./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a 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_2a4dd7b1-7f9b-4e64-8be3-2d11e8b087c6/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4dd7b1-7f9b-4e64-8be3-2d11e8b087c6/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4dd7b1-7f9b-4e64-8be3-2d11e8b087c6/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4dd7b1-7f9b-4e64-8be3-2d11e8b087c6/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4dd7b1-7f9b-4e64-8be3-2d11e8b087c6/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4dd7b1-7f9b-4e64-8be3-2d11e8b087c6/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a0270befea30c9963adb19613f3074c8c29d9100e1f0592dc0c89cf3d3dda0df --- 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-5e519f3 [2022-11-03 01:40:27,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:40:27,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:40:27,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:40:27,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:40:27,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:40:27,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:40:27,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:40:27,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:40:27,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:40:27,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:40:27,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:40:27,527 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:40:27,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:40:27,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:40:27,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:40:27,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:40:27,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:40:27,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:40:27,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:40:27,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:40:27,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:40:27,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:40:27,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:40:27,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:40:27,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:40:27,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:40:27,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:40:27,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:40:27,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:40:27,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:40:27,555 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:40:27,556 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:40:27,557 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:40:27,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:40:27,559 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:40:27,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:40:27,560 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:40:27,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:40:27,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:40:27,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:40:27,564 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4dd7b1-7f9b-4e64-8be3-2d11e8b087c6/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-03 01:40:27,592 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:40:27,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:40:27,593 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:40:27,593 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:40:27,594 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:40:27,595 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:40:27,595 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:40:27,595 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:40:27,596 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:40:27,596 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:40:27,596 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:40:27,597 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:40:27,597 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:40:27,597 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:40:27,597 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:40:27,598 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:40:27,598 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:40:27,598 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:40:27,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:40:27,600 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 01:40:27,600 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 01:40:27,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:40:27,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 01:40:27,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:40:27,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:40:27,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:40:27,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:40:27,602 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 01:40:27,602 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 01:40:27,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:40:27,602 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:40:27,603 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:40:27,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:40:27,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:40:27,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:40:27,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:40:27,604 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:40:27,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:40:27,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:40:27,605 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:40:27,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:40:27,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:40:27,605 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:40:27,606 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4dd7b1-7f9b-4e64-8be3-2d11e8b087c6/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4dd7b1-7f9b-4e64-8be3-2d11e8b087c6/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0270befea30c9963adb19613f3074c8c29d9100e1f0592dc0c89cf3d3dda0df [2022-11-03 01:40:27,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:40:27,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:40:27,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:40:27,922 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:40:27,923 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:40:27,925 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4dd7b1-7f9b-4e64-8be3-2d11e8b087c6/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i [2022-11-03 01:40:28,040 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4dd7b1-7f9b-4e64-8be3-2d11e8b087c6/bin/utaipan-7li7fVZpFI/data/166695b56/a6057d0534c64f968f9273f57986affa/FLAGef245e7ae [2022-11-03 01:40:28,873 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:40:28,874 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4dd7b1-7f9b-4e64-8be3-2d11e8b087c6/sv-benchmarks/c/goblint-regression/09-regions_22-nocollapse.i [2022-11-03 01:40:28,902 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4dd7b1-7f9b-4e64-8be3-2d11e8b087c6/bin/utaipan-7li7fVZpFI/data/166695b56/a6057d0534c64f968f9273f57986affa/FLAGef245e7ae [2022-11-03 01:40:29,046 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4dd7b1-7f9b-4e64-8be3-2d11e8b087c6/bin/utaipan-7li7fVZpFI/data/166695b56/a6057d0534c64f968f9273f57986affa [2022-11-03 01:40:29,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:40:29,054 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:40:29,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:40:29,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:40:29,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:40:29,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:40:29" (1/1) ... [2022-11-03 01:40:29,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33f2bd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:40:29, skipping insertion in model container [2022-11-03 01:40:29,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:40:29" (1/1) ... [2022-11-03 01:40:29,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:40:29,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:40:29,752 WARN L1543 CHandler]: Possible shadowing of function new [2022-11-03 01:40:29,753 WARN L1543 CHandler]: Possible shadowing of function new [2022-11-03 01:40:29,755 WARN L1543 CHandler]: Possible shadowing of function new [2022-11-03 01:40:29,756 WARN L1543 CHandler]: Possible shadowing of function new [2022-11-03 01:40:29,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:40:29,795 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:40:29,864 WARN L1543 CHandler]: Possible shadowing of function new [2022-11-03 01:40:29,865 WARN L1543 CHandler]: Possible shadowing of function new [2022-11-03 01:40:29,866 WARN L1543 CHandler]: Possible shadowing of function new [2022-11-03 01:40:29,867 WARN L1543 CHandler]: Possible shadowing of function new [2022-11-03 01:40:29,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:40:29,965 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:40:29,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:40:29 WrapperNode [2022-11-03 01:40:29,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:40:29,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:40:29,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:40:29,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:40:29,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:40:29" (1/1) ... [2022-11-03 01:40:30,007 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:40:29" (1/1) ... [2022-11-03 01:40:30,045 INFO L138 Inliner]: procedures = 272, calls = 35, calls flagged for inlining = 9, calls inlined = 8, statements flattened = 217 [2022-11-03 01:40:30,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:40:30,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:40:30,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:40:30,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:40:30,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:40:29" (1/1) ... [2022-11-03 01:40:30,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:40:29" (1/1) ... [2022-11-03 01:40:30,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:40:29" (1/1) ... [2022-11-03 01:40:30,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:40:29" (1/1) ... [2022-11-03 01:40:30,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:40:29" (1/1) ... [2022-11-03 01:40:30,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:40:29" (1/1) ... [2022-11-03 01:40:30,096 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:40:29" (1/1) ... [2022-11-03 01:40:30,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:40:29" (1/1) ... [2022-11-03 01:40:30,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:40:30,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:40:30,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:40:30,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:40:30,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:40:29" (1/1) ... [2022-11-03 01:40:30,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:40:30,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4dd7b1-7f9b-4e64-8be3-2d11e8b087c6/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:40:30,145 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4dd7b1-7f9b-4e64-8be3-2d11e8b087c6/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:40:30,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a4dd7b1-7f9b-4e64-8be3-2d11e8b087c6/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:40:30,238 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-11-03 01:40:30,239 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-11-03 01:40:30,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:40:30,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:40:30,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:40:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:40:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:40:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-03 01:40:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:40:30,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:40:30,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:40:30,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:40:30,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:40:30,243 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-03 01:40:30,453 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:40:30,461 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:40:31,191 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:40:31,201 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:40:31,202 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-03 01:40:31,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:40:31 BoogieIcfgContainer [2022-11-03 01:40:31,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:40:31,218 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:40:31,219 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:40:31,225 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:40:31,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:40:29" (1/3) ... [2022-11-03 01:40:31,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@780f4323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:40:31, skipping insertion in model container [2022-11-03 01:40:31,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:40:29" (2/3) ... [2022-11-03 01:40:31,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@780f4323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:40:31, skipping insertion in model container [2022-11-03 01:40:31,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:40:31" (3/3) ... [2022-11-03 01:40:31,230 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_22-nocollapse.i [2022-11-03 01:40:31,241 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 01:40:31,253 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:40:31,254 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-11-03 01:40:31,254 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-03 01:40:31,492 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-03 01:40:31,575 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 01:40:31,606 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 311 places, 319 transitions, 648 flow [2022-11-03 01:40:31,615 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 311 places, 319 transitions, 648 flow [2022-11-03 01:40:31,618 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 311 places, 319 transitions, 648 flow [2022-11-03 01:40:31,847 INFO L130 PetriNetUnfolder]: 15/317 cut-off events. [2022-11-03 01:40:31,847 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-03 01:40:31,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 324 conditions, 317 events. 15/317 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 591 event pairs, 0 based on Foata normal form. 0/284 useless extension candidates. Maximal degree in co-relation 240. Up to 2 conditions per place. [2022-11-03 01:40:31,871 INFO L118 LiptonReduction]: Number of co-enabled transitions 12784 [2022-11-03 01:41:43,073 WARN L234 SmtUtils]: Spent 13.96s on a formula simplification. DAG size of input: 121 DAG size of output: 113 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 01:41:59,479 WARN L234 SmtUtils]: Spent 13.00s on a formula simplification. DAG size of input: 121 DAG size of output: 113 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 01:42:39,774 WARN L234 SmtUtils]: Spent 22.91s on a formula simplification. DAG size of input: 144 DAG size of output: 135 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 01:42:50,191 WARN L234 SmtUtils]: Spent 10.41s on a formula simplification that was a NOOP. DAG size: 129 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 01:43:10,851 WARN L234 SmtUtils]: Spent 20.66s on a formula simplification. DAG size of input: 144 DAG size of output: 135 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 01:43:19,856 WARN L234 SmtUtils]: Spent 9.00s on a formula simplification that was a NOOP. DAG size: 129 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 01:45:46,378 WARN L234 SmtUtils]: Spent 2.44m on a formula simplification. DAG size of input: 209 DAG size of output: 205 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 01:46:26,954 WARN L234 SmtUtils]: Spent 40.57s 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) [2022-11-03 01:48:24,077 WARN L234 SmtUtils]: Spent 1.95m on a formula simplification. DAG size of input: 209 DAG size of output: 205 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 01:49:34,721 WARN L234 SmtUtils]: Spent 1.18m 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) [2022-11-03 01:54:20,315 WARN L234 SmtUtils]: Spent 4.76m on a formula simplification. DAG size of input: 271 DAG size of output: 262 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)