./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/ldv-races/race-1_2-join.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a 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_a1e7227c-e447-4a9f-8409-e1d24fbe800d/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e7227c-e447-4a9f-8409-e1d24fbe800d/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e7227c-e447-4a9f-8409-e1d24fbe800d/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e7227c-e447-4a9f-8409-e1d24fbe800d/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-races/race-1_2-join.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e7227c-e447-4a9f-8409-e1d24fbe800d/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e7227c-e447-4a9f-8409-e1d24fbe800d/bin/utaipan-ByfvJB40ur --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 fd4c3d19582748238e9ca587d159d6e8fc23db581cd4de03be73dc785992e03f --- 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-38b53e6 [2022-11-26 00:01:33,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:01:33,648 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:01:33,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:01:33,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:01:33,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:01:33,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:01:33,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:01:33,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:01:33,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:01:33,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:01:33,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:01:33,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:01:33,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:01:33,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:01:33,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:01:33,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:01:33,730 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:01:33,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:01:33,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:01:33,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:01:33,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:01:33,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:01:33,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:01:33,757 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:01:33,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:01:33,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:01:33,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:01:33,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:01:33,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:01:33,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:01:33,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:01:33,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:01:33,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:01:33,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:01:33,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:01:33,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:01:33,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:01:33,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:01:33,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:01:33,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:01:33,777 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e7227c-e447-4a9f-8409-e1d24fbe800d/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-26 00:01:33,816 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:01:33,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:01:33,818 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:01:33,818 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:01:33,823 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:01:33,823 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:01:33,824 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:01:33,824 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:01:33,824 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:01:33,824 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:01:33,825 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:01:33,825 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:01:33,825 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:01:33,825 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:01:33,825 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:01:33,826 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:01:33,826 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:01:33,826 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:01:33,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:01:33,827 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:01:33,827 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:01:33,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:01:33,828 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:01:33,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:01:33,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:01:33,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:01:33,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:01:33,829 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-26 00:01:33,829 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:01:33,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:01:33,830 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:01:33,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:01:33,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:01:33,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:01:33,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:01:33,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:01:33,831 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:01:33,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:01:33,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:01:33,832 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:01:33,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:01:33,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:01:33,832 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:01:33,833 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_a1e7227c-e447-4a9f-8409-e1d24fbe800d/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e7227c-e447-4a9f-8409-e1d24fbe800d/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd4c3d19582748238e9ca587d159d6e8fc23db581cd4de03be73dc785992e03f [2022-11-26 00:01:34,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:01:34,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:01:34,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:01:34,188 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:01:34,189 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:01:34,190 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e7227c-e447-4a9f-8409-e1d24fbe800d/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-races/race-1_2-join.i [2022-11-26 00:01:37,467 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:01:37,908 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:01:37,910 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e7227c-e447-4a9f-8409-e1d24fbe800d/sv-benchmarks/c/ldv-races/race-1_2-join.i [2022-11-26 00:01:37,938 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e7227c-e447-4a9f-8409-e1d24fbe800d/bin/utaipan-ByfvJB40ur/data/fb1bda606/acb44c74741a44c889516f2ad1618ad7/FLAGb3de7e5be [2022-11-26 00:01:37,961 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e7227c-e447-4a9f-8409-e1d24fbe800d/bin/utaipan-ByfvJB40ur/data/fb1bda606/acb44c74741a44c889516f2ad1618ad7 [2022-11-26 00:01:37,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:01:37,970 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:01:37,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:01:37,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:01:37,979 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:01:37,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:01:37" (1/1) ... [2022-11-26 00:01:37,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ff8311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:37, skipping insertion in model container [2022-11-26 00:01:37,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:01:37" (1/1) ... [2022-11-26 00:01:37,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:01:38,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:01:39,132 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e7227c-e447-4a9f-8409-e1d24fbe800d/sv-benchmarks/c/ldv-races/race-1_2-join.i[76153,76166] [2022-11-26 00:01:39,136 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:01:39,143 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:01:39,159 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:01:39,160 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:01:39,160 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:01:39,161 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:01:39,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:01:39,198 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:01:39,257 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e7227c-e447-4a9f-8409-e1d24fbe800d/sv-benchmarks/c/ldv-races/race-1_2-join.i[76153,76166] [2022-11-26 00:01:39,258 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:01:39,259 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:01:39,263 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:01:39,264 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:01:39,264 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-11-26 00:01:39,265 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-11-26 00:01:39,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:01:39,447 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:01:39,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:39 WrapperNode [2022-11-26 00:01:39,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:01:39,449 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:01:39,450 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:01:39,450 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:01:39,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:39" (1/1) ... [2022-11-26 00:01:39,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:39" (1/1) ... [2022-11-26 00:01:39,512 INFO L138 Inliner]: procedures = 482, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2022-11-26 00:01:39,512 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:01:39,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:01:39,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:01:39,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:01:39,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:39" (1/1) ... [2022-11-26 00:01:39,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:39" (1/1) ... [2022-11-26 00:01:39,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:39" (1/1) ... [2022-11-26 00:01:39,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:39" (1/1) ... [2022-11-26 00:01:39,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:39" (1/1) ... [2022-11-26 00:01:39,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:39" (1/1) ... [2022-11-26 00:01:39,553 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:39" (1/1) ... [2022-11-26 00:01:39,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:39" (1/1) ... [2022-11-26 00:01:39,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:01:39,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:01:39,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:01:39,562 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:01:39,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:39" (1/1) ... [2022-11-26 00:01:39,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:01:39,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e7227c-e447-4a9f-8409-e1d24fbe800d/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:01:39,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e7227c-e447-4a9f-8409-e1d24fbe800d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:01:39,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e7227c-e447-4a9f-8409-e1d24fbe800d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:01:39,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-26 00:01:39,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:01:39,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-26 00:01:39,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:01:39,657 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-26 00:01:39,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:01:39,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:01:39,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:01:39,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:01:39,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:01:39,659 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-26 00:01:39,659 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-26 00:01:39,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:01:39,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:01:39,661 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-26 00:01:40,031 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:01:40,034 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:01:40,312 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:01:40,355 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:01:40,356 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 00:01:40,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:01:40 BoogieIcfgContainer [2022-11-26 00:01:40,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:01:40,361 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:01:40,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:01:40,365 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:01:40,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:01:37" (1/3) ... [2022-11-26 00:01:40,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f099252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:01:40, skipping insertion in model container [2022-11-26 00:01:40,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:39" (2/3) ... [2022-11-26 00:01:40,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f099252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:01:40, skipping insertion in model container [2022-11-26 00:01:40,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:01:40" (3/3) ... [2022-11-26 00:01:40,369 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_2-join.i [2022-11-26 00:01:40,379 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-26 00:01:40,390 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:01:40,391 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-11-26 00:01:40,391 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-26 00:01:40,458 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-26 00:01:40,514 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-26 00:01:40,550 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 134 places, 135 transitions, 278 flow [2022-11-26 00:01:40,559 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 134 places, 135 transitions, 278 flow [2022-11-26 00:01:40,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 134 places, 135 transitions, 278 flow [2022-11-26 00:01:40,684 INFO L130 PetriNetUnfolder]: 4/155 cut-off events. [2022-11-26 00:01:40,684 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-26 00:01:40,689 INFO L83 FinitePrefix]: Finished finitePrefix Result has 160 conditions, 155 events. 4/155 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 188 event pairs, 0 based on Foata normal form. 0/138 useless extension candidates. Maximal degree in co-relation 93. Up to 3 conditions per place. [2022-11-26 00:01:40,691 INFO L119 LiptonReduction]: Number of co-enabled transitions 448 [2022-11-26 00:01:47,937 INFO L134 LiptonReduction]: Checked pairs total: 520 [2022-11-26 00:01:47,937 INFO L136 LiptonReduction]: Total number of compositions: 160 [2022-11-26 00:01:47,948 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 22 places, 20 transitions, 48 flow [2022-11-26 00:01:47,961 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 33 states, 16 states have (on average 2.75) internal successors, (44), 32 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:47,982 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:01:47,990 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2df4c2c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:01:47,990 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-11-26 00:01:47,993 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 16 states have (on average 2.75) internal successors, (44), 32 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:47,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-26 00:01:47,999 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:01:47,999 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-26 00:01:48,000 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-11-26 00:01:48,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:01:48,007 INFO L85 PathProgramCache]: Analyzing trace with hash 537, now seen corresponding path program 1 times [2022-11-26 00:01:48,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:01:48,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779764543] [2022-11-26 00:01:48,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:01:48,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:01:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:01:48,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:01:48,254 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:01:48,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779764543] [2022-11-26 00:01:48,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779764543] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:01:48,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:01:48,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-26 00:01:48,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295530605] [2022-11-26 00:01:48,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:01:48,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 00:01:48,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:01:48,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 00:01:48,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:01:48,294 INFO L87 Difference]: Start difference. First operand has 33 states, 16 states have (on average 2.75) internal successors, (44), 32 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:48,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:01:48,342 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2022-11-26 00:01:48,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 00:01:48,345 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-11-26 00:01:48,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:01:48,352 INFO L225 Difference]: With dead ends: 13 [2022-11-26 00:01:48,352 INFO L226 Difference]: Without dead ends: 0 [2022-11-26 00:01:48,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:01:48,360 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:01:48,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:01:48,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-26 00:01:48,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-26 00:01:48,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:48,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-26 00:01:48,395 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1 [2022-11-26 00:01:48,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:01:48,396 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-26 00:01:48,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:01:48,401 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-26 00:01:48,402 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-26 00:01:48,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2022-11-26 00:01:48,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2022-11-26 00:01:48,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2022-11-26 00:01:48,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2022-11-26 00:01:48,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2022-11-26 00:01:48,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2022-11-26 00:01:48,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2022-11-26 00:01:48,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2022-11-26 00:01:48,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2022-11-26 00:01:48,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2022-11-26 00:01:48,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 12 remaining) [2022-11-26 00:01:48,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2022-11-26 00:01:48,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:01:48,423 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-26 00:01:48,430 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-26 00:01:48,430 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:01:48,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:01:48 BasicIcfg [2022-11-26 00:01:48,437 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:01:48,438 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:01:48,438 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:01:48,439 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:01:48,439 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:01:40" (3/4) ... [2022-11-26 00:01:48,442 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-26 00:01:48,448 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-26 00:01:48,458 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2022-11-26 00:01:48,459 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-26 00:01:48,459 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-26 00:01:48,459 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-26 00:01:48,528 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e7227c-e447-4a9f-8409-e1d24fbe800d/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 00:01:48,529 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:01:48,530 INFO L158 Benchmark]: Toolchain (without parser) took 10560.16ms. Allocated memory was 146.8MB in the beginning and 184.5MB in the end (delta: 37.7MB). Free memory was 99.9MB in the beginning and 62.3MB in the end (delta: 37.6MB). Peak memory consumption was 78.3MB. Max. memory is 16.1GB. [2022-11-26 00:01:48,530 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:01:48,530 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1474.47ms. Allocated memory is still 146.8MB. Free memory was 99.9MB in the beginning and 100.3MB in the end (delta: -396.7kB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. [2022-11-26 00:01:48,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.20ms. Allocated memory is still 146.8MB. Free memory was 100.3MB in the beginning and 96.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 00:01:48,531 INFO L158 Benchmark]: Boogie Preprocessor took 48.07ms. Allocated memory is still 146.8MB. Free memory was 96.7MB in the beginning and 94.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 00:01:48,531 INFO L158 Benchmark]: RCFGBuilder took 797.10ms. Allocated memory is still 146.8MB. Free memory was 94.0MB in the beginning and 70.1MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-26 00:01:48,532 INFO L158 Benchmark]: TraceAbstraction took 8076.06ms. Allocated memory was 146.8MB in the beginning and 184.5MB in the end (delta: 37.7MB). Free memory was 69.5MB in the beginning and 65.5MB in the end (delta: 4.0MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2022-11-26 00:01:48,532 INFO L158 Benchmark]: Witness Printer took 90.93ms. Allocated memory is still 184.5MB. Free memory was 65.5MB in the beginning and 62.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 00:01:48,535 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1474.47ms. Allocated memory is still 146.8MB. Free memory was 99.9MB in the beginning and 100.3MB in the end (delta: -396.7kB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.20ms. Allocated memory is still 146.8MB. Free memory was 100.3MB in the beginning and 96.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.07ms. Allocated memory is still 146.8MB. Free memory was 96.7MB in the beginning and 94.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 797.10ms. Allocated memory is still 146.8MB. Free memory was 94.0MB in the beginning and 70.1MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 8076.06ms. Allocated memory was 146.8MB in the beginning and 184.5MB in the end (delta: 37.7MB). Free memory was 69.5MB in the beginning and 65.5MB in the end (delta: 4.0MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * Witness Printer took 90.93ms. Allocated memory is still 184.5MB. Free memory was 65.5MB in the beginning and 62.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.4s, 134 PlacesBefore, 22 PlacesAfterwards, 135 TransitionsBefore, 20 TransitionsAfterwards, 448 CoEnabledTransitionPairs, 8 FixpointIterations, 106 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 10 ConcurrentYvCompositions, 3 ChoiceCompositions, 160 TotalNumberOfCompositions, 520 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 504, independent: 494, independent conditional: 0, independent unconditional: 494, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 333, independent: 328, independent conditional: 0, independent unconditional: 328, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 333, independent: 322, independent conditional: 0, independent unconditional: 322, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 11, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 41, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 504, independent: 166, independent conditional: 0, independent unconditional: 166, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 333, unknown conditional: 0, unknown unconditional: 333] , Statistics on independence cache: Total cache size (in pairs): 8, Positive cache size: 7, Positive conditional cache size: 0, Positive unconditional cache size: 7, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1721]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1717]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1730]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1731]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 141 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 7.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-26 00:01:48,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e7227c-e447-4a9f-8409-e1d24fbe800d/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE