./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a 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_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cb8c1938cc441082517c5681097f5f6483a36107a8ec46d723b101297930909d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:51:46,919 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:51:46,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:51:46,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:51:46,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:51:46,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:51:46,962 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:51:46,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:51:46,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:51:46,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:51:46,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:51:46,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:51:46,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:51:46,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:51:46,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:51:46,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:51:46,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:51:46,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:51:46,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:51:47,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:51:47,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:51:47,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:51:47,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:51:47,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:51:47,018 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:51:47,019 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:51:47,019 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:51:47,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:51:47,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:51:47,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:51:47,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:51:47,025 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:51:47,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:51:47,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:51:47,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:51:47,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:51:47,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:51:47,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:51:47,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:51:47,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:51:47,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:51:47,034 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-26 00:51:47,072 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:51:47,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:51:47,073 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:51:47,073 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:51:47,074 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:51:47,074 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:51:47,074 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:51:47,074 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:51:47,074 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:51:47,074 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:51:47,075 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:51:47,075 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:51:47,075 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:51:47,075 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:51:47,075 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:51:47,076 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:51:47,076 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:51:47,076 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:51:47,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:51:47,077 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:51:47,077 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:51:47,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:51:47,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:51:47,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:51:47,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:51:47,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:51:47,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:51:47,078 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-26 00:51:47,078 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:51:47,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:51:47,079 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:51:47,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:51:47,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:51:47,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:51:47,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:51:47,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:51:47,080 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:51:47,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:51:47,080 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:51:47,080 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:51:47,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:51:47,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:51:47,081 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:51:47,081 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_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb8c1938cc441082517c5681097f5f6483a36107a8ec46d723b101297930909d [2022-11-26 00:51:47,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:51:47,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:51:47,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:51:47,398 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:51:47,399 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:51:47,400 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2022-11-26 00:51:50,515 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:51:50,772 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:51:50,777 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2022-11-26 00:51:50,799 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/data/9053c647f/02cb6e0b16d14354819e3090dcc15515/FLAGad7ce1aab [2022-11-26 00:51:50,816 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/data/9053c647f/02cb6e0b16d14354819e3090dcc15515 [2022-11-26 00:51:50,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:51:50,823 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:51:50,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:51:50,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:51:50,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:51:50,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:51:50" (1/1) ... [2022-11-26 00:51:50,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ec59fd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:51:50, skipping insertion in model container [2022-11-26 00:51:50,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:51:50" (1/1) ... [2022-11-26 00:51:50,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:51:50,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:51:51,334 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i[31163,31176] [2022-11-26 00:51:51,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:51:51,351 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:51:51,394 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i[31163,31176] [2022-11-26 00:51:51,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:51:51,431 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:51:51,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:51:51 WrapperNode [2022-11-26 00:51:51,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:51:51,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:51:51,433 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:51:51,433 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:51:51,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:51:51" (1/1) ... [2022-11-26 00:51:51,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:51:51" (1/1) ... [2022-11-26 00:51:51,493 INFO L138 Inliner]: procedures = 177, calls = 47, calls flagged for inlining = 16, calls inlined = 19, statements flattened = 319 [2022-11-26 00:51:51,495 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:51:51,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:51:51,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:51:51,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:51:51,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:51:51" (1/1) ... [2022-11-26 00:51:51,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:51:51" (1/1) ... [2022-11-26 00:51:51,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:51:51" (1/1) ... [2022-11-26 00:51:51,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:51:51" (1/1) ... [2022-11-26 00:51:51,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:51:51" (1/1) ... [2022-11-26 00:51:51,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:51:51" (1/1) ... [2022-11-26 00:51:51,569 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:51:51" (1/1) ... [2022-11-26 00:51:51,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:51:51" (1/1) ... [2022-11-26 00:51:51,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:51:51,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:51:51,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:51:51,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:51:51,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:51:51" (1/1) ... [2022-11-26 00:51:51,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:51:51,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:51:51,631 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:51:51,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:51:51,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:51:51,678 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-26 00:51:51,679 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-26 00:51:51,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:51:51,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:51:51,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:51:51,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:51:51,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:51:51,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:51:51,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:51:51,681 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-26 00:51:51,823 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:51:51,825 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:51:52,528 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:51:52,934 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:51:52,935 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-26 00:51:52,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:51:52 BoogieIcfgContainer [2022-11-26 00:51:52,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:51:52,942 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:51:52,942 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:51:52,945 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:51:52,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:51:50" (1/3) ... [2022-11-26 00:51:52,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@528d577c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:51:52, skipping insertion in model container [2022-11-26 00:51:52,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:51:51" (2/3) ... [2022-11-26 00:51:52,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@528d577c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:51:52, skipping insertion in model container [2022-11-26 00:51:52,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:51:52" (3/3) ... [2022-11-26 00:51:52,951 INFO L112 eAbstractionObserver]: Analyzing ICFG 26_stack_cas_longer-2.i [2022-11-26 00:51:52,961 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-26 00:51:52,972 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:51:52,972 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2022-11-26 00:51:52,972 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-26 00:51:53,111 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-26 00:51:53,157 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-26 00:51:53,177 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 184 places, 191 transitions, 387 flow [2022-11-26 00:51:53,180 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 184 places, 191 transitions, 387 flow [2022-11-26 00:51:53,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 184 places, 191 transitions, 387 flow [2022-11-26 00:51:53,299 INFO L130 PetriNetUnfolder]: 11/202 cut-off events. [2022-11-26 00:51:53,302 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-26 00:51:53,310 INFO L83 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 202 events. 11/202 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 256 event pairs, 0 based on Foata normal form. 0/163 useless extension candidates. Maximal degree in co-relation 164. Up to 4 conditions per place. [2022-11-26 00:51:53,314 INFO L119 LiptonReduction]: Number of co-enabled transitions 4228 [2022-11-26 00:52:28,284 WARN L233 SmtUtils]: Spent 5.18s on a formula simplification. DAG size of input: 119 DAG size of output: 107 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:52:39,374 INFO L134 LiptonReduction]: Checked pairs total: 5383 [2022-11-26 00:52:39,374 INFO L136 LiptonReduction]: Total number of compositions: 243 [2022-11-26 00:52:39,381 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 48 transitions, 101 flow [2022-11-26 00:52:39,404 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 187 states, 134 states have (on average 2.671641791044776) internal successors, (358), 186 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:52:39,423 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:52:39,435 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;@7d52b898, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:52:39,436 INFO L358 AbstractCegarLoop]: Starting to check reachability of 53 error locations. [2022-11-26 00:52:39,442 INFO L276 IsEmpty]: Start isEmpty. Operand has 187 states, 134 states have (on average 2.671641791044776) internal successors, (358), 186 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:52:39,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-26 00:52:39,449 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:52:39,450 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-26 00:52:39,451 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2022-11-26 00:52:39,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:52:39,463 INFO L85 PathProgramCache]: Analyzing trace with hash 40865212, now seen corresponding path program 1 times [2022-11-26 00:52:39,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:52:39,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366488796] [2022-11-26 00:52:39,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:52:39,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:52:39,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:52:39,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:52:39,704 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:52:39,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366488796] [2022-11-26 00:52:39,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366488796] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:52:39,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:52:39,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-26 00:52:39,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876232483] [2022-11-26 00:52:39,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:52:39,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 00:52:39,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:52:39,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 00:52:39,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:52:39,744 INFO L87 Difference]: Start difference. First operand has 187 states, 134 states have (on average 2.671641791044776) internal successors, (358), 186 states have internal predecessors, (358), 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 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:52:39,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:52:39,942 INFO L93 Difference]: Finished difference Result 47 states and 92 transitions. [2022-11-26 00:52:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 00:52:39,945 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2022-11-26 00:52:39,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:52:39,952 INFO L225 Difference]: With dead ends: 47 [2022-11-26 00:52:39,953 INFO L226 Difference]: Without dead ends: 47 [2022-11-26 00:52:39,954 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 [2022-11-26 00:52:39,959 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:52:39,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:52:39,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-26 00:52:40,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-11-26 00:52:40,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 2.0) internal successors, (92), 46 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:52:40,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 92 transitions. [2022-11-26 00:52:40,009 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 92 transitions. Word has length 4 [2022-11-26 00:52:40,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:52:40,010 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 92 transitions. [2022-11-26 00:52:40,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:52:40,010 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 92 transitions. [2022-11-26 00:52:40,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-26 00:52:40,011 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:52:40,011 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2022-11-26 00:52:40,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:52:40,012 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2022-11-26 00:52:40,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:52:40,013 INFO L85 PathProgramCache]: Analyzing trace with hash 616815626, now seen corresponding path program 1 times [2022-11-26 00:52:40,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:52:40,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494316956] [2022-11-26 00:52:40,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:52:40,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:52:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:52:40,069 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-26 00:52:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:52:40,127 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-26 00:52:40,127 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-26 00:52:40,129 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 53 remaining) [2022-11-26 00:52:40,131 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (51 of 53 remaining) [2022-11-26 00:52:40,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (50 of 53 remaining) [2022-11-26 00:52:40,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (49 of 53 remaining) [2022-11-26 00:52:40,133 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (48 of 53 remaining) [2022-11-26 00:52:40,135 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (47 of 53 remaining) [2022-11-26 00:52:40,135 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (46 of 53 remaining) [2022-11-26 00:52:40,141 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (45 of 53 remaining) [2022-11-26 00:52:40,141 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (44 of 53 remaining) [2022-11-26 00:52:40,142 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (43 of 53 remaining) [2022-11-26 00:52:40,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (42 of 53 remaining) [2022-11-26 00:52:40,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (41 of 53 remaining) [2022-11-26 00:52:40,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (40 of 53 remaining) [2022-11-26 00:52:40,143 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (39 of 53 remaining) [2022-11-26 00:52:40,144 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (38 of 53 remaining) [2022-11-26 00:52:40,144 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (37 of 53 remaining) [2022-11-26 00:52:40,144 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (36 of 53 remaining) [2022-11-26 00:52:40,144 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (35 of 53 remaining) [2022-11-26 00:52:40,145 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (34 of 53 remaining) [2022-11-26 00:52:40,146 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (33 of 53 remaining) [2022-11-26 00:52:40,146 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (32 of 53 remaining) [2022-11-26 00:52:40,146 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (31 of 53 remaining) [2022-11-26 00:52:40,146 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (30 of 53 remaining) [2022-11-26 00:52:40,147 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (29 of 53 remaining) [2022-11-26 00:52:40,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (28 of 53 remaining) [2022-11-26 00:52:40,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (27 of 53 remaining) [2022-11-26 00:52:40,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (26 of 53 remaining) [2022-11-26 00:52:40,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (25 of 53 remaining) [2022-11-26 00:52:40,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (24 of 53 remaining) [2022-11-26 00:52:40,153 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (23 of 53 remaining) [2022-11-26 00:52:40,153 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (22 of 53 remaining) [2022-11-26 00:52:40,153 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (21 of 53 remaining) [2022-11-26 00:52:40,153 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (20 of 53 remaining) [2022-11-26 00:52:40,154 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (19 of 53 remaining) [2022-11-26 00:52:40,154 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (18 of 53 remaining) [2022-11-26 00:52:40,154 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (17 of 53 remaining) [2022-11-26 00:52:40,154 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (16 of 53 remaining) [2022-11-26 00:52:40,155 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (15 of 53 remaining) [2022-11-26 00:52:40,155 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (14 of 53 remaining) [2022-11-26 00:52:40,157 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (13 of 53 remaining) [2022-11-26 00:52:40,157 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (12 of 53 remaining) [2022-11-26 00:52:40,158 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (11 of 53 remaining) [2022-11-26 00:52:40,158 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (10 of 53 remaining) [2022-11-26 00:52:40,158 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (9 of 53 remaining) [2022-11-26 00:52:40,158 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (8 of 53 remaining) [2022-11-26 00:52:40,159 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (7 of 53 remaining) [2022-11-26 00:52:40,159 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (6 of 53 remaining) [2022-11-26 00:52:40,159 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (5 of 53 remaining) [2022-11-26 00:52:40,159 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (4 of 53 remaining) [2022-11-26 00:52:40,160 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (3 of 53 remaining) [2022-11-26 00:52:40,160 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (2 of 53 remaining) [2022-11-26 00:52:40,160 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (1 of 53 remaining) [2022-11-26 00:52:40,161 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (0 of 53 remaining) [2022-11-26 00:52:40,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:52:40,163 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-26 00:52:40,165 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-26 00:52:40,165 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-26 00:52:40,274 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-26 00:52:40,284 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-26 00:52:40,284 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 329 places, 343 transitions, 698 flow [2022-11-26 00:52:40,285 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 329 places, 343 transitions, 698 flow [2022-11-26 00:52:40,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 329 places, 343 transitions, 698 flow [2022-11-26 00:52:40,405 INFO L130 PetriNetUnfolder]: 21/367 cut-off events. [2022-11-26 00:52:40,405 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-26 00:52:40,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 377 conditions, 367 events. 21/367 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1001 event pairs, 0 based on Foata normal form. 0/291 useless extension candidates. Maximal degree in co-relation 315. Up to 6 conditions per place. [2022-11-26 00:52:40,437 INFO L119 LiptonReduction]: Number of co-enabled transitions 54360 [2022-11-26 00:57:38,181 INFO L134 LiptonReduction]: Checked pairs total: 403093 [2022-11-26 00:57:38,182 INFO L136 LiptonReduction]: Total number of compositions: 361 [2022-11-26 00:57:38,183 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 168 places, 177 transitions, 366 flow [2022-11-26 00:57:39,723 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 37368 states, 35885 states have (on average 3.0993729970739863) internal successors, (111221), 37367 states have internal predecessors, (111221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:57:39,740 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:57:39,742 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;@7d52b898, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:57:39,742 INFO L358 AbstractCegarLoop]: Starting to check reachability of 79 error locations. [2022-11-26 00:57:39,893 INFO L276 IsEmpty]: Start isEmpty. Operand has 37368 states, 35885 states have (on average 3.0993729970739863) internal successors, (111221), 37367 states have internal predecessors, (111221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:57:39,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-26 00:57:39,893 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:39,894 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-26 00:57:39,896 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2022-11-26 00:57:39,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:39,899 INFO L85 PathProgramCache]: Analyzing trace with hash 65791240, now seen corresponding path program 1 times [2022-11-26 00:57:39,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:39,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543735368] [2022-11-26 00:57:39,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:39,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:39,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:57:39,964 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:39,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543735368] [2022-11-26 00:57:39,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543735368] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:39,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:39,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-26 00:57:39,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091759443] [2022-11-26 00:57:39,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:39,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 00:57:39,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:39,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 00:57:39,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 00:57:40,065 INFO L87 Difference]: Start difference. First operand has 37368 states, 35885 states have (on average 3.0993729970739863) internal successors, (111221), 37367 states have internal predecessors, (111221), 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 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:57:40,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:40,951 INFO L93 Difference]: Finished difference Result 20419 states and 59519 transitions. [2022-11-26 00:57:40,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 00:57:40,951 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2022-11-26 00:57:40,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:41,181 INFO L225 Difference]: With dead ends: 20419 [2022-11-26 00:57:41,182 INFO L226 Difference]: Without dead ends: 20419 [2022-11-26 00:57:41,182 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 [2022-11-26 00:57:41,184 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:41,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-26 00:57:41,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20419 states. [2022-11-26 00:57:42,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20419 to 20419. [2022-11-26 00:57:42,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20419 states, 20275 states have (on average 2.9355856966707767) internal successors, (59519), 20418 states have internal predecessors, (59519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:57:42,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20419 states to 20419 states and 59519 transitions. [2022-11-26 00:57:42,201 INFO L78 Accepts]: Start accepts. Automaton has 20419 states and 59519 transitions. Word has length 4 [2022-11-26 00:57:42,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:42,201 INFO L495 AbstractCegarLoop]: Abstraction has 20419 states and 59519 transitions. [2022-11-26 00:57:42,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:57:42,202 INFO L276 IsEmpty]: Start isEmpty. Operand 20419 states and 59519 transitions. [2022-11-26 00:57:42,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-26 00:57:42,202 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:42,202 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-26 00:57:42,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:57:42,203 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2022-11-26 00:57:42,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:42,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1199072853, now seen corresponding path program 1 times [2022-11-26 00:57:42,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:42,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710365227] [2022-11-26 00:57:42,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:42,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:57:42,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:57:42,328 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:57:42,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710365227] [2022-11-26 00:57:42,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710365227] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:57:42,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:57:42,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:57:42,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890140037] [2022-11-26 00:57:42,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:57:42,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:57:42,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:57:42,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:57:42,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:57:42,330 INFO L87 Difference]: Start difference. First operand 20419 states and 59519 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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) [2022-11-26 00:57:43,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:57:43,880 INFO L93 Difference]: Finished difference Result 38974 states and 113696 transitions. [2022-11-26 00:57:43,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:57:43,881 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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 6 [2022-11-26 00:57:43,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:57:44,352 INFO L225 Difference]: With dead ends: 38974 [2022-11-26 00:57:44,352 INFO L226 Difference]: Without dead ends: 38974 [2022-11-26 00:57:44,352 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 [2022-11-26 00:57:44,353 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 134 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:57:44,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 150 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-26 00:57:44,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38974 states. [2022-11-26 00:57:45,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38974 to 20765. [2022-11-26 00:57:45,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20765 states, 20624 states have (on average 2.9577676493405742) internal successors, (61001), 20764 states have internal predecessors, (61001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:57:45,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20765 states to 20765 states and 61001 transitions. [2022-11-26 00:57:45,543 INFO L78 Accepts]: Start accepts. Automaton has 20765 states and 61001 transitions. Word has length 6 [2022-11-26 00:57:45,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:57:45,544 INFO L495 AbstractCegarLoop]: Abstraction has 20765 states and 61001 transitions. [2022-11-26 00:57:45,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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) [2022-11-26 00:57:45,544 INFO L276 IsEmpty]: Start isEmpty. Operand 20765 states and 61001 transitions. [2022-11-26 00:57:45,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-26 00:57:45,547 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:57:45,547 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-26 00:57:45,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:57:45,548 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2022-11-26 00:57:45,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:57:45,548 INFO L85 PathProgramCache]: Analyzing trace with hash -2053636224, now seen corresponding path program 1 times [2022-11-26 00:57:45,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:57:45,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431513314] [2022-11-26 00:57:45,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:57:45,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:57:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:57:45,583 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-26 00:57:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:57:45,610 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-26 00:57:45,615 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-26 00:57:45,615 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (78 of 79 remaining) [2022-11-26 00:57:45,616 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (77 of 79 remaining) [2022-11-26 00:57:45,616 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (76 of 79 remaining) [2022-11-26 00:57:45,616 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (75 of 79 remaining) [2022-11-26 00:57:45,616 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (74 of 79 remaining) [2022-11-26 00:57:45,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (73 of 79 remaining) [2022-11-26 00:57:45,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (72 of 79 remaining) [2022-11-26 00:57:45,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (71 of 79 remaining) [2022-11-26 00:57:45,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (70 of 79 remaining) [2022-11-26 00:57:45,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (69 of 79 remaining) [2022-11-26 00:57:45,618 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (68 of 79 remaining) [2022-11-26 00:57:45,618 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (67 of 79 remaining) [2022-11-26 00:57:45,618 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (66 of 79 remaining) [2022-11-26 00:57:45,618 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (65 of 79 remaining) [2022-11-26 00:57:45,618 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (64 of 79 remaining) [2022-11-26 00:57:45,619 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (63 of 79 remaining) [2022-11-26 00:57:45,619 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (62 of 79 remaining) [2022-11-26 00:57:45,619 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (61 of 79 remaining) [2022-11-26 00:57:45,619 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (60 of 79 remaining) [2022-11-26 00:57:45,619 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (59 of 79 remaining) [2022-11-26 00:57:45,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (58 of 79 remaining) [2022-11-26 00:57:45,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (57 of 79 remaining) [2022-11-26 00:57:45,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (56 of 79 remaining) [2022-11-26 00:57:45,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (55 of 79 remaining) [2022-11-26 00:57:45,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (54 of 79 remaining) [2022-11-26 00:57:45,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (53 of 79 remaining) [2022-11-26 00:57:45,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (52 of 79 remaining) [2022-11-26 00:57:45,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (51 of 79 remaining) [2022-11-26 00:57:45,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (50 of 79 remaining) [2022-11-26 00:57:45,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (49 of 79 remaining) [2022-11-26 00:57:45,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (48 of 79 remaining) [2022-11-26 00:57:45,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (47 of 79 remaining) [2022-11-26 00:57:45,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (46 of 79 remaining) [2022-11-26 00:57:45,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (45 of 79 remaining) [2022-11-26 00:57:45,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (44 of 79 remaining) [2022-11-26 00:57:45,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (43 of 79 remaining) [2022-11-26 00:57:45,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (42 of 79 remaining) [2022-11-26 00:57:45,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (41 of 79 remaining) [2022-11-26 00:57:45,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (40 of 79 remaining) [2022-11-26 00:57:45,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (39 of 79 remaining) [2022-11-26 00:57:45,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (38 of 79 remaining) [2022-11-26 00:57:45,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (37 of 79 remaining) [2022-11-26 00:57:45,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (36 of 79 remaining) [2022-11-26 00:57:45,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (35 of 79 remaining) [2022-11-26 00:57:45,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (34 of 79 remaining) [2022-11-26 00:57:45,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (33 of 79 remaining) [2022-11-26 00:57:45,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (32 of 79 remaining) [2022-11-26 00:57:45,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (31 of 79 remaining) [2022-11-26 00:57:45,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (30 of 79 remaining) [2022-11-26 00:57:45,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (29 of 79 remaining) [2022-11-26 00:57:45,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (28 of 79 remaining) [2022-11-26 00:57:45,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (27 of 79 remaining) [2022-11-26 00:57:45,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (26 of 79 remaining) [2022-11-26 00:57:45,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (25 of 79 remaining) [2022-11-26 00:57:45,629 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (24 of 79 remaining) [2022-11-26 00:57:45,629 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (23 of 79 remaining) [2022-11-26 00:57:45,629 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (22 of 79 remaining) [2022-11-26 00:57:45,629 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (21 of 79 remaining) [2022-11-26 00:57:45,629 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (20 of 79 remaining) [2022-11-26 00:57:45,630 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (19 of 79 remaining) [2022-11-26 00:57:45,630 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (18 of 79 remaining) [2022-11-26 00:57:45,630 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (17 of 79 remaining) [2022-11-26 00:57:45,630 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (16 of 79 remaining) [2022-11-26 00:57:45,630 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (15 of 79 remaining) [2022-11-26 00:57:45,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (14 of 79 remaining) [2022-11-26 00:57:45,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (13 of 79 remaining) [2022-11-26 00:57:45,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (12 of 79 remaining) [2022-11-26 00:57:45,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (11 of 79 remaining) [2022-11-26 00:57:45,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (10 of 79 remaining) [2022-11-26 00:57:45,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (9 of 79 remaining) [2022-11-26 00:57:45,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (8 of 79 remaining) [2022-11-26 00:57:45,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (7 of 79 remaining) [2022-11-26 00:57:45,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (6 of 79 remaining) [2022-11-26 00:57:45,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (5 of 79 remaining) [2022-11-26 00:57:45,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (4 of 79 remaining) [2022-11-26 00:57:45,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (3 of 79 remaining) [2022-11-26 00:57:45,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (2 of 79 remaining) [2022-11-26 00:57:45,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (1 of 79 remaining) [2022-11-26 00:57:45,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (0 of 79 remaining) [2022-11-26 00:57:45,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:57:45,634 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-26 00:57:45,634 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-26 00:57:45,634 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-11-26 00:57:45,738 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-26 00:57:45,743 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-26 00:57:45,744 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 474 places, 495 transitions, 1011 flow [2022-11-26 00:57:45,744 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 474 places, 495 transitions, 1011 flow [2022-11-26 00:57:45,744 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 474 places, 495 transitions, 1011 flow [2022-11-26 00:57:46,043 INFO L130 PetriNetUnfolder]: 31/532 cut-off events. [2022-11-26 00:57:46,043 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-11-26 00:57:46,058 INFO L83 FinitePrefix]: Finished finitePrefix Result has 548 conditions, 532 events. 31/532 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1955 event pairs, 0 based on Foata normal form. 0/419 useless extension candidates. Maximal degree in co-relation 466. Up to 8 conditions per place. [2022-11-26 00:57:46,102 INFO L119 LiptonReduction]: Number of co-enabled transitions 150396 [2022-11-26 00:57:58,636 WARN L233 SmtUtils]: Spent 6.32s on a formula simplification. DAG size of input: 106 DAG size of output: 93 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:58:09,051 WARN L233 SmtUtils]: Spent 6.84s on a formula simplification. DAG size of input: 109 DAG size of output: 97 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:58:32,962 WARN L233 SmtUtils]: Spent 5.66s on a formula simplification. DAG size of input: 106 DAG size of output: 93 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 00:58:43,265 WARN L233 SmtUtils]: Spent 7.13s on a formula simplification. DAG size of input: 109 DAG size of output: 97 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:01:34,623 WARN L230 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-11-26 01:01:34,624 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:139) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.checkImplication(TransFormulaUtils.java:1164) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.performInclusionCheck(SemanticIndependenceRelation.java:186) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:141) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.isIndependent(SemanticIndependenceRelation.java:119) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.isIndependent(SemanticIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.UnionIndependenceRelation.isIndependent(UnionIndependenceRelation.java:73) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.CachedIndependenceRelation.isIndependent(CachedIndependenceRelation.java:113) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.lambda$0(LiptonReduction.java:454) at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90) at java.base/java.util.HashMap$KeySpliterator.tryAdvance(HashMap.java:1642) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.allMatch(ReferencePipeline.java:533) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.isLeftMover(LiptonReduction.java:454) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.sequenceRuleCheck(LiptonReduction.java:409) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.sequenceRule(LiptonReduction.java:312) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.(LiptonReduction.java:129) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.petrinetlbe.PetriNetLargeBlockEncoding.(PetriNetLargeBlockEncoding.java:133) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.PetriLbeInitialAbstractionProvider.getInitialAbstraction(PetriLbeInitialAbstractionProvider.java:95) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.PetriLbeInitialAbstractionProvider.getInitialAbstraction(PetriLbeInitialAbstractionProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.Petri2FiniteAutomatonAbstractionProvider$Eager.getInitialAbstraction(Petri2FiniteAutomatonAbstractionProvider.java:148) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.Petri2FiniteAutomatonAbstractionProvider$Eager.getInitialAbstraction(Petri2FiniteAutomatonAbstractionProvider.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopFactory.constructInitialAbstraction(CegarLoopFactory.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopFactory.createAutomataAbstraction(CegarLoopFactory.java:248) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopFactory.createFiniteAutomataCegarLoop(CegarLoopFactory.java:220) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopFactory.constructCegarLoop(CegarLoopFactory.java:172) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 52 more [2022-11-26 01:01:34,627 INFO L158 Benchmark]: Toolchain (without parser) took 583804.46ms. Allocated memory was 146.8MB in the beginning and 3.5GB in the end (delta: 3.4GB). Free memory was 101.1MB in the beginning and 2.7GB in the end (delta: -2.6GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2022-11-26 01:01:34,628 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 146.8MB. Free memory is still 118.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:01:34,628 INFO L158 Benchmark]: CACSL2BoogieTranslator took 604.32ms. Allocated memory is still 146.8MB. Free memory was 101.1MB in the beginning and 79.6MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-26 01:01:34,628 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.64ms. Allocated memory is still 146.8MB. Free memory was 79.6MB in the beginning and 75.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 01:01:34,628 INFO L158 Benchmark]: Boogie Preprocessor took 85.59ms. Allocated memory is still 146.8MB. Free memory was 75.4MB in the beginning and 72.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 01:01:34,629 INFO L158 Benchmark]: RCFGBuilder took 1357.46ms. Allocated memory was 146.8MB in the beginning and 201.3MB in the end (delta: 54.5MB). Free memory was 72.3MB in the beginning and 105.6MB in the end (delta: -33.3MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2022-11-26 01:01:34,629 INFO L158 Benchmark]: TraceAbstraction took 581685.08ms. Allocated memory was 201.3MB in the beginning and 3.5GB in the end (delta: 3.3GB). Free memory was 105.6MB in the beginning and 2.7GB in the end (delta: -2.6GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2022-11-26 01:01:34,630 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2022-11-26 01:01:34,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 146.8MB. Free memory is still 118.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 604.32ms. Allocated memory is still 146.8MB. Free memory was 101.1MB in the beginning and 79.6MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.64ms. Allocated memory is still 146.8MB. Free memory was 79.6MB in the beginning and 75.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.59ms. Allocated memory is still 146.8MB. Free memory was 75.4MB in the beginning and 72.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1357.46ms. Allocated memory was 146.8MB in the beginning and 201.3MB in the end (delta: 54.5MB). Free memory was 72.3MB in the beginning and 105.6MB in the end (delta: -33.3MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * TraceAbstraction took 581685.08ms. Allocated memory was 201.3MB in the beginning and 3.5GB in the end (delta: 3.3GB). Free memory was 105.6MB in the beginning and 2.7GB in the end (delta: -2.6GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 46.2s, 184 PlacesBefore, 45 PlacesAfterwards, 191 TransitionsBefore, 48 TransitionsAfterwards, 4228 CoEnabledTransitionPairs, 10 FixpointIterations, 24 TrivialSequentialCompositions, 197 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 18 ConcurrentYvCompositions, 4 ChoiceCompositions, 243 TotalNumberOfCompositions, 5383 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4097, independent: 3925, independent conditional: 0, independent unconditional: 3925, dependent: 142, dependent conditional: 0, dependent unconditional: 142, unknown: 30, unknown conditional: 0, unknown unconditional: 30] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2785, independent: 2738, independent conditional: 0, independent unconditional: 2738, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2785, independent: 2705, independent conditional: 0, independent unconditional: 2705, dependent: 80, dependent conditional: 0, dependent unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 80, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , SemanticIndependenceRelation.Query Time [ms]: [ total: 14837, independent: 82, independent conditional: 0, independent unconditional: 82, dependent: 370, dependent conditional: 0, dependent unconditional: 370, unknown: 14385, unknown conditional: 0, unknown unconditional: 14385] ], Cache Queries: [ total: 4097, independent: 1187, independent conditional: 0, independent unconditional: 1187, dependent: 101, dependent conditional: 0, dependent unconditional: 101, unknown: 2809, unknown conditional: 0, unknown unconditional: 2809] , Statistics on independence cache: Total cache size (in pairs): 71, Positive cache size: 61, Positive conditional cache size: 0, Positive unconditional cache size: 61, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 2, Unknown conditional cache size: 0, Unknown unconditional cache size: 2 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 297.9s, 329 PlacesBefore, 168 PlacesAfterwards, 343 TransitionsBefore, 177 TransitionsAfterwards, 54360 CoEnabledTransitionPairs, 14 FixpointIterations, 24 TrivialSequentialCompositions, 296 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 36 ConcurrentYvCompositions, 5 ChoiceCompositions, 361 TotalNumberOfCompositions, 403093 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 116188, independent: 112530, independent conditional: 0, independent unconditional: 112530, dependent: 2945, dependent conditional: 0, dependent unconditional: 2945, unknown: 713, unknown conditional: 0, unknown unconditional: 713] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 42165, independent: 41685, independent conditional: 0, independent unconditional: 41685, dependent: 377, dependent conditional: 0, dependent unconditional: 377, unknown: 103, unknown conditional: 0, unknown unconditional: 103] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 42165, independent: 36914, independent conditional: 0, independent unconditional: 36914, dependent: 5251, dependent conditional: 0, dependent unconditional: 5251, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5251, independent: 4771, independent conditional: 0, independent unconditional: 4771, dependent: 377, dependent conditional: 0, dependent unconditional: 377, unknown: 103, unknown conditional: 0, unknown unconditional: 103] , SemanticIndependenceRelation.Query Time [ms]: [ total: 275008, independent: 10422, independent conditional: 0, independent unconditional: 10422, dependent: 6608, dependent conditional: 0, dependent unconditional: 6608, unknown: 257979, unknown conditional: 0, unknown unconditional: 257979] ], Cache Queries: [ total: 116188, independent: 70845, independent conditional: 0, independent unconditional: 70845, dependent: 2568, dependent conditional: 0, dependent unconditional: 2568, unknown: 42775, unknown conditional: 0, unknown unconditional: 42775] , Statistics on independence cache: Total cache size (in pairs): 6295, Positive cache size: 6066, Positive conditional cache size: 0, Positive unconditional cache size: 6066, Negative cache size: 229, Negative conditional cache size: 0, Negative unconditional cache size: 229, Unknown cache size: 66, Unknown conditional cache size: 0, Unknown unconditional cache size: 66 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cb8c1938cc441082517c5681097f5f6483a36107a8ec46d723b101297930909d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 01:01:36,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:01:36,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:01:36,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:01:36,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:01:36,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:01:36,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:01:37,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:01:37,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:01:37,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:01:37,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:01:37,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:01:37,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:01:37,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:01:37,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:01:37,020 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:01:37,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:01:37,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:01:37,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:01:37,031 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:01:37,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:01:37,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:01:37,040 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:01:37,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:01:37,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:01:37,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:01:37,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:01:37,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:01:37,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:01:37,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:01:37,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:01:37,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:01:37,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:01:37,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:01:37,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:01:37,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:01:37,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:01:37,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:01:37,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:01:37,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:01:37,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:01:37,069 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2022-11-26 01:01:37,115 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:01:37,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:01:37,116 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:01:37,117 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:01:37,118 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:01:37,118 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:01:37,119 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:01:37,119 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:01:37,119 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:01:37,120 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:01:37,121 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:01:37,121 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:01:37,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:01:37,122 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 01:01:37,123 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 01:01:37,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 01:01:37,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:01:37,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:01:37,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:01:37,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:01:37,125 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-26 01:01:37,125 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 01:01:37,125 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 01:01:37,125 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 01:01:37,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:01:37,126 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:01:37,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:01:37,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:01:37,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 01:01:37,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:01:37,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:01:37,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:01:37,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:01:37,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:01:37,129 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 01:01:37,129 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 01:01:37,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:01:37,130 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:01:37,130 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 01:01:37,131 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb8c1938cc441082517c5681097f5f6483a36107a8ec46d723b101297930909d [2022-11-26 01:01:37,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:01:37,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:01:37,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:01:37,526 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:01:37,526 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:01:37,528 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2022-11-26 01:01:40,823 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:01:41,097 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:01:41,098 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i [2022-11-26 01:01:41,120 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/data/df63c4b8e/0b0abc6f6b2441bb8970755fe7c62e93/FLAG23214f220 [2022-11-26 01:01:41,138 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/data/df63c4b8e/0b0abc6f6b2441bb8970755fe7c62e93 [2022-11-26 01:01:41,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:01:41,141 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:01:41,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:01:41,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:01:41,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:01:41,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:01:41" (1/1) ... [2022-11-26 01:01:41,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e66cbc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:41, skipping insertion in model container [2022-11-26 01:01:41,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:01:41" (1/1) ... [2022-11-26 01:01:41,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:01:41,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:01:41,553 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i[31163,31176] [2022-11-26 01:01:41,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:01:41,574 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 01:01:41,651 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/sv-benchmarks/c/pthread-ext/26_stack_cas_longer-2.i[31163,31176] [2022-11-26 01:01:41,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:01:41,721 INFO L208 MainTranslator]: Completed translation [2022-11-26 01:01:41,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:41 WrapperNode [2022-11-26 01:01:41,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:01:41,723 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 01:01:41,723 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 01:01:41,724 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 01:01:41,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:41" (1/1) ... [2022-11-26 01:01:41,767 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:41" (1/1) ... [2022-11-26 01:01:41,829 INFO L138 Inliner]: procedures = 181, calls = 47, calls flagged for inlining = 16, calls inlined = 19, statements flattened = 316 [2022-11-26 01:01:41,830 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 01:01:41,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 01:01:41,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 01:01:41,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 01:01:41,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:41" (1/1) ... [2022-11-26 01:01:41,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:41" (1/1) ... [2022-11-26 01:01:41,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:41" (1/1) ... [2022-11-26 01:01:41,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:41" (1/1) ... [2022-11-26 01:01:41,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:41" (1/1) ... [2022-11-26 01:01:41,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:41" (1/1) ... [2022-11-26 01:01:41,928 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:41" (1/1) ... [2022-11-26 01:01:41,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:41" (1/1) ... [2022-11-26 01:01:41,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 01:01:41,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 01:01:41,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 01:01:41,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 01:01:41,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:41" (1/1) ... [2022-11-26 01:01:41,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:01:41,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:01:41,985 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 01:01:42,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 01:01:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-26 01:01:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-26 01:01:42,044 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-26 01:01:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 01:01:42,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 01:01:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 01:01:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-26 01:01:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-26 01:01:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-26 01:01:42,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 01:01:42,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 01:01:42,047 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-26 01:01:42,251 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 01:01:42,253 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 01:01:43,084 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 01:01:43,536 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 01:01:43,536 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-26 01:01:43,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:01:43 BoogieIcfgContainer [2022-11-26 01:01:43,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 01:01:43,541 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 01:01:43,541 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 01:01:43,544 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 01:01:43,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 01:01:41" (1/3) ... [2022-11-26 01:01:43,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4afdf4a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:01:43, skipping insertion in model container [2022-11-26 01:01:43,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:41" (2/3) ... [2022-11-26 01:01:43,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4afdf4a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:01:43, skipping insertion in model container [2022-11-26 01:01:43,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:01:43" (3/3) ... [2022-11-26 01:01:43,548 INFO L112 eAbstractionObserver]: Analyzing ICFG 26_stack_cas_longer-2.i [2022-11-26 01:01:43,556 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-26 01:01:43,564 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 01:01:43,564 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2022-11-26 01:01:43,564 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-26 01:01:43,724 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-26 01:01:43,774 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-26 01:01:43,802 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 182 places, 189 transitions, 383 flow [2022-11-26 01:01:43,804 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 182 places, 189 transitions, 383 flow [2022-11-26 01:01:43,806 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 182 places, 189 transitions, 383 flow [2022-11-26 01:01:43,923 INFO L130 PetriNetUnfolder]: 11/200 cut-off events. [2022-11-26 01:01:43,924 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-26 01:01:43,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 205 conditions, 200 events. 11/200 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 258 event pairs, 0 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 161. Up to 4 conditions per place. [2022-11-26 01:01:43,936 INFO L119 LiptonReduction]: Number of co-enabled transitions 4144 [2022-11-26 01:02:07,488 WARN L233 SmtUtils]: Spent 8.19s on a formula simplification. DAG size of input: 63 DAG size of output: 58 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:02:44,488 INFO L134 LiptonReduction]: Checked pairs total: 4811 [2022-11-26 01:02:44,488 INFO L136 LiptonReduction]: Total number of compositions: 226 [2022-11-26 01:02:44,504 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47 places, 51 transitions, 107 flow [2022-11-26 01:02:44,527 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 197 states, 144 states have (on average 2.6458333333333335) internal successors, (381), 196 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:44,545 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 01:02:44,550 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;@c88499b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 01:02:44,550 INFO L358 AbstractCegarLoop]: Starting to check reachability of 53 error locations. [2022-11-26 01:02:44,553 INFO L276 IsEmpty]: Start isEmpty. Operand has 197 states, 144 states have (on average 2.6458333333333335) internal successors, (381), 196 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:44,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-26 01:02:44,558 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:02:44,558 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-26 01:02:44,559 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err4ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2022-11-26 01:02:44,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:02:44,564 INFO L85 PathProgramCache]: Analyzing trace with hash 40145293, now seen corresponding path program 1 times [2022-11-26 01:02:44,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:02:44,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [743176816] [2022-11-26 01:02:44,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:44,578 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:02:44,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:02:44,584 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 01:02:44,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-26 01:02:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:02:44,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-26 01:02:44,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:02:44,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:02:44,718 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:02:44,718 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:02:44,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [743176816] [2022-11-26 01:02:44,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [743176816] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:02:44,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:02:44,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-26 01:02:44,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600340888] [2022-11-26 01:02:44,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:02:44,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 01:02:44,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:02:44,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 01:02:44,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 01:02:44,753 INFO L87 Difference]: Start difference. First operand has 197 states, 144 states have (on average 2.6458333333333335) internal successors, (381), 196 states have internal predecessors, (381), 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 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:44,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:02:44,927 INFO L93 Difference]: Finished difference Result 55 states and 110 transitions. [2022-11-26 01:02:44,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 01:02:44,930 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2022-11-26 01:02:44,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:02:44,937 INFO L225 Difference]: With dead ends: 55 [2022-11-26 01:02:44,937 INFO L226 Difference]: Without dead ends: 55 [2022-11-26 01:02:44,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 01:02:44,941 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 01:02:44,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 01:02:44,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-11-26 01:02:44,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2022-11-26 01:02:44,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 2.037037037037037) internal successors, (110), 54 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:44,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 110 transitions. [2022-11-26 01:02:44,976 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 110 transitions. Word has length 4 [2022-11-26 01:02:44,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:02:44,976 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 110 transitions. [2022-11-26 01:02:44,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:02:44,976 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 110 transitions. [2022-11-26 01:02:44,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-26 01:02:44,977 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:02:44,977 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2022-11-26 01:02:44,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-26 01:02:45,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:02:45,191 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2022-11-26 01:02:45,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:02:45,191 INFO L85 PathProgramCache]: Analyzing trace with hash -75177574, now seen corresponding path program 1 times [2022-11-26 01:02:45,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:02:45,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [394780209] [2022-11-26 01:02:45,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:02:45,192 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:02:45,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:02:45,194 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 01:02:45,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-26 01:02:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 01:02:45,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-26 01:02:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 01:02:45,397 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-26 01:02:45,397 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-26 01:02:45,399 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 53 remaining) [2022-11-26 01:02:45,401 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (51 of 53 remaining) [2022-11-26 01:02:45,401 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (50 of 53 remaining) [2022-11-26 01:02:45,401 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (49 of 53 remaining) [2022-11-26 01:02:45,402 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (48 of 53 remaining) [2022-11-26 01:02:45,402 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (47 of 53 remaining) [2022-11-26 01:02:45,402 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (46 of 53 remaining) [2022-11-26 01:02:45,402 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (45 of 53 remaining) [2022-11-26 01:02:45,402 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (44 of 53 remaining) [2022-11-26 01:02:45,403 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (43 of 53 remaining) [2022-11-26 01:02:45,403 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (42 of 53 remaining) [2022-11-26 01:02:45,403 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (41 of 53 remaining) [2022-11-26 01:02:45,403 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (40 of 53 remaining) [2022-11-26 01:02:45,404 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (39 of 53 remaining) [2022-11-26 01:02:45,404 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (38 of 53 remaining) [2022-11-26 01:02:45,404 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (37 of 53 remaining) [2022-11-26 01:02:45,404 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (36 of 53 remaining) [2022-11-26 01:02:45,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (35 of 53 remaining) [2022-11-26 01:02:45,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (34 of 53 remaining) [2022-11-26 01:02:45,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (33 of 53 remaining) [2022-11-26 01:02:45,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (32 of 53 remaining) [2022-11-26 01:02:45,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (31 of 53 remaining) [2022-11-26 01:02:45,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (30 of 53 remaining) [2022-11-26 01:02:45,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (29 of 53 remaining) [2022-11-26 01:02:45,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (28 of 53 remaining) [2022-11-26 01:02:45,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (27 of 53 remaining) [2022-11-26 01:02:45,407 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (26 of 53 remaining) [2022-11-26 01:02:45,407 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (25 of 53 remaining) [2022-11-26 01:02:45,407 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (24 of 53 remaining) [2022-11-26 01:02:45,407 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (23 of 53 remaining) [2022-11-26 01:02:45,408 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (22 of 53 remaining) [2022-11-26 01:02:45,408 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (21 of 53 remaining) [2022-11-26 01:02:45,408 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (20 of 53 remaining) [2022-11-26 01:02:45,408 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (19 of 53 remaining) [2022-11-26 01:02:45,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (18 of 53 remaining) [2022-11-26 01:02:45,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (17 of 53 remaining) [2022-11-26 01:02:45,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (16 of 53 remaining) [2022-11-26 01:02:45,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (15 of 53 remaining) [2022-11-26 01:02:45,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (14 of 53 remaining) [2022-11-26 01:02:45,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (13 of 53 remaining) [2022-11-26 01:02:45,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (12 of 53 remaining) [2022-11-26 01:02:45,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (11 of 53 remaining) [2022-11-26 01:02:45,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (10 of 53 remaining) [2022-11-26 01:02:45,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (9 of 53 remaining) [2022-11-26 01:02:45,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (8 of 53 remaining) [2022-11-26 01:02:45,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (7 of 53 remaining) [2022-11-26 01:02:45,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (6 of 53 remaining) [2022-11-26 01:02:45,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (5 of 53 remaining) [2022-11-26 01:02:45,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (4 of 53 remaining) [2022-11-26 01:02:45,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (3 of 53 remaining) [2022-11-26 01:02:45,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (2 of 53 remaining) [2022-11-26 01:02:45,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (1 of 53 remaining) [2022-11-26 01:02:45,413 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (0 of 53 remaining) [2022-11-26 01:02:45,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-26 01:02:45,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:02:45,628 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-26 01:02:45,630 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-26 01:02:45,630 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-26 01:02:45,794 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-26 01:02:45,805 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-26 01:02:45,806 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 324 places, 338 transitions, 688 flow [2022-11-26 01:02:45,807 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 324 places, 338 transitions, 688 flow [2022-11-26 01:02:45,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 324 places, 338 transitions, 688 flow [2022-11-26 01:02:45,959 INFO L130 PetriNetUnfolder]: 21/362 cut-off events. [2022-11-26 01:02:45,960 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-26 01:02:45,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 372 conditions, 362 events. 21/362 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 986 event pairs, 0 based on Foata normal form. 0/286 useless extension candidates. Maximal degree in co-relation 309. Up to 6 conditions per place. [2022-11-26 01:02:46,015 INFO L119 LiptonReduction]: Number of co-enabled transitions 52392 [2022-11-26 01:03:09,211 WARN L233 SmtUtils]: Spent 9.14s on a formula simplification. DAG size of input: 66 DAG size of output: 58 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:04:30,161 INFO L134 LiptonReduction]: Checked pairs total: 429689 [2022-11-26 01:04:30,161 INFO L136 LiptonReduction]: Total number of compositions: 365 [2022-11-26 01:04:30,163 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 170 places, 179 transitions, 370 flow [2022-11-26 01:04:31,383 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 38321 states, 36838 states have (on average 3.0943319398447255) internal successors, (113989), 38320 states have internal predecessors, (113989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:04:31,385 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 01:04:31,392 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;@c88499b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 01:04:31,392 INFO L358 AbstractCegarLoop]: Starting to check reachability of 79 error locations. [2022-11-26 01:04:31,484 INFO L276 IsEmpty]: Start isEmpty. Operand has 38321 states, 36838 states have (on average 3.0943319398447255) internal successors, (113989), 38320 states have internal predecessors, (113989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:04:31,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-26 01:04:31,486 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:04:31,486 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-26 01:04:31,486 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2022-11-26 01:04:31,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:04:31,489 INFO L85 PathProgramCache]: Analyzing trace with hash 64505287, now seen corresponding path program 1 times [2022-11-26 01:04:31,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:04:31,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [336093576] [2022-11-26 01:04:31,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:04:31,491 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:04:31,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:04:31,500 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 01:04:31,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-26 01:04:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:04:31,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-26 01:04:31,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:04:31,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:04:31,639 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:04:31,639 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:04:31,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [336093576] [2022-11-26 01:04:31,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [336093576] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:04:31,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:04:31,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-26 01:04:31,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469281397] [2022-11-26 01:04:31,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:04:31,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-26 01:04:31,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:04:31,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-26 01:04:31,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 01:04:31,732 INFO L87 Difference]: Start difference. First operand has 38321 states, 36838 states have (on average 3.0943319398447255) internal successors, (113989), 38320 states have internal predecessors, (113989), 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 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:04:32,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:04:32,426 INFO L93 Difference]: Finished difference Result 21063 states and 61359 transitions. [2022-11-26 01:04:32,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-26 01:04:32,427 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2022-11-26 01:04:32,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:04:32,572 INFO L225 Difference]: With dead ends: 21063 [2022-11-26 01:04:32,573 INFO L226 Difference]: Without dead ends: 21063 [2022-11-26 01:04:32,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-26 01:04:32,574 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-26 01:04:32,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-26 01:04:32,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21063 states. [2022-11-26 01:04:33,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21063 to 21063. [2022-11-26 01:04:33,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21063 states, 20919 states have (on average 2.9331708016635596) internal successors, (61359), 21062 states have internal predecessors, (61359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:04:33,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21063 states to 21063 states and 61359 transitions. [2022-11-26 01:04:33,689 INFO L78 Accepts]: Start accepts. Automaton has 21063 states and 61359 transitions. Word has length 4 [2022-11-26 01:04:33,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:04:33,690 INFO L495 AbstractCegarLoop]: Abstraction has 21063 states and 61359 transitions. [2022-11-26 01:04:33,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:04:33,691 INFO L276 IsEmpty]: Start isEmpty. Operand 21063 states and 61359 transitions. [2022-11-26 01:04:33,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-26 01:04:33,693 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:04:33,693 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-26 01:04:33,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-11-26 01:04:33,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:04:33,899 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2022-11-26 01:04:33,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:04:33,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1860092618, now seen corresponding path program 1 times [2022-11-26 01:04:33,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:04:33,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1734327632] [2022-11-26 01:04:33,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:04:33,900 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:04:33,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:04:33,902 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 01:04:33,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-26 01:04:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:04:34,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 01:04:34,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:04:34,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:04:34,065 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:04:34,066 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:04:34,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1734327632] [2022-11-26 01:04:34,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1734327632] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:04:34,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:04:34,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 01:04:34,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197923511] [2022-11-26 01:04:34,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:04:34,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:04:34,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:04:34,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:04:34,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:04:34,071 INFO L87 Difference]: Start difference. First operand 21063 states and 61359 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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) [2022-11-26 01:04:35,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:04:35,111 INFO L93 Difference]: Finished difference Result 40252 states and 117348 transitions. [2022-11-26 01:04:35,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:04:35,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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 6 [2022-11-26 01:04:35,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:04:35,342 INFO L225 Difference]: With dead ends: 40252 [2022-11-26 01:04:35,342 INFO L226 Difference]: Without dead ends: 40252 [2022-11-26 01:04:35,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:04:35,343 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 136 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-26 01:04:35,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 158 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-26 01:04:35,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40252 states. [2022-11-26 01:04:36,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40252 to 21419. [2022-11-26 01:04:36,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21419 states, 21278 states have (on average 2.955117962214494) internal successors, (62879), 21418 states have internal predecessors, (62879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 01:04:36,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21419 states to 21419 states and 62879 transitions. [2022-11-26 01:04:36,356 INFO L78 Accepts]: Start accepts. Automaton has 21419 states and 62879 transitions. Word has length 6 [2022-11-26 01:04:36,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:04:36,356 INFO L495 AbstractCegarLoop]: Abstraction has 21419 states and 62879 transitions. [2022-11-26 01:04:36,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 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) [2022-11-26 01:04:36,357 INFO L276 IsEmpty]: Start isEmpty. Operand 21419 states and 62879 transitions. [2022-11-26 01:04:36,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-26 01:04:36,358 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:04:36,359 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-26 01:04:36,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-26 01:04:36,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:04:36,572 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2022-11-26 01:04:36,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:04:36,573 INFO L85 PathProgramCache]: Analyzing trace with hash 122203197, now seen corresponding path program 1 times [2022-11-26 01:04:36,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:04:36,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1542984727] [2022-11-26 01:04:36,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:04:36,574 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:04:36,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:04:36,750 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 01:04:36,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-26 01:04:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 01:04:36,898 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-26 01:04:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 01:04:36,958 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-26 01:04:36,958 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-26 01:04:36,958 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (78 of 79 remaining) [2022-11-26 01:04:36,958 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (77 of 79 remaining) [2022-11-26 01:04:36,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (76 of 79 remaining) [2022-11-26 01:04:36,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (75 of 79 remaining) [2022-11-26 01:04:36,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (74 of 79 remaining) [2022-11-26 01:04:36,959 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (73 of 79 remaining) [2022-11-26 01:04:36,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (72 of 79 remaining) [2022-11-26 01:04:36,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (71 of 79 remaining) [2022-11-26 01:04:36,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (70 of 79 remaining) [2022-11-26 01:04:36,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (69 of 79 remaining) [2022-11-26 01:04:36,960 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (68 of 79 remaining) [2022-11-26 01:04:36,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (67 of 79 remaining) [2022-11-26 01:04:36,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (66 of 79 remaining) [2022-11-26 01:04:36,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (65 of 79 remaining) [2022-11-26 01:04:36,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (64 of 79 remaining) [2022-11-26 01:04:36,961 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (63 of 79 remaining) [2022-11-26 01:04:36,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (62 of 79 remaining) [2022-11-26 01:04:36,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (61 of 79 remaining) [2022-11-26 01:04:36,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (60 of 79 remaining) [2022-11-26 01:04:36,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (59 of 79 remaining) [2022-11-26 01:04:36,962 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (58 of 79 remaining) [2022-11-26 01:04:36,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (57 of 79 remaining) [2022-11-26 01:04:36,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (56 of 79 remaining) [2022-11-26 01:04:36,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (55 of 79 remaining) [2022-11-26 01:04:36,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (54 of 79 remaining) [2022-11-26 01:04:36,963 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (53 of 79 remaining) [2022-11-26 01:04:36,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (52 of 79 remaining) [2022-11-26 01:04:36,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (51 of 79 remaining) [2022-11-26 01:04:36,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (50 of 79 remaining) [2022-11-26 01:04:36,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (49 of 79 remaining) [2022-11-26 01:04:36,964 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (48 of 79 remaining) [2022-11-26 01:04:36,965 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (47 of 79 remaining) [2022-11-26 01:04:36,965 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (46 of 79 remaining) [2022-11-26 01:04:36,965 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (45 of 79 remaining) [2022-11-26 01:04:36,965 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (44 of 79 remaining) [2022-11-26 01:04:36,965 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (43 of 79 remaining) [2022-11-26 01:04:36,966 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (42 of 79 remaining) [2022-11-26 01:04:36,966 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (41 of 79 remaining) [2022-11-26 01:04:36,966 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (40 of 79 remaining) [2022-11-26 01:04:36,966 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (39 of 79 remaining) [2022-11-26 01:04:36,966 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (38 of 79 remaining) [2022-11-26 01:04:36,967 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (37 of 79 remaining) [2022-11-26 01:04:36,967 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (36 of 79 remaining) [2022-11-26 01:04:36,967 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (35 of 79 remaining) [2022-11-26 01:04:36,967 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (34 of 79 remaining) [2022-11-26 01:04:36,967 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (33 of 79 remaining) [2022-11-26 01:04:36,968 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (32 of 79 remaining) [2022-11-26 01:04:36,968 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (31 of 79 remaining) [2022-11-26 01:04:36,968 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (30 of 79 remaining) [2022-11-26 01:04:36,968 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (29 of 79 remaining) [2022-11-26 01:04:36,968 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (28 of 79 remaining) [2022-11-26 01:04:36,969 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (27 of 79 remaining) [2022-11-26 01:04:36,969 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (26 of 79 remaining) [2022-11-26 01:04:36,969 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (25 of 79 remaining) [2022-11-26 01:04:36,969 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (24 of 79 remaining) [2022-11-26 01:04:36,969 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (23 of 79 remaining) [2022-11-26 01:04:36,970 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (22 of 79 remaining) [2022-11-26 01:04:36,970 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (21 of 79 remaining) [2022-11-26 01:04:36,970 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (20 of 79 remaining) [2022-11-26 01:04:36,970 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (19 of 79 remaining) [2022-11-26 01:04:36,970 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (18 of 79 remaining) [2022-11-26 01:04:36,971 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (17 of 79 remaining) [2022-11-26 01:04:36,971 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (16 of 79 remaining) [2022-11-26 01:04:36,971 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (15 of 79 remaining) [2022-11-26 01:04:36,971 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (14 of 79 remaining) [2022-11-26 01:04:36,971 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (13 of 79 remaining) [2022-11-26 01:04:36,972 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (12 of 79 remaining) [2022-11-26 01:04:36,972 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (11 of 79 remaining) [2022-11-26 01:04:36,972 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (10 of 79 remaining) [2022-11-26 01:04:36,972 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (9 of 79 remaining) [2022-11-26 01:04:36,972 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (8 of 79 remaining) [2022-11-26 01:04:36,973 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (7 of 79 remaining) [2022-11-26 01:04:36,973 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (6 of 79 remaining) [2022-11-26 01:04:36,973 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (5 of 79 remaining) [2022-11-26 01:04:36,973 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (4 of 79 remaining) [2022-11-26 01:04:36,973 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (3 of 79 remaining) [2022-11-26 01:04:36,974 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (2 of 79 remaining) [2022-11-26 01:04:36,974 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (1 of 79 remaining) [2022-11-26 01:04:36,974 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (0 of 79 remaining) [2022-11-26 01:04:36,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-26 01:04:37,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d9876-9cf5-4fc4-a384-d57305498375/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:04:37,183 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-26 01:04:37,184 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-26 01:04:37,184 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-11-26 01:04:37,307 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-26 01:04:37,311 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-26 01:04:37,311 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 466 places, 487 transitions, 995 flow [2022-11-26 01:04:37,312 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 466 places, 487 transitions, 995 flow [2022-11-26 01:04:37,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 466 places, 487 transitions, 995 flow [2022-11-26 01:04:37,581 INFO L130 PetriNetUnfolder]: 31/524 cut-off events. [2022-11-26 01:04:37,582 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-11-26 01:04:37,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 540 conditions, 524 events. 31/524 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1923 event pairs, 0 based on Foata normal form. 0/411 useless extension candidates. Maximal degree in co-relation 457. Up to 8 conditions per place. [2022-11-26 01:04:37,633 INFO L119 LiptonReduction]: Number of co-enabled transitions 144744 [2022-11-26 01:05:09,329 WARN L233 SmtUtils]: Spent 19.75s on a formula simplification. DAG size of input: 116 DAG size of output: 101 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:05:14,405 WARN L233 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 101 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:05:33,457 WARN L233 SmtUtils]: Spent 8.46s on a formula simplification. DAG size of input: 65 DAG size of output: 57 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:05:58,568 WARN L233 SmtUtils]: Spent 12.24s on a formula simplification. DAG size of input: 63 DAG size of output: 61 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-26 01:06:04,686 WARN L233 SmtUtils]: Spent 6.12s on a formula simplification that was a NOOP. DAG size: 61 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)