./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bdefb4-5e12-459b-a7f9-fc96d0b86c68/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bdefb4-5e12-459b-a7f9-fc96d0b86c68/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_86bdefb4-5e12-459b-a7f9-fc96d0b86c68/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bdefb4-5e12-459b-a7f9-fc96d0b86c68/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bdefb4-5e12-459b-a7f9-fc96d0b86c68/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_86bdefb4-5e12-459b-a7f9-fc96d0b86c68/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 b018c23c1a90f89310fc4f08bf16b02660af5a398ccd47f63d319e7a234c112b --- 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 11:18:07,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 11:18:07,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 11:18:07,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 11:18:07,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 11:18:07,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 11:18:07,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 11:18:07,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 11:18:07,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 11:18:07,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 11:18:07,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 11:18:07,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 11:18:07,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 11:18:07,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 11:18:07,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 11:18:07,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 11:18:07,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 11:18:07,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 11:18:07,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 11:18:07,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 11:18:07,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 11:18:07,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 11:18:07,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 11:18:07,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 11:18:07,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 11:18:07,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 11:18:07,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 11:18:07,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 11:18:07,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 11:18:07,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 11:18:07,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 11:18:07,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 11:18:07,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 11:18:07,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 11:18:07,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 11:18:07,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 11:18:07,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 11:18:07,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 11:18:07,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 11:18:07,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 11:18:07,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 11:18:07,823 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bdefb4-5e12-459b-a7f9-fc96d0b86c68/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 11:18:07,843 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 11:18:07,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 11:18:07,854 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 11:18:07,854 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 11:18:07,855 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 11:18:07,855 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 11:18:07,856 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 11:18:07,856 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 11:18:07,856 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 11:18:07,856 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 11:18:07,856 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 11:18:07,857 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 11:18:07,857 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 11:18:07,857 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 11:18:07,857 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 11:18:07,858 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 11:18:07,858 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 11:18:07,858 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 11:18:07,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 11:18:07,859 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 11:18:07,859 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 11:18:07,859 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 11:18:07,859 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 11:18:07,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 11:18:07,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 11:18:07,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 11:18:07,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 11:18:07,860 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 11:18:07,860 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 11:18:07,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 11:18:07,861 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 11:18:07,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 11:18:07,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 11:18:07,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 11:18:07,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:18:07,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 11:18:07,862 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 11:18:07,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 11:18:07,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 11:18:07,863 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 11:18:07,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 11:18:07,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 11:18:07,863 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 11:18:07,863 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_86bdefb4-5e12-459b-a7f9-fc96d0b86c68/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bdefb4-5e12-459b-a7f9-fc96d0b86c68/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b018c23c1a90f89310fc4f08bf16b02660af5a398ccd47f63d319e7a234c112b [2022-12-14 11:18:08,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 11:18:08,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 11:18:08,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 11:18:08,066 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 11:18:08,067 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 11:18:08,068 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bdefb4-5e12-459b-a7f9-fc96d0b86c68/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i [2022-12-14 11:18:10,705 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 11:18:10,922 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 11:18:10,924 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bdefb4-5e12-459b-a7f9-fc96d0b86c68/sv-benchmarks/c/goblint-regression/09-regions_13-arraycollapse_nr.i [2022-12-14 11:18:10,938 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bdefb4-5e12-459b-a7f9-fc96d0b86c68/bin/utaipan-gh47qXpMRh/data/7427e64c6/d9bfd71f1abe43b28bbf331dc93f317d/FLAG57e20cc05 [2022-12-14 11:18:10,952 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bdefb4-5e12-459b-a7f9-fc96d0b86c68/bin/utaipan-gh47qXpMRh/data/7427e64c6/d9bfd71f1abe43b28bbf331dc93f317d [2022-12-14 11:18:10,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 11:18:10,956 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 11:18:10,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 11:18:10,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 11:18:10,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 11:18:10,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:18:10" (1/1) ... [2022-12-14 11:18:10,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b30766f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:18:10, skipping insertion in model container [2022-12-14 11:18:10,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:18:10" (1/1) ... [2022-12-14 11:18:10,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 11:18:11,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 11:18:11,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:18:11,508 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 11:18:11,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 11:18:11,641 INFO L208 MainTranslator]: Completed translation [2022-12-14 11:18:11,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:18:11 WrapperNode [2022-12-14 11:18:11,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 11:18:11,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 11:18:11,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 11:18:11,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 11:18:11,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:18:11" (1/1) ... [2022-12-14 11:18:11,667 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:18:11" (1/1) ... [2022-12-14 11:18:11,704 INFO L138 Inliner]: procedures = 370, calls = 37, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 353 [2022-12-14 11:18:11,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 11:18:11,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 11:18:11,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 11:18:11,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 11:18:11,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:18:11" (1/1) ... [2022-12-14 11:18:11,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:18:11" (1/1) ... [2022-12-14 11:18:11,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:18:11" (1/1) ... [2022-12-14 11:18:11,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:18:11" (1/1) ... [2022-12-14 11:18:11,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:18:11" (1/1) ... [2022-12-14 11:18:11,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:18:11" (1/1) ... [2022-12-14 11:18:11,759 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:18:11" (1/1) ... [2022-12-14 11:18:11,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:18:11" (1/1) ... [2022-12-14 11:18:11,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 11:18:11,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 11:18:11,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 11:18:11,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 11:18:11,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:18:11" (1/1) ... [2022-12-14 11:18:11,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 11:18:11,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bdefb4-5e12-459b-a7f9-fc96d0b86c68/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 11:18:11,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bdefb4-5e12-459b-a7f9-fc96d0b86c68/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 11:18:11,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bdefb4-5e12-459b-a7f9-fc96d0b86c68/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 11:18:11,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 11:18:11,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 11:18:11,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 11:18:11,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 11:18:11,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 11:18:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-14 11:18:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 11:18:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 11:18:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 11:18:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-14 11:18:11,832 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-14 11:18:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 11:18:11,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 11:18:11,834 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 11:18:11,967 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 11:18:11,969 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 11:18:12,457 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 11:18:12,465 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 11:18:12,465 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 11:18:12,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:18:12 BoogieIcfgContainer [2022-12-14 11:18:12,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 11:18:12,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 11:18:12,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 11:18:12,472 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 11:18:12,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 11:18:10" (1/3) ... [2022-12-14 11:18:12,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62ed7d1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:18:12, skipping insertion in model container [2022-12-14 11:18:12,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:18:11" (2/3) ... [2022-12-14 11:18:12,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62ed7d1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 11:18:12, skipping insertion in model container [2022-12-14 11:18:12,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:18:12" (3/3) ... [2022-12-14 11:18:12,474 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_13-arraycollapse_nr.i [2022-12-14 11:18:12,481 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 11:18:12,489 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 11:18:12,489 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-12-14 11:18:12,489 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 11:18:12,570 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 11:18:12,606 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 11:18:12,621 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 429 places, 430 transitions, 865 flow [2022-12-14 11:18:12,623 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 429 places, 430 transitions, 865 flow [2022-12-14 11:18:12,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 429 places, 430 transitions, 865 flow [2022-12-14 11:18:12,748 INFO L130 PetriNetUnfolder]: 5/429 cut-off events. [2022-12-14 11:18:12,748 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 11:18:12,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 433 conditions, 429 events. 5/429 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. 0/394 useless extension candidates. Maximal degree in co-relation 303. Up to 2 conditions per place. [2022-12-14 11:18:12,758 INFO L119 LiptonReduction]: Number of co-enabled transitions 6512 [2022-12-14 11:19:25,375 WARN L233 SmtUtils]: Spent 12.96s on a formula simplification that was a NOOP. DAG size: 148 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:19:32,797 WARN L233 SmtUtils]: Spent 7.42s on a formula simplification that was a NOOP. DAG size: 136 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:19:42,407 WARN L233 SmtUtils]: Spent 9.61s on a formula simplification that was a NOOP. DAG size: 148 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:19:48,469 WARN L233 SmtUtils]: Spent 6.06s on a formula simplification that was a NOOP. DAG size: 136 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:20:00,509 WARN L233 SmtUtils]: Spent 12.03s on a formula simplification. DAG size of input: 151 DAG size of output: 143 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:20:17,104 WARN L233 SmtUtils]: Spent 12.82s on a formula simplification. DAG size of input: 151 DAG size of output: 143 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:20:30,050 WARN L233 SmtUtils]: Spent 5.15s on a formula simplification that was a NOOP. DAG size: 154 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:20:43,856 WARN L233 SmtUtils]: Spent 6.09s on a formula simplification that was a NOOP. DAG size: 150 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:21:28,128 WARN L233 SmtUtils]: Spent 44.27s on a formula simplification that was a NOOP. DAG size: 196 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:22:05,674 WARN L233 SmtUtils]: Spent 37.54s on a formula simplification that was a NOOP. DAG size: 190 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:22:43,021 WARN L233 SmtUtils]: Spent 37.34s on a formula simplification that was a NOOP. DAG size: 196 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:23:25,612 WARN L233 SmtUtils]: Spent 42.59s on a formula simplification that was a NOOP. DAG size: 190 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:23:33,146 WARN L233 SmtUtils]: Spent 7.51s on a formula simplification that was a NOOP. DAG size: 155 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:23:38,422 WARN L233 SmtUtils]: Spent 5.27s 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 11:23:45,891 WARN L233 SmtUtils]: Spent 7.47s on a formula simplification that was a NOOP. DAG size: 155 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:25:01,736 WARN L233 SmtUtils]: Spent 1.16m on a formula simplification that was a NOOP. DAG size: 260 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:25:37,103 WARN L233 SmtUtils]: Spent 35.36s on a formula simplification that was a NOOP. DAG size: 229 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:26:34,432 WARN L233 SmtUtils]: Spent 57.33s on a formula simplification that was a NOOP. DAG size: 260 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:27:09,836 WARN L233 SmtUtils]: Spent 35.40s on a formula simplification that was a NOOP. DAG size: 229 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:30:32,399 WARN L233 SmtUtils]: Spent 3.38m on a formula simplification that was a NOOP. DAG size: 311 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 11:32:51,705 WARN L233 SmtUtils]: Spent 2.32m on a formula simplification that was a NOOP. DAG size: 281 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)