./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 6b4ec56b 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_2fd8cc4b-3749-4f95-b691-a279bad00508/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd8cc4b-3749-4f95-b691-a279bad00508/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd8cc4b-3749-4f95-b691-a279bad00508/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd8cc4b-3749-4f95-b691-a279bad00508/bin/utaipan-6cKwYrpEi9/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_2fd8cc4b-3749-4f95-b691-a279bad00508/bin/utaipan-6cKwYrpEi9/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd8cc4b-3749-4f95-b691-a279bad00508/bin/utaipan-6cKwYrpEi9 --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-6b4ec56 [2022-11-20 19:50:59,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 19:50:59,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 19:50:59,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 19:50:59,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 19:50:59,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 19:50:59,778 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 19:50:59,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 19:50:59,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 19:50:59,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 19:50:59,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 19:50:59,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 19:50:59,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 19:50:59,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 19:50:59,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 19:50:59,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 19:50:59,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 19:50:59,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 19:50:59,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 19:50:59,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 19:50:59,806 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 19:50:59,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 19:50:59,811 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 19:50:59,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 19:50:59,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 19:50:59,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 19:50:59,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 19:50:59,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 19:50:59,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 19:50:59,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 19:50:59,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 19:50:59,827 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 19:50:59,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 19:50:59,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 19:50:59,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 19:50:59,833 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 19:50:59,833 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 19:50:59,833 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 19:50:59,834 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 19:50:59,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 19:50:59,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 19:50:59,836 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd8cc4b-3749-4f95-b691-a279bad00508/bin/utaipan-6cKwYrpEi9/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-20 19:50:59,864 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 19:50:59,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 19:50:59,865 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 19:50:59,865 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 19:50:59,866 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 19:50:59,866 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 19:50:59,866 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 19:50:59,866 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 19:50:59,866 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 19:50:59,867 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 19:50:59,868 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 19:50:59,868 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 19:50:59,868 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 19:50:59,868 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 19:50:59,868 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 19:50:59,869 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 19:50:59,869 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 19:50:59,869 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 19:50:59,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 19:50:59,870 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 19:50:59,870 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 19:50:59,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 19:50:59,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 19:50:59,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 19:50:59,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 19:50:59,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 19:50:59,871 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 19:50:59,872 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 19:50:59,872 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 19:50:59,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 19:50:59,872 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 19:50:59,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 19:50:59,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 19:50:59,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 19:50:59,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:50:59,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 19:50:59,874 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 19:50:59,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 19:50:59,875 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 19:50:59,875 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 19:50:59,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 19:50:59,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 19:50:59,875 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 19:50:59,875 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_2fd8cc4b-3749-4f95-b691-a279bad00508/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd8cc4b-3749-4f95-b691-a279bad00508/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 034172cc4904075fab6f792587170b7236be9fb41f3a62fa7fbe9a216ec4ca2c [2022-11-20 19:51:00,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 19:51:00,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 19:51:00,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 19:51:00,203 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 19:51:00,203 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 19:51:00,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd8cc4b-3749-4f95-b691-a279bad00508/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i [2022-11-20 19:51:03,223 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 19:51:03,555 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 19:51:03,555 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd8cc4b-3749-4f95-b691-a279bad00508/sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i [2022-11-20 19:51:03,576 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd8cc4b-3749-4f95-b691-a279bad00508/bin/utaipan-6cKwYrpEi9/data/382b70a73/0779ff65662c4913a743bc7e02946f53/FLAG14f538563 [2022-11-20 19:51:03,593 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd8cc4b-3749-4f95-b691-a279bad00508/bin/utaipan-6cKwYrpEi9/data/382b70a73/0779ff65662c4913a743bc7e02946f53 [2022-11-20 19:51:03,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 19:51:03,598 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 19:51:03,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 19:51:03,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 19:51:03,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 19:51:03,606 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:51:03" (1/1) ... [2022-11-20 19:51:03,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63b39e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:51:03, skipping insertion in model container [2022-11-20 19:51:03,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:51:03" (1/1) ... [2022-11-20 19:51:03,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 19:51:03,675 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:51:04,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:51:04,575 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 19:51:04,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:51:04,725 INFO L208 MainTranslator]: Completed translation [2022-11-20 19:51:04,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:51:04 WrapperNode [2022-11-20 19:51:04,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 19:51:04,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 19:51:04,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 19:51:04,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 19:51:04,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:51:04" (1/1) ... [2022-11-20 19:51:04,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:51:04" (1/1) ... [2022-11-20 19:51:04,841 INFO L138 Inliner]: procedures = 370, calls = 36, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 328 [2022-11-20 19:51:04,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 19:51:04,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 19:51:04,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 19:51:04,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 19:51:04,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:51:04" (1/1) ... [2022-11-20 19:51:04,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:51:04" (1/1) ... [2022-11-20 19:51:04,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:51:04" (1/1) ... [2022-11-20 19:51:04,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:51:04" (1/1) ... [2022-11-20 19:51:04,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:51:04" (1/1) ... [2022-11-20 19:51:04,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:51:04" (1/1) ... [2022-11-20 19:51:04,912 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:51:04" (1/1) ... [2022-11-20 19:51:04,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:51:04" (1/1) ... [2022-11-20 19:51:04,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 19:51:04,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 19:51:04,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 19:51:04,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 19:51:04,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:51:04" (1/1) ... [2022-11-20 19:51:04,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:51:04,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd8cc4b-3749-4f95-b691-a279bad00508/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:51:04,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd8cc4b-3749-4f95-b691-a279bad00508/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 19:51:05,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fd8cc4b-3749-4f95-b691-a279bad00508/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 19:51:05,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 19:51:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 19:51:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 19:51:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 19:51:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 19:51:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 19:51:05,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 19:51:05,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 19:51:05,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 19:51:05,017 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-20 19:51:05,017 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-20 19:51:05,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 19:51:05,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 19:51:05,019 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 19:51:05,176 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 19:51:05,179 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 19:51:06,029 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 19:51:06,040 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 19:51:06,040 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 19:51:06,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:51:06 BoogieIcfgContainer [2022-11-20 19:51:06,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 19:51:06,045 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 19:51:06,045 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 19:51:06,048 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 19:51:06,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:51:03" (1/3) ... [2022-11-20 19:51:06,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49c0281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:51:06, skipping insertion in model container [2022-11-20 19:51:06,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:51:04" (2/3) ... [2022-11-20 19:51:06,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49c0281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:51:06, skipping insertion in model container [2022-11-20 19:51:06,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:51:06" (3/3) ... [2022-11-20 19:51:06,051 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_12-arraycollapse_rc.i [2022-11-20 19:51:06,060 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 19:51:06,071 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 19:51:06,071 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-11-20 19:51:06,072 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 19:51:06,202 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-20 19:51:06,266 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-20 19:51:06,290 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 398 places, 399 transitions, 803 flow [2022-11-20 19:51:06,295 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 398 places, 399 transitions, 803 flow [2022-11-20 19:51:06,296 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 398 places, 399 transitions, 803 flow [2022-11-20 19:51:06,441 INFO L130 PetriNetUnfolder]: 5/398 cut-off events. [2022-11-20 19:51:06,441 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 19:51:06,448 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. [2022-11-20 19:51:06,453 INFO L119 LiptonReduction]: Number of co-enabled transitions 6512 [2022-11-20 19:52:08,551 WARN L233 SmtUtils]: Spent 7.33s on a formula simplification. DAG size of input: 125 DAG size of output: 117 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 19:52:17,986 WARN L233 SmtUtils]: Spent 7.19s on a formula simplification. DAG size of input: 125 DAG size of output: 117 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 19:52:39,900 WARN L233 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 132 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 19:52:52,245 WARN L233 SmtUtils]: Spent 7.51s on a formula simplification that was a NOOP. DAG size: 132 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 19:52:57,262 WARN L233 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 124 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 19:53:37,779 WARN L233 SmtUtils]: Spent 40.51s on a formula simplification that was a NOOP. DAG size: 195 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 19:54:09,538 WARN L233 SmtUtils]: Spent 31.76s on a formula simplification that was a NOOP. DAG size: 185 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 19:54:45,751 WARN L233 SmtUtils]: Spent 36.21s on a formula simplification that was a NOOP. DAG size: 195 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 19:55:18,608 WARN L233 SmtUtils]: Spent 32.85s on a formula simplification that was a NOOP. DAG size: 185 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 19:55:27,299 WARN L233 SmtUtils]: Spent 8.67s on a formula simplification that was a NOOP. DAG size: 141 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 19:55:33,765 WARN L233 SmtUtils]: Spent 6.46s 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) [2022-11-20 19:55:42,951 WARN L233 SmtUtils]: Spent 9.18s on a formula simplification that was a NOOP. DAG size: 141 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 19:55:49,871 WARN L233 SmtUtils]: Spent 6.92s 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) [2022-11-20 19:56:36,885 WARN L233 SmtUtils]: Spent 46.83s on a formula simplification. DAG size of input: 178 DAG size of output: 174 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 19:56:51,429 WARN L233 SmtUtils]: Spent 14.54s on a formula simplification that was a NOOP. DAG size: 154 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 19:57:34,147 WARN L233 SmtUtils]: Spent 42.72s on a formula simplification. DAG size of input: 178 DAG size of output: 174 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 19:57:47,320 WARN L233 SmtUtils]: Spent 13.17s on a formula simplification that was a NOOP. DAG size: 154 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 19:57:54,157 WARN L233 SmtUtils]: Spent 6.81s on a formula simplification that was a NOOP. DAG size: 170 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 19:58:04,033 WARN L233 SmtUtils]: Spent 6.45s on a formula simplification that was a NOOP. DAG size: 170 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 19:58:53,952 WARN L233 SmtUtils]: Spent 46.58s on a formula simplification that was a NOOP. DAG size: 238 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 19:59:24,262 WARN L233 SmtUtils]: Spent 30.31s on a formula simplification that was a NOOP. DAG size: 234 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 20:01:35,989 WARN L233 SmtUtils]: Spent 2.20m on a formula simplification. DAG size of input: 250 DAG size of output: 248 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 20:02:54,869 WARN L233 SmtUtils]: Spent 1.31m on a formula simplification that was a NOOP. DAG size: 243 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-20 20:06:02,462 WARN L233 SmtUtils]: Spent 3.12m on a formula simplification. DAG size of input: 276 DAG size of output: 272 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)