./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4e7fbc69 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_c4989a8a-d15e-418a-b3f8-43eda785feff/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4989a8a-d15e-418a-b3f8-43eda785feff/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4989a8a-d15e-418a-b3f8-43eda785feff/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4989a8a-d15e-418a-b3f8-43eda785feff/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4989a8a-d15e-418a-b3f8-43eda785feff/bin/utaipan-Q6hlc19bkW/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4989a8a-d15e-418a-b3f8-43eda785feff/bin/utaipan-Q6hlc19bkW --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 dda5467f7679a243042daf02aae11f74f39b907c2525dfc042cb8ad8b69dcfc9 --- 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-4e7fbc6 [2022-11-23 14:42:36,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:42:36,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:42:36,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:42:36,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:42:36,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:42:36,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:42:36,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:42:36,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:42:36,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:42:36,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:42:36,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:42:36,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:42:36,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:42:36,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:42:36,348 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:42:36,349 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:42:36,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:42:36,352 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:42:36,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:42:36,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:42:36,364 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:42:36,368 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:42:36,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:42:36,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:42:36,377 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:42:36,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:42:36,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:42:36,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:42:36,381 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:42:36,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:42:36,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:42:36,385 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:42:36,386 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:42:36,387 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:42:36,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:42:36,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:42:36,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:42:36,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:42:36,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:42:36,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:42:36,394 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4989a8a-d15e-418a-b3f8-43eda785feff/bin/utaipan-Q6hlc19bkW/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-23 14:42:36,429 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:42:36,429 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:42:36,430 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:42:36,430 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:42:36,431 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:42:36,431 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:42:36,431 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:42:36,432 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:42:36,432 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:42:36,432 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:42:36,433 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:42:36,433 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:42:36,434 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:42:36,434 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:42:36,434 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:42:36,434 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:42:36,434 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:42:36,435 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:42:36,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:42:36,436 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:42:36,436 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 14:42:36,436 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:42:36,436 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:42:36,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:42:36,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:42:36,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:42:36,437 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:42:36,437 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-23 14:42:36,438 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:42:36,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:42:36,438 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:42:36,438 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:42:36,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:42:36,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:42:36,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:42:36,439 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:42:36,440 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:42:36,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:42:36,441 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:42:36,441 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:42:36,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:42:36,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:42:36,441 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:42:36,442 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_c4989a8a-d15e-418a-b3f8-43eda785feff/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4989a8a-d15e-418a-b3f8-43eda785feff/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dda5467f7679a243042daf02aae11f74f39b907c2525dfc042cb8ad8b69dcfc9 [2022-11-23 14:42:36,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:42:36,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:42:36,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:42:36,794 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:42:36,795 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:42:36,796 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4989a8a-d15e-418a-b3f8-43eda785feff/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2022-11-23 14:42:39,890 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:42:40,326 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:42:40,327 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4989a8a-d15e-418a-b3f8-43eda785feff/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2022-11-23 14:42:40,350 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4989a8a-d15e-418a-b3f8-43eda785feff/bin/utaipan-Q6hlc19bkW/data/97eee2f7c/9ee5ccf4ed5948f48208b2c7fd4686c4/FLAG3b4ca12f0 [2022-11-23 14:42:40,371 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4989a8a-d15e-418a-b3f8-43eda785feff/bin/utaipan-Q6hlc19bkW/data/97eee2f7c/9ee5ccf4ed5948f48208b2c7fd4686c4 [2022-11-23 14:42:40,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:42:40,379 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:42:40,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:42:40,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:42:40,387 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:42:40,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:42:40" (1/1) ... [2022-11-23 14:42:40,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47d58773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:40, skipping insertion in model container [2022-11-23 14:42:40,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:42:40" (1/1) ... [2022-11-23 14:42:40,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:42:40,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:42:41,041 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_c4989a8a-d15e-418a-b3f8-43eda785feff/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i[47038,47051] [2022-11-23 14:42:41,074 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-23 14:42:41,076 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-23 14:42:41,080 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-23 14:42:41,082 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-23 14:42:41,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:42:41,132 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:42:41,167 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_c4989a8a-d15e-418a-b3f8-43eda785feff/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i[47038,47051] [2022-11-23 14:42:41,173 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-23 14:42:41,174 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-23 14:42:41,175 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-23 14:42:41,176 WARN L1569 CHandler]: Possible shadowing of function new [2022-11-23 14:42:41,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:42:41,252 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:42:41,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:41 WrapperNode [2022-11-23 14:42:41,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:42:41,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:42:41,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:42:41,255 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:42:41,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:41" (1/1) ... [2022-11-23 14:42:41,298 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:41" (1/1) ... [2022-11-23 14:42:41,377 INFO L138 Inliner]: procedures = 278, calls = 51, calls flagged for inlining = 11, calls inlined = 12, statements flattened = 355 [2022-11-23 14:42:41,378 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:42:41,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:42:41,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:42:41,383 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:42:41,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:41" (1/1) ... [2022-11-23 14:42:41,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:41" (1/1) ... [2022-11-23 14:42:41,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:41" (1/1) ... [2022-11-23 14:42:41,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:41" (1/1) ... [2022-11-23 14:42:41,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:41" (1/1) ... [2022-11-23 14:42:41,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:41" (1/1) ... [2022-11-23 14:42:41,469 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:41" (1/1) ... [2022-11-23 14:42:41,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:41" (1/1) ... [2022-11-23 14:42:41,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:42:41,477 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:42:41,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:42:41,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:42:41,478 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:41" (1/1) ... [2022-11-23 14:42:41,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:42:41,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4989a8a-d15e-418a-b3f8-43eda785feff/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:42:41,514 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4989a8a-d15e-418a-b3f8-43eda785feff/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:42:41,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4989a8a-d15e-418a-b3f8-43eda785feff/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:42:41,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:42:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 14:42:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:42:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:42:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:42:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-23 14:42:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 14:42:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:42:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:42:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-23 14:42:41,577 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-23 14:42:41,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:42:41,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:42:41,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:42:41,580 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 14:42:41,846 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:42:41,848 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:42:42,652 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:42:42,666 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:42:42,666 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-11-23 14:42:42,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:42:42 BoogieIcfgContainer [2022-11-23 14:42:42,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:42:42,672 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:42:42,672 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:42:42,676 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:42:42,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:42:40" (1/3) ... [2022-11-23 14:42:42,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@726693eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:42:42, skipping insertion in model container [2022-11-23 14:42:42,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:42:41" (2/3) ... [2022-11-23 14:42:42,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@726693eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:42:42, skipping insertion in model container [2022-11-23 14:42:42,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:42:42" (3/3) ... [2022-11-23 14:42:42,679 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_92-evilcollapse_racing.i [2022-11-23 14:42:42,689 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 14:42:42,700 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:42:42,701 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2022-11-23 14:42:42,701 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 14:42:42,815 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-23 14:42:42,875 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 14:42:42,904 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 385 places, 408 transitions, 824 flow [2022-11-23 14:42:42,909 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 385 places, 408 transitions, 824 flow [2022-11-23 14:42:42,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 385 places, 408 transitions, 824 flow [2022-11-23 14:42:43,233 INFO L130 PetriNetUnfolder]: 28/431 cut-off events. [2022-11-23 14:42:43,237 INFO L131 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2022-11-23 14:42:43,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 437 conditions, 431 events. 28/431 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 920 event pairs, 0 based on Foata normal form. 0/377 useless extension candidates. Maximal degree in co-relation 262. Up to 4 conditions per place. [2022-11-23 14:42:43,254 INFO L119 LiptonReduction]: Number of co-enabled transitions 7772 [2022-11-23 14:43:35,057 WARN L233 SmtUtils]: Spent 7.28s on a formula simplification that was a NOOP. DAG size: 117 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 14:43:44,541 WARN L233 SmtUtils]: Spent 6.65s on a formula simplification that was a NOOP. DAG size: 117 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 14:43:58,956 WARN L233 SmtUtils]: Spent 5.45s 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) [2022-11-23 14:44:38,868 WARN L233 SmtUtils]: Spent 33.51s on a formula simplification. DAG size of input: 141 DAG size of output: 132 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 14:44:49,863 WARN L233 SmtUtils]: Spent 10.99s on a formula simplification that was a NOOP. DAG size: 126 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 14:45:19,416 WARN L233 SmtUtils]: Spent 29.55s on a formula simplification. DAG size of input: 141 DAG size of output: 132 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 14:45:31,473 WARN L233 SmtUtils]: Spent 12.06s on a formula simplification that was a NOOP. DAG size: 126 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 14:45:51,358 WARN L233 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 124 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 14:47:41,756 WARN L233 SmtUtils]: Spent 1.78m on a formula simplification that was a NOOP. DAG size: 216 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 14:49:09,933 WARN L233 SmtUtils]: Spent 1.47m on a formula simplification that was a NOOP. DAG size: 202 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 14:50:58,408 WARN L233 SmtUtils]: Spent 1.81m on a formula simplification that was a NOOP. DAG size: 216 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 14:52:31,613 WARN L233 SmtUtils]: Spent 1.55m on a formula simplification that was a NOOP. DAG size: 202 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 14:52:46,528 WARN L233 SmtUtils]: Spent 14.83s on a formula simplification. DAG size of input: 142 DAG size of output: 138 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 14:53:06,633 WARN L233 SmtUtils]: Spent 16.45s on a formula simplification. DAG size of input: 151 DAG size of output: 147 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 14:55:45,415 WARN L233 SmtUtils]: Spent 2.57m on a formula simplification that was a NOOP. DAG size: 256 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)