35,076 INFO L231 Difference]: Finished difference. Result has 31 places, 35 transitions, 133 flow [2022-12-13 21:36:35,076 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=91, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=133, PETRI_PLACES=31, PETRI_TRANSITIONS=35} [2022-12-13 21:36:35,076 INFO L288 CegarLoopForPetriNet]: 31 programPoint places, 0 predicate places. [2022-12-13 21:36:35,076 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 35 transitions, 133 flow [2022-12-13 21:36:35,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:36:35,077 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:36:35,077 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:36:35,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 21:36:35,077 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-12-13 21:36:35,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:36:35,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1544000927, now seen corresponding path program 1 times [2022-12-13 21:36:35,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:36:35,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823707793] [2022-12-13 21:36:35,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:36:35,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:36:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:36:35,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:36:35,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:36:35,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823707793] [2022-12-13 21:36:35,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823707793] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:36:35,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:36:35,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:36:35,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53319875] [2022-12-13 21:36:35,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:36:35,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:36:35,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:36:35,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:36:35,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:36:35,129 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 207 [2022-12-13 21:36:35,130 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 35 transitions, 133 flow. Second operand has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:36:35,130 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:36:35,130 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 207 [2022-12-13 21:36:35,130 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:36:35,186 INFO L130 PetriNetUnfolder]: 138/295 cut-off events. [2022-12-13 21:36:35,186 INFO L131 PetriNetUnfolder]: For 123/128 co-relation queries the response was YES. [2022-12-13 21:36:35,187 INFO L83 FinitePrefix]: Finished finitePrefix Result has 750 conditions, 295 events. 138/295 cut-off events. For 123/128 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1077 event pairs, 59 based on Foata normal form. 0/253 useless extension candidates. Maximal degree in co-relation 744. Up to 247 conditions per place. [2022-12-13 21:36:35,189 INFO L137 encePairwiseOnDemand]: 202/207 looper letters, 29 selfloop transitions, 8 changer transitions 1/45 dead transitions. [2022-12-13 21:36:35,189 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 45 transitions, 243 flow [2022-12-13 21:36:35,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:36:35,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 21:36:35,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 333 transitions. [2022-12-13 21:36:35,190 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5362318840579711 [2022-12-13 21:36:35,190 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 333 transitions. [2022-12-13 21:36:35,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 333 transitions. [2022-12-13 21:36:35,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:36:35,191 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 333 transitions. [2022-12-13 21:36:35,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:36:35,192 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:36:35,193 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:36:35,193 INFO L175 Difference]: Start difference. First operand has 31 places, 35 transitions, 133 flow. Second operand 3 states and 333 transitions. [2022-12-13 21:36:35,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 45 transitions, 243 flow [2022-12-13 21:36:35,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 45 transitions, 235 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 21:36:35,194 INFO L231 Difference]: Finished difference. Result has 33 places, 39 transitions, 179 flow [2022-12-13 21:36:35,194 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=179, PETRI_PLACES=33, PETRI_TRANSITIONS=39} [2022-12-13 21:36:35,195 INFO L288 CegarLoopForPetriNet]: 31 programPoint places, 2 predicate places. [2022-12-13 21:36:35,195 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 39 transitions, 179 flow [2022-12-13 21:36:35,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:36:35,195 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:36:35,195 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:36:35,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 21:36:35,195 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-12-13 21:36:35,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:36:35,196 INFO L85 PathProgramCache]: Analyzing trace with hash 416825544, now seen corresponding path program 1 times [2022-12-13 21:36:35,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:36:35,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751103873] [2022-12-13 21:36:35,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:36:35,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:36:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:36:35,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:36:35,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:36:35,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751103873] [2022-12-13 21:36:35,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751103873] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:36:35,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:36:35,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:36:35,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896689094] [2022-12-13 21:36:35,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:36:35,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:36:35,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:36:35,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:36:35,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:36:35,276 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 207 [2022-12-13 21:36:35,277 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 39 transitions, 179 flow. Second operand has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:36:35,277 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:36:35,277 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 207 [2022-12-13 21:36:35,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:36:35,310 INFO L130 PetriNetUnfolder]: 28/77 cut-off events. [2022-12-13 21:36:35,310 INFO L131 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2022-12-13 21:36:35,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 195 conditions, 77 events. 28/77 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 217 event pairs, 4 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 188. Up to 45 conditions per place. [2022-12-13 21:36:35,311 INFO L137 encePairwiseOnDemand]: 203/207 looper letters, 0 selfloop transitions, 0 changer transitions 25/25 dead transitions. [2022-12-13 21:36:35,311 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 25 transitions, 123 flow [2022-12-13 21:36:35,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:36:35,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 21:36:35,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 341 transitions. [2022-12-13 21:36:35,312 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5491143317230274 [2022-12-13 21:36:35,313 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 341 transitions. [2022-12-13 21:36:35,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 341 transitions. [2022-12-13 21:36:35,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:36:35,313 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 341 transitions. [2022-12-13 21:36:35,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:36:35,316 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:36:35,316 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:36:35,316 INFO L175 Difference]: Start difference. First operand has 33 places, 39 transitions, 179 flow. Second operand 3 states and 341 transitions. [2022-12-13 21:36:35,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 25 transitions, 123 flow [2022-12-13 21:36:35,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 25 transitions, 93 flow, removed 6 selfloop flow, removed 7 redundant places. [2022-12-13 21:36:35,317 INFO L231 Difference]: Finished difference. Result has 24 places, 0 transitions, 0 flow [2022-12-13 21:36:35,317 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=43, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=24, PETRI_TRANSITIONS=0} [2022-12-13 21:36:35,318 INFO L288 CegarLoopForPetriNet]: 31 programPoint places, -7 predicate places. [2022-12-13 21:36:35,318 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 0 transitions, 0 flow [2022-12-13 21:36:35,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:36:35,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2022-12-13 21:36:35,321 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2022-12-13 21:36:35,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2022-12-13 21:36:35,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2022-12-13 21:36:35,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2022-12-13 21:36:35,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2022-12-13 21:36:35,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2022-12-13 21:36:35,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2022-12-13 21:36:35,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2022-12-13 21:36:35,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2022-12-13 21:36:35,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 21:36:35,323 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-13 21:36:35,328 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 21:36:35,328 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:36:35,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:36:35 BasicIcfg [2022-12-13 21:36:35,332 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:36:35,332 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:36:35,332 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:36:35,333 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:36:35,333 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:36:32" (3/4) ... [2022-12-13 21:36:35,335 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 21:36:35,341 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_function_mutex [2022-12-13 21:36:35,345 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-12-13 21:36:35,345 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 21:36:35,345 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 21:36:35,345 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 21:36:35,380 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_732c4d63-af57-4b13-bd58-a9f1d808ff4e/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 21:36:35,380 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:36:35,381 INFO L158 Benchmark]: Toolchain (without parser) took 3832.39ms. Allocated memory is still 130.0MB. Free memory was 93.6MB in the beginning and 46.8MB in the end (delta: 46.8MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2022-12-13 21:36:35,381 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 107.0MB. Free memory was 70.7MB in the beginning and 70.7MB in the end (delta: 29.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:36:35,381 INFO L158 Benchmark]: CACSL2BoogieTranslator took 662.95ms. Allocated memory is still 130.0MB. Free memory was 93.1MB in the beginning and 55.2MB in the end (delta: 37.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-12-13 21:36:35,382 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.67ms. Allocated memory is still 130.0MB. Free memory was 55.2MB in the beginning and 52.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:36:35,382 INFO L158 Benchmark]: Boogie Preprocessor took 23.18ms. Allocated memory is still 130.0MB. Free memory was 52.7MB in the beginning and 51.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:36:35,382 INFO L158 Benchmark]: RCFGBuilder took 330.51ms. Allocated memory is still 130.0MB. Free memory was 51.1MB in the beginning and 90.3MB in the end (delta: -39.3MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2022-12-13 21:36:35,383 INFO L158 Benchmark]: TraceAbstraction took 2721.08ms. Allocated memory is still 130.0MB. Free memory was 89.9MB in the beginning and 49.9MB in the end (delta: 40.0MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2022-12-13 21:36:35,383 INFO L158 Benchmark]: Witness Printer took 47.87ms. Allocated memory is still 130.0MB. Free memory was 49.9MB in the beginning and 46.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:36:35,385 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 107.0MB. Free memory was 70.7MB in the beginning and 70.7MB in the end (delta: 29.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 662.95ms. Allocated memory is still 130.0MB. Free memory was 93.1MB in the beginning and 55.2MB in the end (delta: 37.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.67ms. Allocated memory is still 130.0MB. Free memory was 55.2MB in the beginning and 52.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.18ms. Allocated memory is still 130.0MB. Free memory was 52.7MB in the beginning and 51.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 330.51ms. Allocated memory is still 130.0MB. Free memory was 51.1MB in the beginning and 90.3MB in the end (delta: -39.3MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2721.08ms. Allocated memory is still 130.0MB. Free memory was 89.9MB in the beginning and 49.9MB in the end (delta: 40.0MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. * Witness Printer took 47.87ms. Allocated memory is still 130.0MB. Free memory was 49.9MB in the beginning and 46.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.8s, 102 PlacesBefore, 31 PlacesAfterwards, 104 TransitionsBefore, 29 TransitionsAfterwards, 1782 CoEnabledTransitionPairs, 6 FixpointIterations, 40 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 5 ConcurrentYvCompositions, 4 ChoiceCompositions, 86 TotalNumberOfCompositions, 4224 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1881, independent: 1666, independent conditional: 0, independent unconditional: 1666, dependent: 215, dependent conditional: 0, dependent unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 946, independent: 916, independent conditional: 0, independent unconditional: 916, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1881, independent: 750, independent conditional: 0, independent unconditional: 750, dependent: 185, dependent conditional: 0, dependent unconditional: 185, unknown: 946, unknown conditional: 0, unknown unconditional: 946] , Statistics on independence cache: Total cache size (in pairs): 87, Positive cache size: 68, Positive conditional cache size: 0, Positive unconditional cache size: 68, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 1342]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1350]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1353]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1350]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1357]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1326]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1329]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 142 locations, 10 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 179 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 74 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 282 IncrementalHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 12 mSDtfsCounter, 282 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=179occurred in iteration=4, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 45 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 21:36:35,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_732c4d63-af57-4b13-bd58-a9f1d808ff4e/bin/uautomizer-uyxdKDjOR8/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