./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1221213b-fd8d-4be0-9927-142d516bf697/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1221213b-fd8d-4be0-9927-142d516bf697/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_1221213b-fd8d-4be0-9927-142d516bf697/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1221213b-fd8d-4be0-9927-142d516bf697/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1221213b-fd8d-4be0-9927-142d516bf697/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_1221213b-fd8d-4be0-9927-142d516bf697/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 034172cc4904075fab6f792587170b7236be9fb41f3a62fa7fbe9a216ec4ca2c --- 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 12:43:29,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 12:43:29,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 12:43:29,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 12:43:29,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 12:43:29,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 12:43:29,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 12:43:29,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 12:43:29,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 12:43:29,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 12:43:29,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 12:43:29,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 12:43:29,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 12:43:29,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 12:43:29,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 12:43:29,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 12:43:29,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 12:43:29,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 12:43:29,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 12:43:29,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 12:43:29,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 12:43:29,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 12:43:29,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 12:43:29,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 12:43:29,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 12:43:29,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 12:43:29,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 12:43:29,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 12:43:29,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 12:43:29,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 12:43:29,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 12:43:29,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 12:43:29,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 12:43:29,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 12:43:29,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 12:43:29,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 12:43:29,460 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 12:43:29,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 12:43:29,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 12:43:29,461 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 12:43:29,462 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 12:43:29,463 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1221213b-fd8d-4be0-9927-142d516bf697/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 12:43:29,479 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 12:43:29,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 12:43:29,479 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 12:43:29,479 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 12:43:29,480 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 12:43:29,480 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 12:43:29,480 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 12:43:29,480 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 12:43:29,480 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 12:43:29,481 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 12:43:29,481 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 12:43:29,481 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 12:43:29,481 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 12:43:29,481 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 12:43:29,481 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 12:43:29,482 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 12:43:29,482 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 12:43:29,482 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 12:43:29,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 12:43:29,483 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 12:43:29,483 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 12:43:29,483 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 12:43:29,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 12:43:29,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 12:43:29,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 12:43:29,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 12:43:29,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 12:43:29,484 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 12:43:29,484 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 12:43:29,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 12:43:29,484 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 12:43:29,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 12:43:29,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 12:43:29,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 12:43:29,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:43:29,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 12:43:29,486 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 12:43:29,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 12:43:29,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 12:43:29,486 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 12:43:29,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 12:43:29,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 12:43:29,487 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 12:43:29,487 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_1221213b-fd8d-4be0-9927-142d516bf697/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1221213b-fd8d-4be0-9927-142d516bf697/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 034172cc4904075fab6f792587170b7236be9fb41f3a62fa7fbe9a216ec4ca2c [2022-12-14 12:43:29,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 12:43:29,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 12:43:29,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 12:43:29,669 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 12:43:29,669 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 12:43:29,671 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1221213b-fd8d-4be0-9927-142d516bf697/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i [2022-12-14 12:43:32,332 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 12:43:32,543 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 12:43:32,544 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1221213b-fd8d-4be0-9927-142d516bf697/sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i [2022-12-14 12:43:32,557 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1221213b-fd8d-4be0-9927-142d516bf697/bin/utaipan-gh47qXpMRh/data/3f7b9cee8/515999bd1d2d4b468281b3af75f2980b/FLAG81992db8f [2022-12-14 12:43:32,568 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1221213b-fd8d-4be0-9927-142d516bf697/bin/utaipan-gh47qXpMRh/data/3f7b9cee8/515999bd1d2d4b468281b3af75f2980b [2022-12-14 12:43:32,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 12:43:32,572 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 12:43:32,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 12:43:32,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 12:43:32,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 12:43:32,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:43:32" (1/1) ... [2022-12-14 12:43:32,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@793ecf5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:43:32, skipping insertion in model container [2022-12-14 12:43:32,578 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 12:43:32" (1/1) ... [2022-12-14 12:43:32,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 12:43:32,623 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 12:43:33,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:43:33,092 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 12:43:33,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 12:43:33,200 INFO L208 MainTranslator]: Completed translation [2022-12-14 12:43:33,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:43:33 WrapperNode [2022-12-14 12:43:33,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 12:43:33,202 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 12:43:33,202 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 12:43:33,202 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 12:43:33,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:43:33" (1/1) ... [2022-12-14 12:43:33,228 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:43:33" (1/1) ... [2022-12-14 12:43:33,267 INFO L138 Inliner]: procedures = 370, calls = 36, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 328 [2022-12-14 12:43:33,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 12:43:33,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 12:43:33,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 12:43:33,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 12:43:33,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:43:33" (1/1) ... [2022-12-14 12:43:33,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:43:33" (1/1) ... [2022-12-14 12:43:33,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:43:33" (1/1) ... [2022-12-14 12:43:33,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:43:33" (1/1) ... [2022-12-14 12:43:33,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:43:33" (1/1) ... [2022-12-14 12:43:33,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:43:33" (1/1) ... [2022-12-14 12:43:33,320 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:43:33" (1/1) ... [2022-12-14 12:43:33,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:43:33" (1/1) ... [2022-12-14 12:43:33,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 12:43:33,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 12:43:33,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 12:43:33,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 12:43:33,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:43:33" (1/1) ... [2022-12-14 12:43:33,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 12:43:33,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1221213b-fd8d-4be0-9927-142d516bf697/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 12:43:33,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1221213b-fd8d-4be0-9927-142d516bf697/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 12:43:33,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1221213b-fd8d-4be0-9927-142d516bf697/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 12:43:33,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 12:43:33,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 12:43:33,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 12:43:33,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 12:43:33,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 12:43:33,405 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 12:43:33,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 12:43:33,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 12:43:33,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 12:43:33,405 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-14 12:43:33,405 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-14 12:43:33,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 12:43:33,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 12:43:33,407 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 12:43:33,534 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 12:43:33,535 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 12:43:34,002 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 12:43:34,010 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 12:43:34,010 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 12:43:34,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:43:34 BoogieIcfgContainer [2022-12-14 12:43:34,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 12:43:34,014 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 12:43:34,014 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 12:43:34,016 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 12:43:34,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 12:43:32" (1/3) ... [2022-12-14 12:43:34,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ec35eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:43:34, skipping insertion in model container [2022-12-14 12:43:34,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 12:43:33" (2/3) ... [2022-12-14 12:43:34,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ec35eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 12:43:34, skipping insertion in model container [2022-12-14 12:43:34,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 12:43:34" (3/3) ... [2022-12-14 12:43:34,018 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_12-arraycollapse_rc.i [2022-12-14 12:43:34,025 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 12:43:34,033 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 12:43:34,033 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-12-14 12:43:34,033 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 12:43:34,091 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 12:43:34,118 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 12:43:34,129 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 398 places, 399 transitions, 803 flow [2022-12-14 12:43:34,131 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 398 places, 399 transitions, 803 flow [2022-12-14 12:43:34,133 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 398 places, 399 transitions, 803 flow [2022-12-14 12:43:34,230 INFO L130 PetriNetUnfolder]: 5/398 cut-off events. [2022-12-14 12:43:34,230 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 12:43:34,235 INFO L83 FinitePrefix]: Finished finitePrefix Result has 402 conditions, 398 events. 5/398 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 363 event pairs, 0 based on Foata normal form. 0/365 useless extension candidates. Maximal degree in co-relation 272. Up to 2 conditions per place. [2022-12-14 12:43:34,238 INFO L119 LiptonReduction]: Number of co-enabled transitions 6512 [2022-12-14 12:44:11,348 WARN L233 SmtUtils]: Spent 7.95s on a formula simplification. DAG size of input: 124 DAG size of output: 120 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 12:44:21,471 WARN L233 SmtUtils]: Spent 7.62s on a formula simplification. DAG size of input: 124 DAG size of output: 120 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 12:44:29,550 WARN L233 SmtUtils]: Spent 5.28s on a formula simplification. DAG size of input: 120 DAG size of output: 114 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 12:44:36,371 WARN L233 SmtUtils]: Spent 5.15s on a formula simplification. DAG size of input: 120 DAG size of output: 114 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 12:44:50,731 WARN L233 SmtUtils]: Spent 12.24s on a formula simplification. DAG size of input: 149 DAG size of output: 143 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 12:44:56,037 WARN L233 SmtUtils]: Spent 5.31s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 12:45:08,675 WARN L233 SmtUtils]: Spent 12.64s on a formula simplification. DAG size of input: 149 DAG size of output: 143 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 12:45:27,165 WARN L233 SmtUtils]: Spent 13.85s on a formula simplification. DAG size of input: 145 DAG size of output: 143 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 12:45:32,258 WARN L233 SmtUtils]: Spent 5.09s on a formula simplification that was a NOOP. DAG size: 139 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 12:45:45,235 WARN L233 SmtUtils]: Spent 12.97s on a formula simplification. DAG size of input: 145 DAG size of output: 143 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 12:46:13,216 WARN L233 SmtUtils]: Spent 13.99s on a formula simplification that was a NOOP. DAG size: 157 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 12:46:24,008 WARN L233 SmtUtils]: Spent 10.79s on a formula simplification that was a NOOP. DAG size: 151 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 12:46:40,366 WARN L233 SmtUtils]: Spent 16.36s on a formula simplification that was a NOOP. DAG size: 157 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 12:46:52,089 WARN L233 SmtUtils]: Spent 11.72s on a formula simplification that was a NOOP. DAG size: 151 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 12:47:25,988 WARN L233 SmtUtils]: Spent 29.76s on a formula simplification. DAG size of input: 201 DAG size of output: 195 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 12:47:40,835 WARN L233 SmtUtils]: Spent 14.85s on a formula simplification that was a NOOP. DAG size: 187 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 12:48:15,819 WARN L233 SmtUtils]: Spent 34.98s on a formula simplification. DAG size of input: 201 DAG size of output: 195 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 12:48:37,889 WARN L233 SmtUtils]: Spent 22.07s on a formula simplification that was a NOOP. DAG size: 187 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 12:54:07,322 WARN L233 SmtUtils]: Spent 5.49m on a formula simplification. DAG size of input: 264 DAG size of output: 260 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 12:55:52,229 WARN L233 SmtUtils]: Spent 1.75m on a formula simplification that was a NOOP. DAG size: 228 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)