./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e72e5e96-4b0d-49da-aa1e-208ece3f9366/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e72e5e96-4b0d-49da-aa1e-208ece3f9366/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e72e5e96-4b0d-49da-aa1e-208ece3f9366/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e72e5e96-4b0d-49da-aa1e-208ece3f9366/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e72e5e96-4b0d-49da-aa1e-208ece3f9366/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e72e5e96-4b0d-49da-aa1e-208ece3f9366/bin/uautomizer-ZsLfNo2U6R --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 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 17:12:16,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:12:16,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:12:16,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:12:16,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:12:16,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:12:16,394 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:12:16,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:12:16,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:12:16,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:12:16,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:12:16,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:12:16,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:12:16,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:12:16,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:12:16,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:12:16,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:12:16,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:12:16,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:12:16,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:12:16,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:12:16,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:12:16,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:12:16,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:12:16,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:12:16,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:12:16,460 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:12:16,461 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:12:16,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:12:16,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:12:16,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:12:16,468 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:12:16,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:12:16,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:12:16,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:12:16,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:12:16,474 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:12:16,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:12:16,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:12:16,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:12:16,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:12:16,478 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e72e5e96-4b0d-49da-aa1e-208ece3f9366/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-25 17:12:16,522 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:12:16,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:12:16,523 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:12:16,524 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:12:16,525 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:12:16,525 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:12:16,526 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:12:16,526 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:12:16,526 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:12:16,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:12:16,528 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:12:16,528 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:12:16,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:12:16,529 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:12:16,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:12:16,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:12:16,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:12:16,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:12:16,530 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 17:12:16,530 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:12:16,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:12:16,531 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:12:16,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:12:16,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:12:16,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:12:16,532 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:12:16,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:12:16,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:12:16,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:12:16,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:12:16,534 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:12:16,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:12:16,534 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:12:16,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:12:16,535 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:12:16,535 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:12:16,535 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_e72e5e96-4b0d-49da-aa1e-208ece3f9366/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e72e5e96-4b0d-49da-aa1e-208ece3f9366/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a [2022-11-25 17:12:16,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:12:16,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:12:16,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:12:16,962 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:12:16,963 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:12:16,965 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e72e5e96-4b0d-49da-aa1e-208ece3f9366/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2022-11-25 17:12:20,307 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:12:20,655 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:12:20,656 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e72e5e96-4b0d-49da-aa1e-208ece3f9366/sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2022-11-25 17:12:20,678 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e72e5e96-4b0d-49da-aa1e-208ece3f9366/bin/uautomizer-ZsLfNo2U6R/data/8e4af8702/8cafa6e3f9af4f2884d5105ea44f55da/FLAGf540c6169 [2022-11-25 17:12:20,696 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e72e5e96-4b0d-49da-aa1e-208ece3f9366/bin/uautomizer-ZsLfNo2U6R/data/8e4af8702/8cafa6e3f9af4f2884d5105ea44f55da [2022-11-25 17:12:20,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:12:20,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:12:20,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:12:20,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:12:20,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:12:20,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:12:20" (1/1) ... [2022-11-25 17:12:20,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f189998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:20, skipping insertion in model container [2022-11-25 17:12:20,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:12:20" (1/1) ... [2022-11-25 17:12:20,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:12:20,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:12:21,589 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 17:12:21,596 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 17:12:21,599 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 17:12:21,604 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 17:12:21,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:12:21,693 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:12:21,758 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 17:12:21,759 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 17:12:21,760 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 17:12:21,761 WARN L1576 CHandler]: Possible shadowing of function new [2022-11-25 17:12:21,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:12:21,895 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:12:21,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:21 WrapperNode [2022-11-25 17:12:21,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:12:21,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:12:21,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:12:21,898 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:12:21,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:21" (1/1) ... [2022-11-25 17:12:21,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:21" (1/1) ... [2022-11-25 17:12:22,031 INFO L138 Inliner]: procedures = 273, calls = 38, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 256 [2022-11-25 17:12:22,032 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:12:22,032 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:12:22,032 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:12:22,033 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:12:22,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:21" (1/1) ... [2022-11-25 17:12:22,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:21" (1/1) ... [2022-11-25 17:12:22,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:21" (1/1) ... [2022-11-25 17:12:22,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:21" (1/1) ... [2022-11-25 17:12:22,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:21" (1/1) ... [2022-11-25 17:12:22,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:21" (1/1) ... [2022-11-25 17:12:22,140 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:21" (1/1) ... [2022-11-25 17:12:22,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:21" (1/1) ... [2022-11-25 17:12:22,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:12:22,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:12:22,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:12:22,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:12:22,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:21" (1/1) ... [2022-11-25 17:12:22,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:12:22,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e72e5e96-4b0d-49da-aa1e-208ece3f9366/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:12:22,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e72e5e96-4b0d-49da-aa1e-208ece3f9366/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:12:22,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e72e5e96-4b0d-49da-aa1e-208ece3f9366/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:12:22,261 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-11-25 17:12:22,262 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-11-25 17:12:22,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:12:22,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 17:12:22,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:12:22,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 17:12:22,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:12:22,263 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-25 17:12:22,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 17:12:22,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:12:22,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 17:12:22,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:12:22,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:12:22,267 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 17:12:22,501 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:12:22,504 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:12:23,428 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:12:23,454 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:12:23,454 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-25 17:12:23,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:12:23 BoogieIcfgContainer [2022-11-25 17:12:23,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:12:23,460 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:12:23,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:12:23,465 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:12:23,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:12:20" (1/3) ... [2022-11-25 17:12:23,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1882128b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:12:23, skipping insertion in model container [2022-11-25 17:12:23,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:12:21" (2/3) ... [2022-11-25 17:12:23,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1882128b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:12:23, skipping insertion in model container [2022-11-25 17:12:23,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:12:23" (3/3) ... [2022-11-25 17:12:23,476 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_24-evilcollapse_nr.i [2022-11-25 17:12:23,487 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 17:12:23,501 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:12:23,502 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-11-25 17:12:23,502 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 17:12:23,664 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-25 17:12:23,728 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 363 places, 373 transitions, 756 flow [2022-11-25 17:12:23,912 INFO L130 PetriNetUnfolder]: 17/371 cut-off events. [2022-11-25 17:12:23,912 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 17:12:23,925 INFO L83 FinitePrefix]: Finished finitePrefix Result has 378 conditions, 371 events. 17/371 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 786 event pairs, 0 based on Foata normal form. 0/334 useless extension candidates. Maximal degree in co-relation 294. Up to 2 conditions per place. [2022-11-25 17:12:23,926 INFO L82 GeneralOperation]: Start removeDead. Operand has 363 places, 373 transitions, 756 flow [2022-11-25 17:12:23,944 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 361 places, 371 transitions, 748 flow [2022-11-25 17:12:23,952 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 17:12:23,984 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 361 places, 371 transitions, 748 flow [2022-11-25 17:12:23,990 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 361 places, 371 transitions, 748 flow [2022-11-25 17:12:23,991 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 361 places, 371 transitions, 748 flow [2022-11-25 17:12:24,114 INFO L130 PetriNetUnfolder]: 17/371 cut-off events. [2022-11-25 17:12:24,115 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 17:12:24,118 INFO L83 FinitePrefix]: Finished finitePrefix Result has 378 conditions, 371 events. 17/371 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 784 event pairs, 0 based on Foata normal form. 0/334 useless extension candidates. Maximal degree in co-relation 294. Up to 2 conditions per place. [2022-11-25 17:12:24,126 INFO L119 LiptonReduction]: Number of co-enabled transitions 12784 [2022-11-25 17:13:01,458 WARN L233 SmtUtils]: Spent 5.41s on a formula simplification. DAG size of input: 110 DAG size of output: 108 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:13:18,260 WARN L233 SmtUtils]: Spent 10.37s on a formula simplification that was a NOOP. DAG size: 137 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:13:26,157 WARN L233 SmtUtils]: Spent 7.90s on a formula simplification that was a NOOP. DAG size: 131 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:13:34,670 WARN L233 SmtUtils]: Spent 8.51s on a formula simplification that was a NOOP. DAG size: 137 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:13:43,449 WARN L233 SmtUtils]: Spent 8.78s on a formula simplification that was a NOOP. DAG size: 131 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:13:51,884 WARN L233 SmtUtils]: Spent 7.54s on a formula simplification. DAG size of input: 101 DAG size of output: 99 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:14:00,308 WARN L233 SmtUtils]: Spent 6.28s on a formula simplification. DAG size of input: 101 DAG size of output: 99 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:15:31,407 WARN L233 SmtUtils]: Spent 1.49m on a formula simplification. DAG size of input: 213 DAG size of output: 205 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:16:06,774 WARN L233 SmtUtils]: Spent 35.36s on a formula simplification that was a NOOP. DAG size: 193 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:17:53,724 WARN L233 SmtUtils]: Spent 1.78m on a formula simplification. DAG size of input: 213 DAG size of output: 205 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:18:30,187 WARN L233 SmtUtils]: Spent 36.46s on a formula simplification that was a NOOP. DAG size: 193 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:21:22,959 WARN L233 SmtUtils]: Spent 2.82m on a formula simplification that was a NOOP. DAG size: 262 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:23:49,439 WARN L233 SmtUtils]: Spent 2.44m on a formula simplification that was a NOOP. DAG size: 252 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-25 17:26:27,376 WARN L233 SmtUtils]: Spent 2.63m on a formula simplification that was a NOOP. DAG size: 262 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)