./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr-deref.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_c9903d04-a5a1-457f-a975-9eab7f2542d1/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9903d04-a5a1-457f-a975-9eab7f2542d1/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_c9903d04-a5a1-457f-a975-9eab7f2542d1/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9903d04-a5a1-457f-a975-9eab7f2542d1/bin/utaipan-gh47qXpMRh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr-deref.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9903d04-a5a1-457f-a975-9eab7f2542d1/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9903d04-a5a1-457f-a975-9eab7f2542d1/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e8cd6f4fedd4ae62debc23b5e2621fa19163a924ac1cc7b32aeb6e38c2fa5ce1 --- 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 05:41:24,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:41:24,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:41:24,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:41:24,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:41:24,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:41:24,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:41:24,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:41:24,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:41:24,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:41:24,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:41:24,459 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:41:24,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:41:24,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:41:24,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:41:24,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:41:24,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:41:24,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:41:24,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:41:24,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:41:24,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:41:24,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:41:24,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:41:24,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:41:24,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:41:24,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:41:24,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:41:24,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:41:24,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:41:24,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:41:24,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:41:24,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:41:24,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:41:24,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:41:24,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:41:24,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:41:24,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:41:24,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:41:24,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:41:24,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:41:24,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:41:24,490 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9903d04-a5a1-457f-a975-9eab7f2542d1/bin/utaipan-gh47qXpMRh/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-12-14 05:41:24,510 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:41:24,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:41:24,510 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:41:24,511 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:41:24,511 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:41:24,511 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:41:24,512 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:41:24,512 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:41:24,512 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:41:24,512 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:41:24,512 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:41:24,512 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:41:24,512 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:41:24,513 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:41:24,513 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:41:24,513 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:41:24,513 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:41:24,513 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:41:24,514 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 05:41:24,514 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 05:41:24,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:41:24,514 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 05:41:24,515 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 05:41:24,515 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:41:24,515 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 05:41:24,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:41:24,515 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 05:41:24,515 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 05:41:24,515 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 05:41:24,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:41:24,516 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 05:41:24,516 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 05:41:24,516 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:41:24,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:41:24,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:41:24,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:41:24,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:41:24,517 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:41:24,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:41:24,517 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:41:24,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:41:24,518 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:41:24,518 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_c9903d04-a5a1-457f-a975-9eab7f2542d1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9903d04-a5a1-457f-a975-9eab7f2542d1/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8cd6f4fedd4ae62debc23b5e2621fa19163a924ac1cc7b32aeb6e38c2fa5ce1 [2022-12-14 05:41:24,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:41:24,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:41:24,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:41:24,732 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:41:24,732 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:41:24,733 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9903d04-a5a1-457f-a975-9eab7f2542d1/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr-deref.i [2022-12-14 05:41:27,271 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:41:27,492 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:41:27,493 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9903d04-a5a1-457f-a975-9eab7f2542d1/sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr-deref.i [2022-12-14 05:41:27,507 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9903d04-a5a1-457f-a975-9eab7f2542d1/bin/utaipan-gh47qXpMRh/data/62a9e9d94/1e5a39cce78045ca969dca02655c33ec/FLAG22e372631 [2022-12-14 05:41:27,825 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9903d04-a5a1-457f-a975-9eab7f2542d1/bin/utaipan-gh47qXpMRh/data/62a9e9d94/1e5a39cce78045ca969dca02655c33ec [2022-12-14 05:41:27,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:41:27,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:41:27,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:41:27,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:41:27,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:41:27,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:41:27" (1/1) ... [2022-12-14 05:41:27,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21224fa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:41:27, skipping insertion in model container [2022-12-14 05:41:27,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:41:27" (1/1) ... [2022-12-14 05:41:27,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:41:27,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:41:28,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:41:28,251 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:41:28,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:41:28,328 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:41:28,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:41:28 WrapperNode [2022-12-14 05:41:28,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:41:28,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:41:28,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:41:28,329 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:41:28,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:41:28" (1/1) ... [2022-12-14 05:41:28,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:41:28" (1/1) ... [2022-12-14 05:41:28,365 INFO L138 Inliner]: procedures = 370, calls = 42, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 196 [2022-12-14 05:41:28,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:41:28,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:41:28,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:41:28,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:41:28,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:41:28" (1/1) ... [2022-12-14 05:41:28,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:41:28" (1/1) ... [2022-12-14 05:41:28,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:41:28" (1/1) ... [2022-12-14 05:41:28,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:41:28" (1/1) ... [2022-12-14 05:41:28,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:41:28" (1/1) ... [2022-12-14 05:41:28,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:41:28" (1/1) ... [2022-12-14 05:41:28,387 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:41:28" (1/1) ... [2022-12-14 05:41:28,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:41:28" (1/1) ... [2022-12-14 05:41:28,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:41:28,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:41:28,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:41:28,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:41:28,392 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:41:28" (1/1) ... [2022-12-14 05:41:28,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:41:28,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9903d04-a5a1-457f-a975-9eab7f2542d1/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:41:28,413 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9903d04-a5a1-457f-a975-9eab7f2542d1/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:41:28,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9903d04-a5a1-457f-a975-9eab7f2542d1/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:41:28,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 05:41:28,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 05:41:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 05:41:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 05:41:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 05:41:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 05:41:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 05:41:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:41:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 05:41:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-14 05:41:28,447 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-14 05:41:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:41:28,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:41:28,449 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 05:41:28,565 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:41:28,566 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:41:28,971 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:41:28,981 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:41:28,981 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 05:41:28,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:41:28 BoogieIcfgContainer [2022-12-14 05:41:28,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:41:28,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:41:28,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:41:28,987 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:41:28,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:41:27" (1/3) ... [2022-12-14 05:41:28,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5035832c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:41:28, skipping insertion in model container [2022-12-14 05:41:28,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:41:28" (2/3) ... [2022-12-14 05:41:28,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5035832c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:41:28, skipping insertion in model container [2022-12-14 05:41:28,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:41:28" (3/3) ... [2022-12-14 05:41:28,990 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_13-arraycollapse_nr-deref.i [2022-12-14 05:41:29,005 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:41:29,005 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 81 error locations. [2022-12-14 05:41:29,005 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 05:41:29,079 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 05:41:29,113 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 05:41:29,127 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 337 places, 338 transitions, 681 flow [2022-12-14 05:41:29,130 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 337 places, 338 transitions, 681 flow [2022-12-14 05:41:29,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 337 places, 338 transitions, 681 flow [2022-12-14 05:41:29,252 INFO L130 PetriNetUnfolder]: 5/337 cut-off events. [2022-12-14 05:41:29,252 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 05:41:29,256 INFO L83 FinitePrefix]: Finished finitePrefix Result has 341 conditions, 337 events. 5/337 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 327 event pairs, 0 based on Foata normal form. 0/251 useless extension candidates. Maximal degree in co-relation 252. Up to 2 conditions per place. [2022-12-14 05:41:29,258 INFO L119 LiptonReduction]: Number of co-enabled transitions 3136 [2022-12-14 05:42:39,442 WARN L233 SmtUtils]: Spent 5.80s on a formula simplification. DAG size of input: 221 DAG size of output: 215 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:42:47,176 WARN L233 SmtUtils]: Spent 5.85s on a formula simplification. DAG size of input: 221 DAG size of output: 215 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:43:12,228 WARN L233 SmtUtils]: Spent 22.52s on a formula simplification. DAG size of input: 275 DAG size of output: 263 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:43:20,564 WARN L233 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 231 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:43:39,477 WARN L233 SmtUtils]: Spent 18.91s on a formula simplification. DAG size of input: 272 DAG size of output: 260 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:43:45,595 WARN L233 SmtUtils]: Spent 6.11s on a formula simplification that was a NOOP. DAG size: 227 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:43:53,006 WARN L233 SmtUtils]: Spent 6.87s on a formula simplification. DAG size of input: 203 DAG size of output: 200 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:44:04,616 WARN L233 SmtUtils]: Spent 8.61s on a formula simplification. DAG size of input: 203 DAG size of output: 197 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:44:18,759 WARN L233 SmtUtils]: Spent 10.04s on a formula simplification. DAG size of input: 248 DAG size of output: 240 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:44:31,314 WARN L233 SmtUtils]: Spent 10.62s on a formula simplification. DAG size of input: 251 DAG size of output: 243 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:44:44,882 WARN L233 SmtUtils]: Spent 11.10s on a formula simplification. DAG size of input: 244 DAG size of output: 236 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:44:57,885 WARN L233 SmtUtils]: Spent 10.62s on a formula simplification. DAG size of input: 247 DAG size of output: 239 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:45:08,396 WARN L233 SmtUtils]: Spent 7.61s on a formula simplification. DAG size of input: 236 DAG size of output: 228 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:45:19,026 WARN L233 SmtUtils]: Spent 9.35s on a formula simplification. DAG size of input: 239 DAG size of output: 231 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:45:57,518 WARN L233 SmtUtils]: Spent 37.08s on a formula simplification. DAG size of input: 283 DAG size of output: 269 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:46:10,205 WARN L233 SmtUtils]: Spent 12.68s on a formula simplification that was a NOOP. DAG size: 237 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:46:40,702 WARN L233 SmtUtils]: Spent 30.49s on a formula simplification. DAG size of input: 280 DAG size of output: 266 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:46:52,792 WARN L233 SmtUtils]: Spent 12.09s on a formula simplification that was a NOOP. DAG size: 233 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:47:04,504 WARN L233 SmtUtils]: Spent 11.69s on a formula simplification that was a NOOP. DAG size: 270 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:47:17,342 WARN L233 SmtUtils]: Spent 12.84s on a formula simplification that was a NOOP. DAG size: 264 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:47:36,510 WARN L233 SmtUtils]: Spent 19.17s on a formula simplification. DAG size of input: 278 DAG size of output: 276 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:47:45,525 WARN L233 SmtUtils]: Spent 9.01s on a formula simplification that was a NOOP. DAG size: 269 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:48:00,528 WARN L233 SmtUtils]: Spent 13.68s on a formula simplification that was a NOOP. DAG size: 276 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:48:12,883 WARN L233 SmtUtils]: Spent 12.35s on a formula simplification that was a NOOP. DAG size: 270 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:48:39,067 WARN L233 SmtUtils]: Spent 26.18s on a formula simplification. DAG size of input: 284 DAG size of output: 282 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:48:50,689 WARN L233 SmtUtils]: Spent 11.62s on a formula simplification that was a NOOP. DAG size: 275 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:49:11,386 WARN L233 SmtUtils]: Spent 9.68s on a formula simplification that was a NOOP. DAG size: 222 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:49:19,834 WARN L233 SmtUtils]: Spent 8.45s on a formula simplification that was a NOOP. DAG size: 218 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:49:26,944 WARN L233 SmtUtils]: Spent 7.11s on a formula simplification that was a NOOP. DAG size: 219 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:49:34,715 WARN L233 SmtUtils]: Spent 7.77s on a formula simplification that was a NOOP. DAG size: 215 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:50:31,761 WARN L233 SmtUtils]: Spent 43.18s on a formula simplification. DAG size of input: 322 DAG size of output: 301 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:50:42,528 WARN L233 SmtUtils]: Spent 10.76s 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 05:51:30,380 WARN L233 SmtUtils]: Spent 47.85s on a formula simplification. DAG size of input: 323 DAG size of output: 304 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:51:44,142 WARN L233 SmtUtils]: Spent 13.76s on a formula simplification that was a NOOP. DAG size: 256 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:52:22,196 WARN L233 SmtUtils]: Spent 37.96s on a formula simplification. DAG size of input: 324 DAG size of output: 304 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:52:32,184 WARN L233 SmtUtils]: Spent 9.98s on a formula simplification that was a NOOP. DAG size: 256 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:53:17,192 WARN L233 SmtUtils]: Spent 45.01s on a formula simplification. DAG size of input: 328 DAG size of output: 308 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:53:29,194 WARN L233 SmtUtils]: Spent 11.99s on a formula simplification that was a NOOP. DAG size: 260 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:55:27,711 WARN L233 SmtUtils]: Spent 1.96m on a formula simplification. DAG size of input: 370 DAG size of output: 360 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:56:06,299 WARN L233 SmtUtils]: Spent 38.58s on a formula simplification that was a NOOP. DAG size: 312 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)