./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 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_2173305b-c97c-4113-900b-cc11cdfc20f5/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2173305b-c97c-4113-900b-cc11cdfc20f5/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2173305b-c97c-4113-900b-cc11cdfc20f5/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2173305b-c97c-4113-900b-cc11cdfc20f5/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2173305b-c97c-4113-900b-cc11cdfc20f5/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2173305b-c97c-4113-900b-cc11cdfc20f5/bin/utaipan-gh47qXpMRh --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 dad265ed8a17f32bb0a174302dfe188f9a15f60b81cc9c28a67851ab05270da2 --- 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 [2022-12-14 06:09:36,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:09:36,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:09:36,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:09:36,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:09:36,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:09:36,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:09:36,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:09:36,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:09:36,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:09:36,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:09:36,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:09:36,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:09:36,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:09:36,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:09:36,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:09:36,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:09:36,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:09:36,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:09:36,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:09:36,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:09:36,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:09:36,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:09:36,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:09:36,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:09:36,080 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:09:36,080 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:09:36,080 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:09:36,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:09:36,081 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:09:36,082 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:09:36,082 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:09:36,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:09:36,083 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:09:36,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:09:36,084 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:09:36,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:09:36,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:09:36,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:09:36,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:09:36,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:09:36,087 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2173305b-c97c-4113-900b-cc11cdfc20f5/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 06:09:36,115 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:09:36,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:09:36,121 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:09:36,121 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:09:36,122 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:09:36,122 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:09:36,122 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:09:36,122 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:09:36,122 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:09:36,122 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 06:09:36,123 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:09:36,123 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:09:36,123 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 06:09:36,123 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 06:09:36,123 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:09:36,123 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 06:09:36,124 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 06:09:36,124 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 06:09:36,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:09:36,125 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 06:09:36,125 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 06:09:36,125 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:09:36,125 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 06:09:36,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:09:36,125 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:09:36,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:09:36,126 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:09:36,126 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 06:09:36,126 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 06:09:36,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:09:36,126 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:09:36,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:09:36,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:09:36,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:09:36,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:09:36,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:09:36,127 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 06:09:36,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:09:36,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:09:36,128 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 06:09:36,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 06:09:36,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:09:36,128 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:09:36,128 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_2173305b-c97c-4113-900b-cc11cdfc20f5/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2173305b-c97c-4113-900b-cc11cdfc20f5/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dad265ed8a17f32bb0a174302dfe188f9a15f60b81cc9c28a67851ab05270da2 [2022-12-14 06:09:36,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:09:36,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:09:36,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:09:36,329 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:09:36,329 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:09:36,330 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2173305b-c97c-4113-900b-cc11cdfc20f5/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2022-12-14 06:09:38,969 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:09:39,157 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:09:39,158 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2173305b-c97c-4113-900b-cc11cdfc20f5/sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2022-12-14 06:09:39,178 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2173305b-c97c-4113-900b-cc11cdfc20f5/bin/utaipan-gh47qXpMRh/data/1263e7b4f/8fb6033570e946db8e2c9e3585dce304/FLAGc59357da3 [2022-12-14 06:09:39,191 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2173305b-c97c-4113-900b-cc11cdfc20f5/bin/utaipan-gh47qXpMRh/data/1263e7b4f/8fb6033570e946db8e2c9e3585dce304 [2022-12-14 06:09:39,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:09:39,195 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:09:39,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:09:39,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:09:39,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:09:39,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:09:39" (1/1) ... [2022-12-14 06:09:39,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45a5bcc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:39, skipping insertion in model container [2022-12-14 06:09:39,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:09:39" (1/1) ... [2022-12-14 06:09:39,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:09:39,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:09:39,586 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_2173305b-c97c-4113-900b-cc11cdfc20f5/sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i[47038,47051] [2022-12-14 06:09:39,601 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 06:09:39,602 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 06:09:39,603 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 06:09:39,604 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 06:09:39,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:09:39,649 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:09:39,685 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_2173305b-c97c-4113-900b-cc11cdfc20f5/sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i[47038,47051] [2022-12-14 06:09:39,691 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 06:09:39,692 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 06:09:39,693 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 06:09:39,694 WARN L1576 CHandler]: Possible shadowing of function new [2022-12-14 06:09:39,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:09:39,750 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:09:39,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:39 WrapperNode [2022-12-14 06:09:39,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:09:39,752 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:09:39,752 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:09:39,752 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:09:39,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:39" (1/1) ... [2022-12-14 06:09:39,776 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:39" (1/1) ... [2022-12-14 06:09:39,811 INFO L138 Inliner]: procedures = 279, calls = 51, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 345 [2022-12-14 06:09:39,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:09:39,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:09:39,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:09:39,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:09:39,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:39" (1/1) ... [2022-12-14 06:09:39,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:39" (1/1) ... [2022-12-14 06:09:39,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:39" (1/1) ... [2022-12-14 06:09:39,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:39" (1/1) ... [2022-12-14 06:09:39,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:39" (1/1) ... [2022-12-14 06:09:39,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:39" (1/1) ... [2022-12-14 06:09:39,860 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:39" (1/1) ... [2022-12-14 06:09:39,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:39" (1/1) ... [2022-12-14 06:09:39,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:09:39,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:09:39,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:09:39,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:09:39,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:39" (1/1) ... [2022-12-14 06:09:39,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:09:39,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2173305b-c97c-4113-900b-cc11cdfc20f5/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:09:39,896 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2173305b-c97c-4113-900b-cc11cdfc20f5/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:09:39,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2173305b-c97c-4113-900b-cc11cdfc20f5/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:09:39,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 06:09:39,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 06:09:39,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 06:09:39,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 06:09:39,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 06:09:39,929 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 06:09:39,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 06:09:39,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 06:09:39,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 06:09:39,930 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-14 06:09:39,930 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-14 06:09:39,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 06:09:39,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:09:39,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:09:39,932 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 06:09:40,056 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:09:40,057 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:09:40,492 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:09:40,500 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:09:40,501 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-12-14 06:09:40,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:09:40 BoogieIcfgContainer [2022-12-14 06:09:40,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:09:40,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:09:40,504 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:09:40,506 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:09:40,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:09:39" (1/3) ... [2022-12-14 06:09:40,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e09cfef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:09:40, skipping insertion in model container [2022-12-14 06:09:40,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:09:39" (2/3) ... [2022-12-14 06:09:40,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e09cfef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:09:40, skipping insertion in model container [2022-12-14 06:09:40,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:09:40" (3/3) ... [2022-12-14 06:09:40,508 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_93-evilcollapse_racefree.i [2022-12-14 06:09:40,514 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 06:09:40,522 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:09:40,522 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-12-14 06:09:40,522 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 06:09:40,590 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-14 06:09:40,626 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 06:09:40,640 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 373 places, 397 transitions, 802 flow [2022-12-14 06:09:40,643 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 373 places, 397 transitions, 802 flow [2022-12-14 06:09:40,644 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 373 places, 397 transitions, 802 flow [2022-12-14 06:09:40,759 INFO L130 PetriNetUnfolder]: 29/420 cut-off events. [2022-12-14 06:09:40,759 INFO L131 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2022-12-14 06:09:40,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 426 conditions, 420 events. 29/420 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1046 event pairs, 0 based on Foata normal form. 0/367 useless extension candidates. Maximal degree in co-relation 251. Up to 4 conditions per place. [2022-12-14 06:09:40,771 INFO L119 LiptonReduction]: Number of co-enabled transitions 7772 [2022-12-14 06:10:22,165 WARN L233 SmtUtils]: Spent 19.70s on a formula simplification. DAG size of input: 127 DAG size of output: 123 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:10:27,277 WARN L233 SmtUtils]: Spent 5.11s on a formula simplification that was a NOOP. DAG size: 111 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:10:47,737 WARN L233 SmtUtils]: Spent 20.46s on a formula simplification. DAG size of input: 127 DAG size of output: 123 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:10:53,224 WARN L233 SmtUtils]: Spent 5.49s on a formula simplification that was a NOOP. DAG size: 111 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:11:44,764 WARN L233 SmtUtils]: Spent 33.25s on a formula simplification that was a NOOP. DAG size: 175 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:12:15,512 WARN L233 SmtUtils]: Spent 30.75s on a formula simplification that was a NOOP. DAG size: 169 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:12:44,966 WARN L233 SmtUtils]: Spent 29.45s on a formula simplification that was a NOOP. DAG size: 175 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:13:10,540 WARN L233 SmtUtils]: Spent 25.57s on a formula simplification that was a NOOP. DAG size: 169 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:18:14,812 WARN L233 SmtUtils]: Spent 5.07m on a formula simplification. DAG size of input: 267 DAG size of output: 261 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:20:30,473 WARN L233 SmtUtils]: Spent 2.26m on a formula simplification that was a NOOP. DAG size: 253 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 06:24:44,357 WARN L233 SmtUtils]: Spent 4.23m on a formula simplification. DAG size of input: 267 DAG size of output: 261 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)