./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-divine/barrier_3t.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9891537f-1153-410b-a110-187a5b56af81/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9891537f-1153-410b-a110-187a5b56af81/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9891537f-1153-410b-a110-187a5b56af81/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9891537f-1153-410b-a110-187a5b56af81/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-divine/barrier_3t.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9891537f-1153-410b-a110-187a5b56af81/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9891537f-1153-410b-a110-187a5b56af81/bin/utaipan-7li7fVZpFI --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 116240ce9d1e33454ba4eae840c2d7b67606f3cd4ffa1a06798f06dcbc1241fc --- 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-5e519f3 [2022-11-03 03:30:28,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:30:28,606 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:30:28,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:30:28,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:30:28,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:30:28,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:30:28,670 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:30:28,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:30:28,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:30:28,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:30:28,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:30:28,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:30:28,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:30:28,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:30:28,692 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:30:28,694 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:30:28,695 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:30:28,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:30:28,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:30:28,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:30:28,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:30:28,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:30:28,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:30:28,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:30:28,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:30:28,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:30:28,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:30:28,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:30:28,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:30:28,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:30:28,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:30:28,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:30:28,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:30:28,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:30:28,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:30:28,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:30:28,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:30:28,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:30:28,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:30:28,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:30:28,738 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9891537f-1153-410b-a110-187a5b56af81/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-03 03:30:28,781 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:30:28,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:30:28,782 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:30:28,782 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:30:28,783 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:30:28,783 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:30:28,784 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:30:28,784 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:30:28,784 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:30:28,784 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:30:28,785 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:30:28,786 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:30:28,786 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:30:28,786 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:30:28,786 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:30:28,787 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:30:28,787 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:30:28,787 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:30:28,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:30:28,788 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 03:30:28,788 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 03:30:28,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:30:28,789 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 03:30:28,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:30:28,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:30:28,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:30:28,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:30:28,792 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 03:30:28,792 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 03:30:28,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:30:28,792 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:30:28,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:30:28,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:30:28,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:30:28,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:30:28,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:30:28,794 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:30:28,794 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:30:28,794 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:30:28,795 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:30:28,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:30:28,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:30:28,795 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:30:28,795 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_9891537f-1153-410b-a110-187a5b56af81/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9891537f-1153-410b-a110-187a5b56af81/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 116240ce9d1e33454ba4eae840c2d7b67606f3cd4ffa1a06798f06dcbc1241fc [2022-11-03 03:30:29,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:30:29,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:30:29,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:30:29,165 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:30:29,166 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:30:29,167 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9891537f-1153-410b-a110-187a5b56af81/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/pthread-divine/barrier_3t.i [2022-11-03 03:30:29,271 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9891537f-1153-410b-a110-187a5b56af81/bin/utaipan-7li7fVZpFI/data/1ed41aa35/e936e695c23249c1911255029c917523/FLAG638e38fd7 [2022-11-03 03:30:29,884 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:30:29,889 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9891537f-1153-410b-a110-187a5b56af81/sv-benchmarks/c/pthread-divine/barrier_3t.i [2022-11-03 03:30:29,908 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9891537f-1153-410b-a110-187a5b56af81/bin/utaipan-7li7fVZpFI/data/1ed41aa35/e936e695c23249c1911255029c917523/FLAG638e38fd7 [2022-11-03 03:30:30,132 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9891537f-1153-410b-a110-187a5b56af81/bin/utaipan-7li7fVZpFI/data/1ed41aa35/e936e695c23249c1911255029c917523 [2022-11-03 03:30:30,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:30:30,139 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:30:30,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:30:30,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:30:30,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:30:30,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:30:30" (1/1) ... [2022-11-03 03:30:30,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@653e96e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:30:30, skipping insertion in model container [2022-11-03 03:30:30,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:30:30" (1/1) ... [2022-11-03 03:30:30,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:30:30,220 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:30:30,475 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-03 03:30:30,754 WARN L230 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_9891537f-1153-410b-a110-187a5b56af81/sv-benchmarks/c/pthread-divine/barrier_3t.i[30484,30497] [2022-11-03 03:30:30,816 WARN L230 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_9891537f-1153-410b-a110-187a5b56af81/sv-benchmarks/c/pthread-divine/barrier_3t.i[31858,31871] [2022-11-03 03:30:30,817 WARN L230 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_9891537f-1153-410b-a110-187a5b56af81/sv-benchmarks/c/pthread-divine/barrier_3t.i[31909,31922] [2022-11-03 03:30:30,826 WARN L230 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_9891537f-1153-410b-a110-187a5b56af81/sv-benchmarks/c/pthread-divine/barrier_3t.i[32058,32071] [2022-11-03 03:30:30,830 WARN L230 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_9891537f-1153-410b-a110-187a5b56af81/sv-benchmarks/c/pthread-divine/barrier_3t.i[32135,32148] [2022-11-03 03:30:30,834 WARN L230 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_9891537f-1153-410b-a110-187a5b56af81/sv-benchmarks/c/pthread-divine/barrier_3t.i[32182,32195] [2022-11-03 03:30:30,839 WARN L230 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_9891537f-1153-410b-a110-187a5b56af81/sv-benchmarks/c/pthread-divine/barrier_3t.i[32291,32304] [2022-11-03 03:30:30,841 WARN L230 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_9891537f-1153-410b-a110-187a5b56af81/sv-benchmarks/c/pthread-divine/barrier_3t.i[32410,32423] [2022-11-03 03:30:30,842 WARN L230 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_9891537f-1153-410b-a110-187a5b56af81/sv-benchmarks/c/pthread-divine/barrier_3t.i[32458,32471] [2022-11-03 03:30:30,844 WARN L230 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_9891537f-1153-410b-a110-187a5b56af81/sv-benchmarks/c/pthread-divine/barrier_3t.i[32535,32548] [2022-11-03 03:30:30,845 WARN L230 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_9891537f-1153-410b-a110-187a5b56af81/sv-benchmarks/c/pthread-divine/barrier_3t.i[32661,32674] [2022-11-03 03:30:30,855 WARN L230 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_9891537f-1153-410b-a110-187a5b56af81/sv-benchmarks/c/pthread-divine/barrier_3t.i[33244,33257] [2022-11-03 03:30:30,856 WARN L230 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_9891537f-1153-410b-a110-187a5b56af81/sv-benchmarks/c/pthread-divine/barrier_3t.i[33321,33334] [2022-11-03 03:30:30,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:30:30,868 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:30:30,882 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-03 03:30:30,915 WARN L230 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_9891537f-1153-410b-a110-187a5b56af81/sv-benchmarks/c/pthread-divine/barrier_3t.i[30484,30497] [2022-11-03 03:30:30,931 WARN L230 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_9891537f-1153-410b-a110-187a5b56af81/sv-benchmarks/c/pthread-divine/barrier_3t.i[31858,31871] [2022-11-03 03:30:30,932 WARN L230 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_9891537f-1153-410b-a110-187a5b56af81/sv-benchmarks/c/pthread-divine/barrier_3t.i[31909,31922] [2022-11-03 03:30:30,934 WARN L230 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_9891537f-1153-410b-a110-187a5b56af81/sv-benchmarks/c/pthread-divine/barrier_3t.i[32058,32071] [2022-11-03 03:30:30,943 WARN L230 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_9891537f-1153-410b-a110-187a5b56af81/sv-benchmarks/c/pthread-divine/barrier_3t.i[32135,32148] [2022-11-03 03:30:30,944 WARN L230 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_9891537f-1153-410b-a110-187a5b56af81/sv-benchmarks/c/pthread-divine/barrier_3t.i[32182,32195] [2022-11-03 03:30:30,947 WARN L230 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_9891537f-1153-410b-a110-187a5b56af81/sv-benchmarks/c/pthread-divine/barrier_3t.i[32291,32304] [2022-11-03 03:30:30,951 WARN L230 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_9891537f-1153-410b-a110-187a5b56af81/sv-benchmarks/c/pthread-divine/barrier_3t.i[32410,32423] [2022-11-03 03:30:30,952 WARN L230 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_9891537f-1153-410b-a110-187a5b56af81/sv-benchmarks/c/pthread-divine/barrier_3t.i[32458,32471] [2022-11-03 03:30:30,953 WARN L230 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_9891537f-1153-410b-a110-187a5b56af81/sv-benchmarks/c/pthread-divine/barrier_3t.i[32535,32548] [2022-11-03 03:30:30,955 WARN L230 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_9891537f-1153-410b-a110-187a5b56af81/sv-benchmarks/c/pthread-divine/barrier_3t.i[32661,32674] [2022-11-03 03:30:30,962 WARN L230 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_9891537f-1153-410b-a110-187a5b56af81/sv-benchmarks/c/pthread-divine/barrier_3t.i[33244,33257] [2022-11-03 03:30:30,963 WARN L230 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_9891537f-1153-410b-a110-187a5b56af81/sv-benchmarks/c/pthread-divine/barrier_3t.i[33321,33334] [2022-11-03 03:30:30,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:30:30,998 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:30:30,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:30:30 WrapperNode [2022-11-03 03:30:30,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:30:31,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:30:31,000 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:30:31,000 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:30:31,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:30:30" (1/1) ... [2022-11-03 03:30:31,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:30:30" (1/1) ... [2022-11-03 03:30:31,107 INFO L138 Inliner]: procedures = 174, calls = 83, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 955 [2022-11-03 03:30:31,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:30:31,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:30:31,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:30:31,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:30:31,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:30:30" (1/1) ... [2022-11-03 03:30:31,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:30:30" (1/1) ... [2022-11-03 03:30:31,167 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:30:30" (1/1) ... [2022-11-03 03:30:31,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:30:30" (1/1) ... [2022-11-03 03:30:31,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:30:30" (1/1) ... [2022-11-03 03:30:31,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:30:30" (1/1) ... [2022-11-03 03:30:31,323 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:30:30" (1/1) ... [2022-11-03 03:30:31,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:30:30" (1/1) ... [2022-11-03 03:30:31,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:30:31,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:30:31,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:30:31,348 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:30:31,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:30:30" (1/1) ... [2022-11-03 03:30:31,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:30:31,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9891537f-1153-410b-a110-187a5b56af81/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:30:31,393 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9891537f-1153-410b-a110-187a5b56af81/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:30:31,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9891537f-1153-410b-a110-187a5b56af81/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:30:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:30:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:30:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-03 03:30:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure worker_fn [2022-11-03 03:30:31,460 INFO L138 BoogieDeclarations]: Found implementation of procedure worker_fn [2022-11-03 03:30:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:30:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:30:31,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:30:31,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:30:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:30:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:30:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:30:31,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:30:31,465 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-03 03:30:31,672 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:30:31,674 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:30:33,309 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:30:33,322 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:30:33,323 INFO L300 CfgBuilder]: Removed 20 assume(true) statements. [2022-11-03 03:30:33,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:30:33 BoogieIcfgContainer [2022-11-03 03:30:33,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:30:33,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:30:33,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:30:33,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:30:33,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:30:30" (1/3) ... [2022-11-03 03:30:33,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@217a8116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:30:33, skipping insertion in model container [2022-11-03 03:30:33,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:30:30" (2/3) ... [2022-11-03 03:30:33,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@217a8116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:30:33, skipping insertion in model container [2022-11-03 03:30:33,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:30:33" (3/3) ... [2022-11-03 03:30:33,336 INFO L112 eAbstractionObserver]: Analyzing ICFG barrier_3t.i [2022-11-03 03:30:33,346 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-03 03:30:33,357 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:30:33,357 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 98 error locations. [2022-11-03 03:30:33,358 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-03 03:30:33,633 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-03 03:30:33,713 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 03:30:33,734 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1023 places, 1090 transitions, 2188 flow [2022-11-03 03:30:33,740 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 1023 places, 1090 transitions, 2188 flow [2022-11-03 03:30:33,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1023 places, 1090 transitions, 2188 flow [2022-11-03 03:30:34,824 INFO L130 PetriNetUnfolder]: 106/1598 cut-off events. [2022-11-03 03:30:34,824 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-03 03:30:34,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1604 conditions, 1598 events. 106/1598 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 6079 event pairs, 0 based on Foata normal form. 0/1344 useless extension candidates. Maximal degree in co-relation 964. Up to 4 conditions per place. [2022-11-03 03:30:35,156 INFO L118 LiptonReduction]: Number of co-enabled transitions 463628 [2022-11-03 03:33:30,662 WARN L234 SmtUtils]: Spent 5.94s on a formula simplification that was a NOOP. DAG size: 123 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 03:34:07,379 WARN L234 SmtUtils]: Spent 20.07s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 03:34:20,096 WARN L234 SmtUtils]: Spent 12.71s on a formula simplification that was a NOOP. DAG size: 153 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 03:34:49,452 WARN L234 SmtUtils]: Spent 29.35s on a formula simplification that was a NOOP. DAG size: 167 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 03:35:11,093 WARN L234 SmtUtils]: Spent 21.64s on a formula simplification that was a NOOP. DAG size: 159 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 03:35:11,632 INFO L133 LiptonReduction]: Checked pairs total: 3163362 [2022-11-03 03:35:11,633 INFO L135 LiptonReduction]: Total number of compositions: 700 [2022-11-03 03:35:11,643 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 542 places, 585 transitions, 1178 flow [2022-11-03 03:35:13,769 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 70425 states, 68121 states have (on average 2.2270078243126203) internal successors, (151706), 70424 states have internal predecessors, (151706), 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) [2022-11-03 03:35:13,790 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:35:13,812 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;@35611d6a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:35:13,827 INFO L358 AbstractCegarLoop]: Starting to check reachability of 143 error locations. [2022-11-03 03:35:14,182 INFO L276 IsEmpty]: Start isEmpty. Operand has 70425 states, 68121 states have (on average 2.2270078243126203) internal successors, (151706), 70424 states have internal predecessors, (151706), 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) [2022-11-03 03:35:14,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-03 03:35:14,187 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:14,187 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2022-11-03 03:35:14,188 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 140 more)] === [2022-11-03 03:35:14,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:14,208 INFO L85 PathProgramCache]: Analyzing trace with hash 116969, now seen corresponding path program 1 times [2022-11-03 03:35:14,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:35:14,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119196891] [2022-11-03 03:35:14,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:14,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:35:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:14,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:35:14,671 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:35:14,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119196891] [2022-11-03 03:35:14,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119196891] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:14,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:14,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-03 03:35:14,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862653984] [2022-11-03 03:35:14,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:14,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 03:35:14,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:35:14,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 03:35:14,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 03:35:14,871 INFO L87 Difference]: Start difference. First operand has 70425 states, 68121 states have (on average 2.2270078243126203) internal successors, (151706), 70424 states have internal predecessors, (151706), 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 2.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-11-03 03:35:16,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:16,623 INFO L93 Difference]: Finished difference Result 70418 states and 146663 transitions. [2022-11-03 03:35:16,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 03:35:16,627 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 2.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2 [2022-11-03 03:35:16,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:17,420 INFO L225 Difference]: With dead ends: 70418 [2022-11-03 03:35:17,420 INFO L226 Difference]: Without dead ends: 70416 [2022-11-03 03:35:17,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 03:35:17,429 INFO L413 NwaCegarLoop]: 348 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:17,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 348 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-03 03:35:17,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70416 states. [2022-11-03 03:35:20,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70416 to 70416. [2022-11-03 03:35:20,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70416 states, 68121 states have (on average 2.152933750238546) internal successors, (146660), 70415 states have internal predecessors, (146660), 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) [2022-11-03 03:35:21,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70416 states to 70416 states and 146660 transitions. [2022-11-03 03:35:21,654 INFO L78 Accepts]: Start accepts. Automaton has 70416 states and 146660 transitions. Word has length 2 [2022-11-03 03:35:21,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:21,655 INFO L495 AbstractCegarLoop]: Abstraction has 70416 states and 146660 transitions. [2022-11-03 03:35:21,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 2.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-11-03 03:35:21,661 INFO L276 IsEmpty]: Start isEmpty. Operand 70416 states and 146660 transitions. [2022-11-03 03:35:21,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-03 03:35:21,662 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:21,662 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2022-11-03 03:35:21,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:35:21,663 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 140 more)] === [2022-11-03 03:35:21,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:21,664 INFO L85 PathProgramCache]: Analyzing trace with hash 2047754045, now seen corresponding path program 1 times [2022-11-03 03:35:21,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:35:21,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133346313] [2022-11-03 03:35:21,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:21,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:35:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:21,851 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 03:35:21,852 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:35:21,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133346313] [2022-11-03 03:35:21,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133346313] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:35:21,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:35:21,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 03:35:21,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678361878] [2022-11-03 03:35:21,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:35:21,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:35:21,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:35:21,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:35:21,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:35:21,857 INFO L87 Difference]: Start difference. First operand 70416 states and 146660 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-03 03:35:23,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:23,723 INFO L93 Difference]: Finished difference Result 70417 states and 146661 transitions. [2022-11-03 03:35:23,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:35:23,724 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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 7 [2022-11-03 03:35:23,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:24,244 INFO L225 Difference]: With dead ends: 70417 [2022-11-03 03:35:24,244 INFO L226 Difference]: Without dead ends: 70417 [2022-11-03 03:35:24,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:35:24,251 INFO L413 NwaCegarLoop]: 348 mSDtfsCounter, 0 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:24,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 696 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-03 03:35:24,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70417 states. [2022-11-03 03:35:26,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70417 to 70417. [2022-11-03 03:35:26,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70417 states, 68122 states have (on average 2.1529168256950766) internal successors, (146661), 70416 states have internal predecessors, (146661), 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) [2022-11-03 03:35:26,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70417 states to 70417 states and 146661 transitions. [2022-11-03 03:35:26,369 INFO L78 Accepts]: Start accepts. Automaton has 70417 states and 146661 transitions. Word has length 7 [2022-11-03 03:35:26,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:26,369 INFO L495 AbstractCegarLoop]: Abstraction has 70417 states and 146661 transitions. [2022-11-03 03:35:26,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2022-11-03 03:35:26,370 INFO L276 IsEmpty]: Start isEmpty. Operand 70417 states and 146661 transitions. [2022-11-03 03:35:26,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-03 03:35:26,370 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:26,371 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-03 03:35:26,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:35:26,371 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 140 more)] === [2022-11-03 03:35:26,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:26,372 INFO L85 PathProgramCache]: Analyzing trace with hash 63068568, now seen corresponding path program 1 times [2022-11-03 03:35:26,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:35:26,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749524347] [2022-11-03 03:35:26,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:26,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:35:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:26,869 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 03:35:26,870 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:35:26,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749524347] [2022-11-03 03:35:26,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749524347] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:35:26,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [179791646] [2022-11-03 03:35:26,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:26,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:35:26,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9891537f-1153-410b-a110-187a5b56af81/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:35:26,895 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9891537f-1153-410b-a110-187a5b56af81/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:35:26,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9891537f-1153-410b-a110-187a5b56af81/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 03:35:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:35:27,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 03:35:27,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:35:27,118 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 03:35:27,118 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:35:27,136 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 03:35:27,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [179791646] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:35:27,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1681402082] [2022-11-03 03:35:27,149 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1621) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-03 03:35:27,163 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:35:27,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 4 [2022-11-03 03:35:27,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229893226] [2022-11-03 03:35:27,164 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 03:35:27,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:35:27,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:35:27,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:35:27,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:35:27,165 INFO L87 Difference]: Start difference. First operand 70417 states and 146661 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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) [2022-11-03 03:35:28,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:35:28,785 INFO L93 Difference]: Finished difference Result 70419 states and 146663 transitions. [2022-11-03 03:35:28,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:35:28,786 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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 8 [2022-11-03 03:35:28,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:35:29,329 INFO L225 Difference]: With dead ends: 70419 [2022-11-03 03:35:29,329 INFO L226 Difference]: Without dead ends: 70419 [2022-11-03 03:35:29,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:35:29,331 INFO L413 NwaCegarLoop]: 348 mSDtfsCounter, 0 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 696 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:35:29,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 696 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-03 03:35:29,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70419 states. [2022-11-03 03:35:30,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70419 to 70419. [2022-11-03 03:35:30,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70419 states, 68124 states have (on average 2.152882978098761) internal successors, (146663), 70418 states have internal predecessors, (146663), 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) [2022-11-03 03:35:30,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70419 states to 70419 states and 146663 transitions. [2022-11-03 03:35:30,962 INFO L78 Accepts]: Start accepts. Automaton has 70419 states and 146663 transitions. Word has length 8 [2022-11-03 03:35:30,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:35:30,962 INFO L495 AbstractCegarLoop]: Abstraction has 70419 states and 146663 transitions. [2022-11-03 03:35:30,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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) [2022-11-03 03:35:30,963 INFO L276 IsEmpty]: Start isEmpty. Operand 70419 states and 146663 transitions. [2022-11-03 03:35:30,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-03 03:35:30,963 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:35:30,963 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1] [2022-11-03 03:35:30,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9891537f-1153-410b-a110-187a5b56af81/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 03:35:31,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9891537f-1153-410b-a110-187a5b56af81/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:35:31,179 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 140 more)] === [2022-11-03 03:35:31,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:35:31,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1649903048, now seen corresponding path program 2 times [2022-11-03 03:35:31,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:35:31,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624111142] [2022-11-03 03:35:31,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:35:31,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:35:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 03:35:31,285 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 03:35:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 03:35:31,393 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 03:35:31,394 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 03:35:31,395 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (142 of 143 remaining) [2022-11-03 03:35:31,397 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (141 of 143 remaining) [2022-11-03 03:35:31,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (140 of 143 remaining) [2022-11-03 03:35:31,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (139 of 143 remaining) [2022-11-03 03:35:31,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (138 of 143 remaining) [2022-11-03 03:35:31,398 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (137 of 143 remaining) [2022-11-03 03:35:31,399 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (136 of 143 remaining) [2022-11-03 03:35:31,399 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (135 of 143 remaining) [2022-11-03 03:35:31,399 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (134 of 143 remaining) [2022-11-03 03:35:31,399 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (133 of 143 remaining) [2022-11-03 03:35:31,399 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (132 of 143 remaining) [2022-11-03 03:35:31,400 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (131 of 143 remaining) [2022-11-03 03:35:31,400 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (130 of 143 remaining) [2022-11-03 03:35:31,400 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (129 of 143 remaining) [2022-11-03 03:35:31,400 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (128 of 143 remaining) [2022-11-03 03:35:31,401 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (127 of 143 remaining) [2022-11-03 03:35:31,401 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (126 of 143 remaining) [2022-11-03 03:35:31,401 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (125 of 143 remaining) [2022-11-03 03:35:31,401 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (124 of 143 remaining) [2022-11-03 03:35:31,401 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (123 of 143 remaining) [2022-11-03 03:35:31,402 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (122 of 143 remaining) [2022-11-03 03:35:31,402 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (121 of 143 remaining) [2022-11-03 03:35:31,402 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (120 of 143 remaining) [2022-11-03 03:35:31,402 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (119 of 143 remaining) [2022-11-03 03:35:31,403 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (118 of 143 remaining) [2022-11-03 03:35:31,403 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (117 of 143 remaining) [2022-11-03 03:35:31,403 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (116 of 143 remaining) [2022-11-03 03:35:31,403 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (115 of 143 remaining) [2022-11-03 03:35:31,403 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (114 of 143 remaining) [2022-11-03 03:35:31,404 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (113 of 143 remaining) [2022-11-03 03:35:31,404 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (112 of 143 remaining) [2022-11-03 03:35:31,404 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (111 of 143 remaining) [2022-11-03 03:35:31,404 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (110 of 143 remaining) [2022-11-03 03:35:31,404 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (109 of 143 remaining) [2022-11-03 03:35:31,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (108 of 143 remaining) [2022-11-03 03:35:31,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (107 of 143 remaining) [2022-11-03 03:35:31,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (106 of 143 remaining) [2022-11-03 03:35:31,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONDATA_RACE (105 of 143 remaining) [2022-11-03 03:35:31,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE (104 of 143 remaining) [2022-11-03 03:35:31,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE (103 of 143 remaining) [2022-11-03 03:35:31,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE (102 of 143 remaining) [2022-11-03 03:35:31,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONDATA_RACE (101 of 143 remaining) [2022-11-03 03:35:31,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE (100 of 143 remaining) [2022-11-03 03:35:31,407 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONDATA_RACE (99 of 143 remaining) [2022-11-03 03:35:31,407 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE (98 of 143 remaining) [2022-11-03 03:35:31,408 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONDATA_RACE (97 of 143 remaining) [2022-11-03 03:35:31,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONDATA_RACE (96 of 143 remaining) [2022-11-03 03:35:31,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONDATA_RACE (95 of 143 remaining) [2022-11-03 03:35:31,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONDATA_RACE (94 of 143 remaining) [2022-11-03 03:35:31,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONDATA_RACE (93 of 143 remaining) [2022-11-03 03:35:31,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONDATA_RACE (92 of 143 remaining) [2022-11-03 03:35:31,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONDATA_RACE (91 of 143 remaining) [2022-11-03 03:35:31,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONDATA_RACE (90 of 143 remaining) [2022-11-03 03:35:31,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONDATA_RACE (89 of 143 remaining) [2022-11-03 03:35:31,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONDATA_RACE (88 of 143 remaining) [2022-11-03 03:35:31,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr0ASSERT_VIOLATIONDATA_RACE (87 of 143 remaining) [2022-11-03 03:35:31,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr1ASSERT_VIOLATIONDATA_RACE (86 of 143 remaining) [2022-11-03 03:35:31,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr2ASSERT_VIOLATIONDATA_RACE (85 of 143 remaining) [2022-11-03 03:35:31,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr4ASSERT_VIOLATIONDATA_RACE (84 of 143 remaining) [2022-11-03 03:35:31,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr3ASSERT_VIOLATIONDATA_RACE (83 of 143 remaining) [2022-11-03 03:35:31,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr5ASSERT_VIOLATIONDATA_RACE (82 of 143 remaining) [2022-11-03 03:35:31,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr6ASSERT_VIOLATIONDATA_RACE (81 of 143 remaining) [2022-11-03 03:35:31,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr7ASSERT_VIOLATIONDATA_RACE (80 of 143 remaining) [2022-11-03 03:35:31,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr8ASSERT_VIOLATIONDATA_RACE (79 of 143 remaining) [2022-11-03 03:35:31,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr9ASSERT_VIOLATIONDATA_RACE (78 of 143 remaining) [2022-11-03 03:35:31,413 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr14ASSERT_VIOLATIONDATA_RACE (77 of 143 remaining) [2022-11-03 03:35:31,413 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr10ASSERT_VIOLATIONDATA_RACE (76 of 143 remaining) [2022-11-03 03:35:31,413 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr15ASSERT_VIOLATIONDATA_RACE (75 of 143 remaining) [2022-11-03 03:35:31,413 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr11ASSERT_VIOLATIONDATA_RACE (74 of 143 remaining) [2022-11-03 03:35:31,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr16ASSERT_VIOLATIONDATA_RACE (73 of 143 remaining) [2022-11-03 03:35:31,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr12ASSERT_VIOLATIONDATA_RACE (72 of 143 remaining) [2022-11-03 03:35:31,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr17ASSERT_VIOLATIONDATA_RACE (71 of 143 remaining) [2022-11-03 03:35:31,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr13ASSERT_VIOLATIONDATA_RACE (70 of 143 remaining) [2022-11-03 03:35:31,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr18ASSERT_VIOLATIONDATA_RACE (69 of 143 remaining) [2022-11-03 03:35:31,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr19ASSERT_VIOLATIONDATA_RACE (68 of 143 remaining) [2022-11-03 03:35:31,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr21ASSERT_VIOLATIONDATA_RACE (67 of 143 remaining) [2022-11-03 03:35:31,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr20ASSERT_VIOLATIONDATA_RACE (66 of 143 remaining) [2022-11-03 03:35:31,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr22ASSERT_VIOLATIONDATA_RACE (65 of 143 remaining) [2022-11-03 03:35:31,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr23ASSERT_VIOLATIONDATA_RACE (64 of 143 remaining) [2022-11-03 03:35:31,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr24ASSERT_VIOLATIONDATA_RACE (63 of 143 remaining) [2022-11-03 03:35:31,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr25ASSERT_VIOLATIONDATA_RACE (62 of 143 remaining) [2022-11-03 03:35:31,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr26ASSERT_VIOLATIONDATA_RACE (61 of 143 remaining) [2022-11-03 03:35:31,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr27ASSERT_VIOLATIONDATA_RACE (60 of 143 remaining) [2022-11-03 03:35:31,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr28ASSERT_VIOLATIONDATA_RACE (59 of 143 remaining) [2022-11-03 03:35:31,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr33ASSERT_VIOLATIONDATA_RACE (58 of 143 remaining) [2022-11-03 03:35:31,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr29ASSERT_VIOLATIONDATA_RACE (57 of 143 remaining) [2022-11-03 03:35:31,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr34ASSERT_VIOLATIONDATA_RACE (56 of 143 remaining) [2022-11-03 03:35:31,420 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr30ASSERT_VIOLATIONDATA_RACE (55 of 143 remaining) [2022-11-03 03:35:31,420 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr35ASSERT_VIOLATIONDATA_RACE (54 of 143 remaining) [2022-11-03 03:35:31,424 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr31ASSERT_VIOLATIONDATA_RACE (53 of 143 remaining) [2022-11-03 03:35:31,424 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr36ASSERT_VIOLATIONDATA_RACE (52 of 143 remaining) [2022-11-03 03:35:31,425 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr32ASSERT_VIOLATIONDATA_RACE (51 of 143 remaining) [2022-11-03 03:35:31,426 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr37ASSERT_VIOLATIONDATA_RACE (50 of 143 remaining) [2022-11-03 03:35:31,426 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr38ASSERT_VIOLATIONDATA_RACE (49 of 143 remaining) [2022-11-03 03:35:31,426 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr39ASSERT_VIOLATIONDATA_RACE (48 of 143 remaining) [2022-11-03 03:35:31,426 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr40ASSERT_VIOLATIONDATA_RACE (47 of 143 remaining) [2022-11-03 03:35:31,426 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr43ASSERT_VIOLATIONDATA_RACE (46 of 143 remaining) [2022-11-03 03:35:31,427 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr41ASSERT_VIOLATIONDATA_RACE (45 of 143 remaining) [2022-11-03 03:35:31,427 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr42ASSERT_VIOLATIONDATA_RACE (44 of 143 remaining) [2022-11-03 03:35:31,427 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr0ASSERT_VIOLATIONDATA_RACE (43 of 143 remaining) [2022-11-03 03:35:31,427 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr1ASSERT_VIOLATIONDATA_RACE (42 of 143 remaining) [2022-11-03 03:35:31,427 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr2ASSERT_VIOLATIONDATA_RACE (41 of 143 remaining) [2022-11-03 03:35:31,428 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr4ASSERT_VIOLATIONDATA_RACE (40 of 143 remaining) [2022-11-03 03:35:31,428 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr3ASSERT_VIOLATIONDATA_RACE (39 of 143 remaining) [2022-11-03 03:35:31,428 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr5ASSERT_VIOLATIONDATA_RACE (38 of 143 remaining) [2022-11-03 03:35:31,428 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr6ASSERT_VIOLATIONDATA_RACE (37 of 143 remaining) [2022-11-03 03:35:31,428 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr7ASSERT_VIOLATIONDATA_RACE (36 of 143 remaining) [2022-11-03 03:35:31,429 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr8ASSERT_VIOLATIONDATA_RACE (35 of 143 remaining) [2022-11-03 03:35:31,429 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr9ASSERT_VIOLATIONDATA_RACE (34 of 143 remaining) [2022-11-03 03:35:31,429 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr14ASSERT_VIOLATIONDATA_RACE (33 of 143 remaining) [2022-11-03 03:35:31,429 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr10ASSERT_VIOLATIONDATA_RACE (32 of 143 remaining) [2022-11-03 03:35:31,429 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr15ASSERT_VIOLATIONDATA_RACE (31 of 143 remaining) [2022-11-03 03:35:31,430 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr11ASSERT_VIOLATIONDATA_RACE (30 of 143 remaining) [2022-11-03 03:35:31,430 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr16ASSERT_VIOLATIONDATA_RACE (29 of 143 remaining) [2022-11-03 03:35:31,430 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr12ASSERT_VIOLATIONDATA_RACE (28 of 143 remaining) [2022-11-03 03:35:31,430 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr17ASSERT_VIOLATIONDATA_RACE (27 of 143 remaining) [2022-11-03 03:35:31,431 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr13ASSERT_VIOLATIONDATA_RACE (26 of 143 remaining) [2022-11-03 03:35:31,431 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr18ASSERT_VIOLATIONDATA_RACE (25 of 143 remaining) [2022-11-03 03:35:31,432 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr19ASSERT_VIOLATIONDATA_RACE (24 of 143 remaining) [2022-11-03 03:35:31,432 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr21ASSERT_VIOLATIONDATA_RACE (23 of 143 remaining) [2022-11-03 03:35:31,432 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr20ASSERT_VIOLATIONDATA_RACE (22 of 143 remaining) [2022-11-03 03:35:31,432 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr22ASSERT_VIOLATIONDATA_RACE (21 of 143 remaining) [2022-11-03 03:35:31,432 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr23ASSERT_VIOLATIONDATA_RACE (20 of 143 remaining) [2022-11-03 03:35:31,433 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr24ASSERT_VIOLATIONDATA_RACE (19 of 143 remaining) [2022-11-03 03:35:31,433 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr25ASSERT_VIOLATIONDATA_RACE (18 of 143 remaining) [2022-11-03 03:35:31,433 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr26ASSERT_VIOLATIONDATA_RACE (17 of 143 remaining) [2022-11-03 03:35:31,433 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr27ASSERT_VIOLATIONDATA_RACE (16 of 143 remaining) [2022-11-03 03:35:31,433 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr28ASSERT_VIOLATIONDATA_RACE (15 of 143 remaining) [2022-11-03 03:35:31,434 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr33ASSERT_VIOLATIONDATA_RACE (14 of 143 remaining) [2022-11-03 03:35:31,434 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr29ASSERT_VIOLATIONDATA_RACE (13 of 143 remaining) [2022-11-03 03:35:31,434 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr34ASSERT_VIOLATIONDATA_RACE (12 of 143 remaining) [2022-11-03 03:35:31,434 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr30ASSERT_VIOLATIONDATA_RACE (11 of 143 remaining) [2022-11-03 03:35:31,434 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr35ASSERT_VIOLATIONDATA_RACE (10 of 143 remaining) [2022-11-03 03:35:31,435 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr31ASSERT_VIOLATIONDATA_RACE (9 of 143 remaining) [2022-11-03 03:35:31,435 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr36ASSERT_VIOLATIONDATA_RACE (8 of 143 remaining) [2022-11-03 03:35:31,435 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr32ASSERT_VIOLATIONDATA_RACE (7 of 143 remaining) [2022-11-03 03:35:31,435 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr37ASSERT_VIOLATIONDATA_RACE (6 of 143 remaining) [2022-11-03 03:35:31,436 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr38ASSERT_VIOLATIONDATA_RACE (5 of 143 remaining) [2022-11-03 03:35:31,436 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr39ASSERT_VIOLATIONDATA_RACE (4 of 143 remaining) [2022-11-03 03:35:31,436 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr40ASSERT_VIOLATIONDATA_RACE (3 of 143 remaining) [2022-11-03 03:35:31,436 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr43ASSERT_VIOLATIONDATA_RACE (2 of 143 remaining) [2022-11-03 03:35:31,436 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr41ASSERT_VIOLATIONDATA_RACE (1 of 143 remaining) [2022-11-03 03:35:31,436 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr42ASSERT_VIOLATIONDATA_RACE (0 of 143 remaining) [2022-11-03 03:35:31,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:35:31,439 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2022-11-03 03:35:31,441 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-03 03:35:31,441 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-03 03:35:32,034 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-03 03:35:32,050 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-03 03:35:32,050 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1447 places, 1543 transitions, 3104 flow [2022-11-03 03:35:32,051 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 1447 places, 1543 transitions, 3104 flow [2022-11-03 03:35:32,051 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1447 places, 1543 transitions, 3104 flow [2022-11-03 03:35:33,916 INFO L130 PetriNetUnfolder]: 179/2618 cut-off events. [2022-11-03 03:35:33,916 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-03 03:35:34,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2632 conditions, 2618 events. 179/2618 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 13392 event pairs, 0 based on Foata normal form. 0/2196 useless extension candidates. Maximal degree in co-relation 1600. Up to 8 conditions per place. [2022-11-03 03:35:34,959 INFO L118 LiptonReduction]: Number of co-enabled transitions 1343980 [2022-11-03 03:40:38,661 WARN L234 SmtUtils]: Spent 5.41s on a formula simplification that was a NOOP. DAG size: 105 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 03:41:46,178 WARN L234 SmtUtils]: Spent 58.66s on a formula simplification. DAG size of input: 169 DAG size of output: 161 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 03:42:06,850 WARN L234 SmtUtils]: Spent 20.67s on a formula simplification that was a NOOP. DAG size: 153 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 03:43:08,466 WARN L234 SmtUtils]: Spent 1.03m on a formula simplification. DAG size of input: 175 DAG size of output: 167 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 03:43:25,545 WARN L234 SmtUtils]: Spent 17.08s on a formula simplification that was a NOOP. DAG size: 159 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-03 03:43:25,679 INFO L133 LiptonReduction]: Checked pairs total: 7702097 [2022-11-03 03:43:25,679 INFO L135 LiptonReduction]: Total number of compositions: 956 [2022-11-03 03:43:25,681 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 802 places, 867 transitions, 1752 flow