./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-complex/safestack_relacy.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 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_28e2919e-9483-449c-9367-843d417b5b0a/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e2919e-9483-449c-9367-843d417b5b0a/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e2919e-9483-449c-9367-843d417b5b0a/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e2919e-9483-449c-9367-843d417b5b0a/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-complex/safestack_relacy.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e2919e-9483-449c-9367-843d417b5b0a/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e2919e-9483-449c-9367-843d417b5b0a/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1d61eb304445c3cb39dfadfa4748d680ea5f0f4958f8bc176e8bc3c77c47e674 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 08:59:17,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:59:17,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:59:17,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:59:17,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:59:17,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:59:17,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:59:17,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:59:17,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:59:17,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:59:17,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:59:17,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:59:17,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:59:17,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:59:17,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:59:17,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:59:17,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:59:17,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:59:17,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:59:17,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:59:17,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:59:17,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:59:17,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:59:17,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:59:17,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:59:17,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:59:17,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:59:17,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:59:17,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:59:17,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:59:17,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:59:17,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:59:17,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:59:17,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:59:17,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:59:17,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:59:17,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:59:17,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:59:17,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:59:17,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:59:17,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:59:17,103 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e2919e-9483-449c-9367-843d417b5b0a/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 08:59:17,116 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:59:17,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:59:17,117 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:59:17,117 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:59:17,117 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:59:17,117 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:59:17,117 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:59:17,118 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:59:17,118 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:59:17,118 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:59:17,118 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:59:17,118 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:59:17,118 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:59:17,118 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:59:17,118 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:59:17,119 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:59:17,119 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:59:17,119 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:59:17,119 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:59:17,120 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 08:59:17,120 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:59:17,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:59:17,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 08:59:17,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:59:17,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:59:17,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:59:17,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:59:17,121 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 08:59:17,121 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 08:59:17,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:59:17,121 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:59:17,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:59:17,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:59:17,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:59:17,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:59:17,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:59:17,122 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:59:17,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:59:17,122 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:59:17,122 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:59:17,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:59:17,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:59:17,123 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:59:17,123 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_28e2919e-9483-449c-9367-843d417b5b0a/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e2919e-9483-449c-9367-843d417b5b0a/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d61eb304445c3cb39dfadfa4748d680ea5f0f4958f8bc176e8bc3c77c47e674 [2022-12-14 08:59:17,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:59:17,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:59:17,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:59:17,308 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:59:17,308 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:59:17,309 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e2919e-9483-449c-9367-843d417b5b0a/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-complex/safestack_relacy.i [2022-12-14 08:59:19,870 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:59:20,101 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:59:20,102 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e2919e-9483-449c-9367-843d417b5b0a/sv-benchmarks/c/pthread-complex/safestack_relacy.i [2022-12-14 08:59:20,115 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e2919e-9483-449c-9367-843d417b5b0a/bin/utaipan-gh47qXpMRh/data/05b867b33/30b86491f6c74078868b6a7b236b08f2/FLAGc28e3c603 [2022-12-14 08:59:20,430 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e2919e-9483-449c-9367-843d417b5b0a/bin/utaipan-gh47qXpMRh/data/05b867b33/30b86491f6c74078868b6a7b236b08f2 [2022-12-14 08:59:20,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:59:20,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:59:20,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:59:20,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:59:20,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:59:20,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:59:20" (1/1) ... [2022-12-14 08:59:20,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31f41967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:20, skipping insertion in model container [2022-12-14 08:59:20,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:59:20" (1/1) ... [2022-12-14 08:59:20,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:59:20,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:59:20,950 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:59:20,954 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:59:20,957 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:59:20,959 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:59:20,961 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:59:20,963 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:59:20,965 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:59:20,966 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:59:20,968 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:59:20,969 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:59:20,983 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_28e2919e-9483-449c-9367-843d417b5b0a/sv-benchmarks/c/pthread-complex/safestack_relacy.i[78860,78873] [2022-12-14 08:59:20,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:59:20,994 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:59:21,024 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:59:21,024 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:59:21,025 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:59:21,026 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:59:21,027 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:59:21,028 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:59:21,029 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:59:21,030 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:59:21,031 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 08:59:21,032 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 08:59:21,039 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_28e2919e-9483-449c-9367-843d417b5b0a/sv-benchmarks/c/pthread-complex/safestack_relacy.i[78860,78873] [2022-12-14 08:59:21,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:59:21,131 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:59:21,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:21 WrapperNode [2022-12-14 08:59:21,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:59:21,132 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:59:21,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:59:21,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:59:21,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:21" (1/1) ... [2022-12-14 08:59:21,156 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:21" (1/1) ... [2022-12-14 08:59:21,187 INFO L138 Inliner]: procedures = 481, calls = 74, calls flagged for inlining = 19, calls inlined = 19, statements flattened = 471 [2022-12-14 08:59:21,187 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:59:21,187 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:59:21,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:59:21,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:59:21,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:21" (1/1) ... [2022-12-14 08:59:21,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:21" (1/1) ... [2022-12-14 08:59:21,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:21" (1/1) ... [2022-12-14 08:59:21,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:21" (1/1) ... [2022-12-14 08:59:21,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:21" (1/1) ... [2022-12-14 08:59:21,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:21" (1/1) ... [2022-12-14 08:59:21,230 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:21" (1/1) ... [2022-12-14 08:59:21,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:21" (1/1) ... [2022-12-14 08:59:21,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:59:21,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:59:21,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:59:21,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:59:21,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:21" (1/1) ... [2022-12-14 08:59:21,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:59:21,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e2919e-9483-449c-9367-843d417b5b0a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:59:21,264 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e2919e-9483-449c-9367-843d417b5b0a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:59:21,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e2919e-9483-449c-9367-843d417b5b0a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:59:21,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 08:59:21,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:59:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 08:59:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 08:59:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:59:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2022-12-14 08:59:21,297 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2022-12-14 08:59:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:59:21,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:59:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:59:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 08:59:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:59:21,299 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 08:59:21,545 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:59:21,547 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:59:22,135 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:59:22,358 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:59:22,358 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-12-14 08:59:22,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:59:22 BoogieIcfgContainer [2022-12-14 08:59:22,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:59:22,363 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:59:22,363 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:59:22,366 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:59:22,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:59:20" (1/3) ... [2022-12-14 08:59:22,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22847e49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:59:22, skipping insertion in model container [2022-12-14 08:59:22,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:59:21" (2/3) ... [2022-12-14 08:59:22,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22847e49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:59:22, skipping insertion in model container [2022-12-14 08:59:22,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:59:22" (3/3) ... [2022-12-14 08:59:22,369 INFO L112 eAbstractionObserver]: Analyzing ICFG safestack_relacy.i [2022-12-14 08:59:22,378 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 08:59:22,388 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:59:22,389 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-12-14 08:59:22,389 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 08:59:22,515 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-14 08:59:22,539 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 08:59:22,549 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 337 places, 351 transitions, 710 flow [2022-12-14 08:59:22,551 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 337 places, 351 transitions, 710 flow [2022-12-14 08:59:22,552 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 337 places, 351 transitions, 710 flow [2022-12-14 08:59:22,628 INFO L130 PetriNetUnfolder]: 19/372 cut-off events. [2022-12-14 08:59:22,628 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-14 08:59:22,634 INFO L83 FinitePrefix]: Finished finitePrefix Result has 378 conditions, 372 events. 19/372 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 687 event pairs, 0 based on Foata normal form. 0/317 useless extension candidates. Maximal degree in co-relation 270. Up to 4 conditions per place. [2022-12-14 08:59:22,638 INFO L119 LiptonReduction]: Number of co-enabled transitions 13176 [2022-12-14 09:00:27,485 INFO L134 LiptonReduction]: Checked pairs total: 60094 [2022-12-14 09:00:27,486 INFO L136 LiptonReduction]: Total number of compositions: 533 [2022-12-14 09:00:27,492 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 93 places, 102 transitions, 212 flow [2022-12-14 09:00:27,533 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 940 states, 823 states have (on average 2.321992709599028) internal successors, (1911), 939 states have internal predecessors, (1911), 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) [2022-12-14 09:00:27,546 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:00:27,563 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;@7d64464c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:00:27,563 INFO L358 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2022-12-14 09:00:27,566 INFO L276 IsEmpty]: Start isEmpty. Operand has 940 states, 823 states have (on average 2.321992709599028) internal successors, (1911), 939 states have internal predecessors, (1911), 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) [2022-12-14 09:00:27,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-12-14 09:00:27,569 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:00:27,569 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-12-14 09:00:27,570 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-12-14 09:00:27,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:00:27,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1885, now seen corresponding path program 1 times [2022-12-14 09:00:27,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:00:27,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022717741] [2022-12-14 09:00:27,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:00:27,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:00:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:00:27,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:00:27,708 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:00:27,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022717741] [2022-12-14 09:00:27,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022717741] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:00:27,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:00:27,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-14 09:00:27,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814862012] [2022-12-14 09:00:27,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:00:27,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 09:00:27,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:00:27,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 09:00:27,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 09:00:27,733 INFO L87 Difference]: Start difference. First operand has 940 states, 823 states have (on average 2.321992709599028) internal successors, (1911), 939 states have internal predecessors, (1911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:00:27,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:00:27,909 INFO L93 Difference]: Finished difference Result 663 states and 1330 transitions. [2022-12-14 09:00:27,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 09:00:27,911 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-12-14 09:00:27,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:00:27,921 INFO L225 Difference]: With dead ends: 663 [2022-12-14 09:00:27,921 INFO L226 Difference]: Without dead ends: 661 [2022-12-14 09:00:27,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 09:00:27,924 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:00:27,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 33 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 09:00:27,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2022-12-14 09:00:27,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 661. [2022-12-14 09:00:27,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 634 states have (on average 2.093059936908517) internal successors, (1327), 660 states have internal predecessors, (1327), 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) [2022-12-14 09:00:27,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 1327 transitions. [2022-12-14 09:00:27,975 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 1327 transitions. Word has length 1 [2022-12-14 09:00:27,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:00:27,975 INFO L495 AbstractCegarLoop]: Abstraction has 661 states and 1327 transitions. [2022-12-14 09:00:27,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:00:27,975 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 1327 transitions. [2022-12-14 09:00:27,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 09:00:27,976 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:00:27,976 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2022-12-14 09:00:27,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 09:00:27,976 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-12-14 09:00:27,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:00:27,977 INFO L85 PathProgramCache]: Analyzing trace with hash 683815190, now seen corresponding path program 1 times [2022-12-14 09:00:27,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:00:27,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104823616] [2022-12-14 09:00:27,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:00:27,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:00:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:00:28,152 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 09:00:28,153 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:00:28,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104823616] [2022-12-14 09:00:28,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104823616] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:00:28,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:00:28,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 09:00:28,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943593043] [2022-12-14 09:00:28,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:00:28,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:00:28,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:00:28,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:00:28,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:00:28,155 INFO L87 Difference]: Start difference. First operand 661 states and 1327 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:00:28,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:00:28,387 INFO L93 Difference]: Finished difference Result 662 states and 1328 transitions. [2022-12-14 09:00:28,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:00:28,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-12-14 09:00:28,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:00:28,392 INFO L225 Difference]: With dead ends: 662 [2022-12-14 09:00:28,392 INFO L226 Difference]: Without dead ends: 662 [2022-12-14 09:00:28,392 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 [2022-12-14 09:00:28,393 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:00:28,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 09:00:28,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2022-12-14 09:00:28,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2022-12-14 09:00:28,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 635 states have (on average 2.0913385826771655) internal successors, (1328), 661 states have internal predecessors, (1328), 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) [2022-12-14 09:00:28,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1328 transitions. [2022-12-14 09:00:28,407 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1328 transitions. Word has length 7 [2022-12-14 09:00:28,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:00:28,407 INFO L495 AbstractCegarLoop]: Abstraction has 662 states and 1328 transitions. [2022-12-14 09:00:28,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:00:28,407 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1328 transitions. [2022-12-14 09:00:28,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 09:00:28,407 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:00:28,408 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-12-14 09:00:28,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 09:00:28,408 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-12-14 09:00:28,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:00:28,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1721220369, now seen corresponding path program 1 times [2022-12-14 09:00:28,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:00:28,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895779973] [2022-12-14 09:00:28,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:00:28,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:00:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:00:28,507 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 09:00:28,507 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:00:28,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895779973] [2022-12-14 09:00:28,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895779973] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:00:28,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329484371] [2022-12-14 09:00:28,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:00:28,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:00:28,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e2919e-9483-449c-9367-843d417b5b0a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:00:28,509 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e2919e-9483-449c-9367-843d417b5b0a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:00:28,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e2919e-9483-449c-9367-843d417b5b0a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 09:00:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:00:28,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 09:00:28,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:00:28,667 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 09:00:28,667 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:00:28,687 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 09:00:28,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [329484371] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:00:28,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2056151048] [2022-12-14 09:00:28,696 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1621) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 09:00:28,698 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 09:00:28,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2022-12-14 09:00:28,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687575501] [2022-12-14 09:00:28,698 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 09:00:28,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 09:00:28,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:00:28,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 09:00:28,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2022-12-14 09:00:28,700 INFO L87 Difference]: Start difference. First operand 662 states and 1328 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 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) [2022-12-14 09:00:29,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:00:29,130 INFO L93 Difference]: Finished difference Result 663 states and 1329 transitions. [2022-12-14 09:00:29,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:00:29,131 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 09:00:29,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:00:29,133 INFO L225 Difference]: With dead ends: 663 [2022-12-14 09:00:29,133 INFO L226 Difference]: Without dead ends: 663 [2022-12-14 09:00:29,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2022-12-14 09:00:29,134 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 09:00:29,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 165 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 09:00:29,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2022-12-14 09:00:29,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 663. [2022-12-14 09:00:29,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 636 states have (on average 2.089622641509434) internal successors, (1329), 662 states have internal predecessors, (1329), 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) [2022-12-14 09:00:29,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 1329 transitions. [2022-12-14 09:00:29,148 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 1329 transitions. Word has length 8 [2022-12-14 09:00:29,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:00:29,148 INFO L495 AbstractCegarLoop]: Abstraction has 663 states and 1329 transitions. [2022-12-14 09:00:29,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 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) [2022-12-14 09:00:29,148 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 1329 transitions. [2022-12-14 09:00:29,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 09:00:29,149 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:00:29,149 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2022-12-14 09:00:29,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e2919e-9483-449c-9367-843d417b5b0a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 09:00:29,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e2919e-9483-449c-9367-843d417b5b0a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:00:29,351 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-12-14 09:00:29,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:00:29,353 INFO L85 PathProgramCache]: Analyzing trace with hash -478957450, now seen corresponding path program 2 times [2022-12-14 09:00:29,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:00:29,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886915966] [2022-12-14 09:00:29,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:00:29,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:00:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 09:00:29,417 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 09:00:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 09:00:29,452 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 09:00:29,452 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 09:00:29,453 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (59 of 60 remaining) [2022-12-14 09:00:29,454 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (58 of 60 remaining) [2022-12-14 09:00:29,455 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (57 of 60 remaining) [2022-12-14 09:00:29,455 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (56 of 60 remaining) [2022-12-14 09:00:29,455 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (55 of 60 remaining) [2022-12-14 09:00:29,455 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (54 of 60 remaining) [2022-12-14 09:00:29,455 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr14ASSERT_VIOLATIONDATA_RACE (53 of 60 remaining) [2022-12-14 09:00:29,455 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (52 of 60 remaining) [2022-12-14 09:00:29,455 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr15ASSERT_VIOLATIONDATA_RACE (51 of 60 remaining) [2022-12-14 09:00:29,455 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (50 of 60 remaining) [2022-12-14 09:00:29,455 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr16ASSERT_VIOLATIONDATA_RACE (49 of 60 remaining) [2022-12-14 09:00:29,455 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr17ASSERT_VIOLATIONDATA_RACE (48 of 60 remaining) [2022-12-14 09:00:29,456 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (47 of 60 remaining) [2022-12-14 09:00:29,456 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (46 of 60 remaining) [2022-12-14 09:00:29,456 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr24ASSERT_VIOLATIONDATA_RACE (45 of 60 remaining) [2022-12-14 09:00:29,456 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr25ASSERT_VIOLATIONDATA_RACE (44 of 60 remaining) [2022-12-14 09:00:29,456 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr26ASSERT_VIOLATIONDATA_RACE (43 of 60 remaining) [2022-12-14 09:00:29,456 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr18ASSERT_VIOLATIONDATA_RACE (42 of 60 remaining) [2022-12-14 09:00:29,456 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr19ASSERT_VIOLATIONDATA_RACE (41 of 60 remaining) [2022-12-14 09:00:29,456 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr20ASSERT_VIOLATIONDATA_RACE (40 of 60 remaining) [2022-12-14 09:00:29,456 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr21ASSERT_VIOLATIONDATA_RACE (39 of 60 remaining) [2022-12-14 09:00:29,456 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr22ASSERT_VIOLATIONDATA_RACE (38 of 60 remaining) [2022-12-14 09:00:29,456 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr23ASSERT_VIOLATIONDATA_RACE (37 of 60 remaining) [2022-12-14 09:00:29,457 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (36 of 60 remaining) [2022-12-14 09:00:29,457 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr5ASSERT_VIOLATIONDATA_RACE (35 of 60 remaining) [2022-12-14 09:00:29,457 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr6ASSERT_VIOLATIONDATA_RACE (34 of 60 remaining) [2022-12-14 09:00:29,457 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr7ASSERT_VIOLATIONDATA_RACE (33 of 60 remaining) [2022-12-14 09:00:29,457 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr8ASSERT_VIOLATIONDATA_RACE (32 of 60 remaining) [2022-12-14 09:00:29,457 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr9ASSERT_VIOLATIONDATA_RACE (31 of 60 remaining) [2022-12-14 09:00:29,457 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr10ASSERT_VIOLATIONDATA_RACE (30 of 60 remaining) [2022-12-14 09:00:29,457 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr11ASSERT_VIOLATIONDATA_RACE (29 of 60 remaining) [2022-12-14 09:00:29,457 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr12ASSERT_VIOLATIONDATA_RACE (28 of 60 remaining) [2022-12-14 09:00:29,457 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr13ASSERT_VIOLATIONDATA_RACE (27 of 60 remaining) [2022-12-14 09:00:29,457 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr14ASSERT_VIOLATIONDATA_RACE (26 of 60 remaining) [2022-12-14 09:00:29,458 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (25 of 60 remaining) [2022-12-14 09:00:29,458 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr15ASSERT_VIOLATIONDATA_RACE (24 of 60 remaining) [2022-12-14 09:00:29,458 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (23 of 60 remaining) [2022-12-14 09:00:29,458 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr16ASSERT_VIOLATIONDATA_RACE (22 of 60 remaining) [2022-12-14 09:00:29,458 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr17ASSERT_VIOLATIONDATA_RACE (21 of 60 remaining) [2022-12-14 09:00:29,458 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (20 of 60 remaining) [2022-12-14 09:00:29,458 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (19 of 60 remaining) [2022-12-14 09:00:29,458 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr24ASSERT_VIOLATIONDATA_RACE (18 of 60 remaining) [2022-12-14 09:00:29,458 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr25ASSERT_VIOLATIONDATA_RACE (17 of 60 remaining) [2022-12-14 09:00:29,458 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr26ASSERT_VIOLATIONDATA_RACE (16 of 60 remaining) [2022-12-14 09:00:29,458 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr18ASSERT_VIOLATIONDATA_RACE (15 of 60 remaining) [2022-12-14 09:00:29,458 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr19ASSERT_VIOLATIONDATA_RACE (14 of 60 remaining) [2022-12-14 09:00:29,459 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr20ASSERT_VIOLATIONDATA_RACE (13 of 60 remaining) [2022-12-14 09:00:29,459 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr21ASSERT_VIOLATIONDATA_RACE (12 of 60 remaining) [2022-12-14 09:00:29,459 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr22ASSERT_VIOLATIONDATA_RACE (11 of 60 remaining) [2022-12-14 09:00:29,459 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr23ASSERT_VIOLATIONDATA_RACE (10 of 60 remaining) [2022-12-14 09:00:29,459 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (9 of 60 remaining) [2022-12-14 09:00:29,459 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr5ASSERT_VIOLATIONDATA_RACE (8 of 60 remaining) [2022-12-14 09:00:29,459 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr6ASSERT_VIOLATIONDATA_RACE (7 of 60 remaining) [2022-12-14 09:00:29,459 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr7ASSERT_VIOLATIONDATA_RACE (6 of 60 remaining) [2022-12-14 09:00:29,459 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr8ASSERT_VIOLATIONDATA_RACE (5 of 60 remaining) [2022-12-14 09:00:29,459 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr9ASSERT_VIOLATIONDATA_RACE (4 of 60 remaining) [2022-12-14 09:00:29,459 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr10ASSERT_VIOLATIONDATA_RACE (3 of 60 remaining) [2022-12-14 09:00:29,459 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr11ASSERT_VIOLATIONDATA_RACE (2 of 60 remaining) [2022-12-14 09:00:29,460 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr12ASSERT_VIOLATIONDATA_RACE (1 of 60 remaining) [2022-12-14 09:00:29,460 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr13ASSERT_VIOLATIONDATA_RACE (0 of 60 remaining) [2022-12-14 09:00:29,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 09:00:29,461 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2022-12-14 09:00:29,463 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-12-14 09:00:29,463 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-12-14 09:00:29,551 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-14 09:00:29,555 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 09:00:29,555 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 572 places, 597 transitions, 1212 flow [2022-12-14 09:00:29,556 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 572 places, 597 transitions, 1212 flow [2022-12-14 09:00:29,556 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 572 places, 597 transitions, 1212 flow [2022-12-14 09:00:29,686 INFO L130 PetriNetUnfolder]: 36/668 cut-off events. [2022-12-14 09:00:29,686 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-12-14 09:00:29,695 INFO L83 FinitePrefix]: Finished finitePrefix Result has 682 conditions, 668 events. 36/668 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2372 event pairs, 0 based on Foata normal form. 0/566 useless extension candidates. Maximal degree in co-relation 534. Up to 8 conditions per place. [2022-12-14 09:00:29,725 INFO L119 LiptonReduction]: Number of co-enabled transitions 150792 [2022-12-14 09:07:23,842 INFO L134 LiptonReduction]: Checked pairs total: 765949 [2022-12-14 09:07:23,842 INFO L136 LiptonReduction]: Total number of compositions: 981 [2022-12-14 09:07:23,843 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 187 places, 204 transitions, 426 flow [2022-12-14 09:07:25,238 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 92829 states, 89576 states have (on average 3.230039296240064) internal successors, (289334), 92828 states have internal predecessors, (289334), 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) [2022-12-14 09:07:25,239 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:07:25,239 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;@7d64464c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:07:25,240 INFO L358 AbstractCegarLoop]: Starting to check reachability of 87 error locations. [2022-12-14 09:07:25,341 INFO L276 IsEmpty]: Start isEmpty. Operand has 92829 states, 89576 states have (on average 3.230039296240064) internal successors, (289334), 92828 states have internal predecessors, (289334), 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) [2022-12-14 09:07:25,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-12-14 09:07:25,341 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:07:25,342 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-12-14 09:07:25,342 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2022-12-14 09:07:25,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:07:25,343 INFO L85 PathProgramCache]: Analyzing trace with hash 3530, now seen corresponding path program 1 times [2022-12-14 09:07:25,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:07:25,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546901071] [2022-12-14 09:07:25,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:07:25,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:07:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:07:25,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:07:25,359 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:07:25,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546901071] [2022-12-14 09:07:25,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546901071] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:07:25,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:07:25,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-14 09:07:25,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245573625] [2022-12-14 09:07:25,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:07:25,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 09:07:25,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:07:25,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 09:07:25,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 09:07:25,453 INFO L87 Difference]: Start difference. First operand has 92829 states, 89576 states have (on average 3.230039296240064) internal successors, (289334), 92828 states have internal predecessors, (289334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:07:26,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:07:26,576 INFO L93 Difference]: Finished difference Result 51119 states and 156766 transitions. [2022-12-14 09:07:26,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 09:07:26,577 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-12-14 09:07:26,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:07:26,827 INFO L225 Difference]: With dead ends: 51119 [2022-12-14 09:07:26,827 INFO L226 Difference]: Without dead ends: 51115 [2022-12-14 09:07:26,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 09:07:26,828 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 09:07:26,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 09:07:26,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51115 states. [2022-12-14 09:07:27,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51115 to 51115. [2022-12-14 09:07:27,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51115 states, 50894 states have (on average 3.080088026093449) internal successors, (156758), 51114 states have internal predecessors, (156758), 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) [2022-12-14 09:07:28,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51115 states to 51115 states and 156758 transitions. [2022-12-14 09:07:28,143 INFO L78 Accepts]: Start accepts. Automaton has 51115 states and 156758 transitions. Word has length 1 [2022-12-14 09:07:28,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:07:28,144 INFO L495 AbstractCegarLoop]: Abstraction has 51115 states and 156758 transitions. [2022-12-14 09:07:28,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:07:28,144 INFO L276 IsEmpty]: Start isEmpty. Operand 51115 states and 156758 transitions. [2022-12-14 09:07:28,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 09:07:28,145 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:07:28,145 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:07:28,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 09:07:28,145 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2022-12-14 09:07:28,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:07:28,145 INFO L85 PathProgramCache]: Analyzing trace with hash -941125685, now seen corresponding path program 1 times [2022-12-14 09:07:28,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:07:28,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866898961] [2022-12-14 09:07:28,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:07:28,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:07:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:07:28,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:07:28,256 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:07:28,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866898961] [2022-12-14 09:07:28,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866898961] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:07:28,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:07:28,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 09:07:28,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935090132] [2022-12-14 09:07:28,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:07:28,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:07:28,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:07:28,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:07:28,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:07:28,258 INFO L87 Difference]: Start difference. First operand 51115 states and 156758 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-12-14 09:07:29,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:07:29,923 INFO L93 Difference]: Finished difference Result 51116 states and 156759 transitions. [2022-12-14 09:07:29,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:07:29,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2022-12-14 09:07:29,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:07:30,059 INFO L225 Difference]: With dead ends: 51116 [2022-12-14 09:07:30,059 INFO L226 Difference]: Without dead ends: 51116 [2022-12-14 09:07:30,059 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 [2022-12-14 09:07:30,060 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 09:07:30,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 142 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 09:07:30,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51116 states. [2022-12-14 09:07:30,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51116 to 51116. [2022-12-14 09:07:30,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51116 states, 50895 states have (on average 3.080047155909225) internal successors, (156759), 51115 states have internal predecessors, (156759), 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) [2022-12-14 09:07:31,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51116 states to 51116 states and 156759 transitions. [2022-12-14 09:07:31,070 INFO L78 Accepts]: Start accepts. Automaton has 51116 states and 156759 transitions. Word has length 9 [2022-12-14 09:07:31,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:07:31,070 INFO L495 AbstractCegarLoop]: Abstraction has 51116 states and 156759 transitions. [2022-12-14 09:07:31,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2022-12-14 09:07:31,070 INFO L276 IsEmpty]: Start isEmpty. Operand 51116 states and 156759 transitions. [2022-12-14 09:07:31,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 09:07:31,070 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:07:31,070 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:07:31,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 09:07:31,071 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2022-12-14 09:07:31,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:07:31,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1409023500, now seen corresponding path program 1 times [2022-12-14 09:07:31,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:07:31,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648896046] [2022-12-14 09:07:31,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:07:31,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:07:31,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:07:31,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 09:07:31,139 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:07:31,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648896046] [2022-12-14 09:07:31,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648896046] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:07:31,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:07:31,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:07:31,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288972066] [2022-12-14 09:07:31,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:07:31,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:07:31,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:07:31,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:07:31,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:07:31,141 INFO L87 Difference]: Start difference. First operand 51116 states and 156759 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:07:33,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:07:33,065 INFO L93 Difference]: Finished difference Result 48051 states and 146474 transitions. [2022-12-14 09:07:33,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:07:33,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-12-14 09:07:33,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:07:33,222 INFO L225 Difference]: With dead ends: 48051 [2022-12-14 09:07:33,222 INFO L226 Difference]: Without dead ends: 48051 [2022-12-14 09:07:33,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:07:33,223 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 142 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-12-14 09:07:33,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 161 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-12-14 09:07:33,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48051 states. [2022-12-14 09:07:34,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48051 to 47635. [2022-12-14 09:07:34,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47635 states, 47462 states have (on average 3.0691500568876156) internal successors, (145668), 47634 states have internal predecessors, (145668), 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) [2022-12-14 09:07:34,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47635 states to 47635 states and 145668 transitions. [2022-12-14 09:07:34,547 INFO L78 Accepts]: Start accepts. Automaton has 47635 states and 145668 transitions. Word has length 10 [2022-12-14 09:07:34,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:07:34,547 INFO L495 AbstractCegarLoop]: Abstraction has 47635 states and 145668 transitions. [2022-12-14 09:07:34,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:07:34,547 INFO L276 IsEmpty]: Start isEmpty. Operand 47635 states and 145668 transitions. [2022-12-14 09:07:34,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 09:07:34,548 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:07:34,548 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1] [2022-12-14 09:07:34,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 09:07:34,549 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2022-12-14 09:07:34,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:07:34,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1387903609, now seen corresponding path program 1 times [2022-12-14 09:07:34,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:07:34,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415891846] [2022-12-14 09:07:34,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:07:34,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:07:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:07:34,740 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 09:07:34,741 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:07:34,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415891846] [2022-12-14 09:07:34,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415891846] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:07:34,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975787489] [2022-12-14 09:07:34,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:07:34,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:07:34,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e2919e-9483-449c-9367-843d417b5b0a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:07:34,743 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e2919e-9483-449c-9367-843d417b5b0a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:07:34,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e2919e-9483-449c-9367-843d417b5b0a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 09:07:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:07:34,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 09:07:34,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:07:35,072 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 09:07:35,072 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:07:35,188 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 09:07:35,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975787489] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:07:35,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [255612043] [2022-12-14 09:07:35,189 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1621) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 09:07:35,190 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 09:07:35,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2022-12-14 09:07:35,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515698309] [2022-12-14 09:07:35,190 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 09:07:35,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 09:07:35,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:07:35,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 09:07:35,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2022-12-14 09:07:35,191 INFO L87 Difference]: Start difference. First operand 47635 states and 145668 transitions. Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 states have internal predecessors, (15), 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) [2022-12-14 09:07:37,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:07:37,100 INFO L93 Difference]: Finished difference Result 47636 states and 145669 transitions. [2022-12-14 09:07:37,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 09:07:37,101 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 states have internal predecessors, (15), 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 13 [2022-12-14 09:07:37,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:07:37,246 INFO L225 Difference]: With dead ends: 47636 [2022-12-14 09:07:37,246 INFO L226 Difference]: Without dead ends: 47636 [2022-12-14 09:07:37,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2022-12-14 09:07:37,247 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-12-14 09:07:37,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 213 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-12-14 09:07:37,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47636 states. [2022-12-14 09:07:38,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47636 to 47636. [2022-12-14 09:07:38,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47636 states, 47463 states have (on average 3.0691064618755663) internal successors, (145669), 47635 states have internal predecessors, (145669), 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) [2022-12-14 09:07:38,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47636 states to 47636 states and 145669 transitions. [2022-12-14 09:07:38,346 INFO L78 Accepts]: Start accepts. Automaton has 47636 states and 145669 transitions. Word has length 13 [2022-12-14 09:07:38,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:07:38,346 INFO L495 AbstractCegarLoop]: Abstraction has 47636 states and 145669 transitions. [2022-12-14 09:07:38,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 states have internal predecessors, (15), 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) [2022-12-14 09:07:38,346 INFO L276 IsEmpty]: Start isEmpty. Operand 47636 states and 145669 transitions. [2022-12-14 09:07:38,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 09:07:38,347 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:07:38,348 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1] [2022-12-14 09:07:38,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e2919e-9483-449c-9367-843d417b5b0a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 09:07:38,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28e2919e-9483-449c-9367-843d417b5b0a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:07:38,549 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 84 more)] === [2022-12-14 09:07:38,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:07:38,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1813740336, now seen corresponding path program 2 times [2022-12-14 09:07:38,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:07:38,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906060648] [2022-12-14 09:07:38,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:07:38,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:07:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 09:07:38,623 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 09:07:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 09:07:38,676 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 09:07:38,676 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 09:07:38,676 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (86 of 87 remaining) [2022-12-14 09:07:38,676 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (85 of 87 remaining) [2022-12-14 09:07:38,676 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (84 of 87 remaining) [2022-12-14 09:07:38,676 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (83 of 87 remaining) [2022-12-14 09:07:38,677 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (82 of 87 remaining) [2022-12-14 09:07:38,677 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (81 of 87 remaining) [2022-12-14 09:07:38,677 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr14ASSERT_VIOLATIONDATA_RACE (80 of 87 remaining) [2022-12-14 09:07:38,677 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (79 of 87 remaining) [2022-12-14 09:07:38,677 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr15ASSERT_VIOLATIONDATA_RACE (78 of 87 remaining) [2022-12-14 09:07:38,677 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (77 of 87 remaining) [2022-12-14 09:07:38,677 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr16ASSERT_VIOLATIONDATA_RACE (76 of 87 remaining) [2022-12-14 09:07:38,677 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr17ASSERT_VIOLATIONDATA_RACE (75 of 87 remaining) [2022-12-14 09:07:38,677 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (74 of 87 remaining) [2022-12-14 09:07:38,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (73 of 87 remaining) [2022-12-14 09:07:38,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr24ASSERT_VIOLATIONDATA_RACE (72 of 87 remaining) [2022-12-14 09:07:38,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr25ASSERT_VIOLATIONDATA_RACE (71 of 87 remaining) [2022-12-14 09:07:38,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr26ASSERT_VIOLATIONDATA_RACE (70 of 87 remaining) [2022-12-14 09:07:38,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr18ASSERT_VIOLATIONDATA_RACE (69 of 87 remaining) [2022-12-14 09:07:38,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr19ASSERT_VIOLATIONDATA_RACE (68 of 87 remaining) [2022-12-14 09:07:38,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr20ASSERT_VIOLATIONDATA_RACE (67 of 87 remaining) [2022-12-14 09:07:38,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr21ASSERT_VIOLATIONDATA_RACE (66 of 87 remaining) [2022-12-14 09:07:38,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr22ASSERT_VIOLATIONDATA_RACE (65 of 87 remaining) [2022-12-14 09:07:38,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr23ASSERT_VIOLATIONDATA_RACE (64 of 87 remaining) [2022-12-14 09:07:38,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (63 of 87 remaining) [2022-12-14 09:07:38,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr5ASSERT_VIOLATIONDATA_RACE (62 of 87 remaining) [2022-12-14 09:07:38,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr6ASSERT_VIOLATIONDATA_RACE (61 of 87 remaining) [2022-12-14 09:07:38,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr7ASSERT_VIOLATIONDATA_RACE (60 of 87 remaining) [2022-12-14 09:07:38,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr8ASSERT_VIOLATIONDATA_RACE (59 of 87 remaining) [2022-12-14 09:07:38,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr9ASSERT_VIOLATIONDATA_RACE (58 of 87 remaining) [2022-12-14 09:07:38,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr10ASSERT_VIOLATIONDATA_RACE (57 of 87 remaining) [2022-12-14 09:07:38,679 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr11ASSERT_VIOLATIONDATA_RACE (56 of 87 remaining) [2022-12-14 09:07:38,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr12ASSERT_VIOLATIONDATA_RACE (55 of 87 remaining) [2022-12-14 09:07:38,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr13ASSERT_VIOLATIONDATA_RACE (54 of 87 remaining) [2022-12-14 09:07:38,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr14ASSERT_VIOLATIONDATA_RACE (53 of 87 remaining) [2022-12-14 09:07:38,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (52 of 87 remaining) [2022-12-14 09:07:38,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr15ASSERT_VIOLATIONDATA_RACE (51 of 87 remaining) [2022-12-14 09:07:38,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (50 of 87 remaining) [2022-12-14 09:07:38,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr16ASSERT_VIOLATIONDATA_RACE (49 of 87 remaining) [2022-12-14 09:07:38,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr17ASSERT_VIOLATIONDATA_RACE (48 of 87 remaining) [2022-12-14 09:07:38,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (47 of 87 remaining) [2022-12-14 09:07:38,680 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (46 of 87 remaining) [2022-12-14 09:07:38,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr24ASSERT_VIOLATIONDATA_RACE (45 of 87 remaining) [2022-12-14 09:07:38,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr25ASSERT_VIOLATIONDATA_RACE (44 of 87 remaining) [2022-12-14 09:07:38,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr26ASSERT_VIOLATIONDATA_RACE (43 of 87 remaining) [2022-12-14 09:07:38,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr18ASSERT_VIOLATIONDATA_RACE (42 of 87 remaining) [2022-12-14 09:07:38,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr19ASSERT_VIOLATIONDATA_RACE (41 of 87 remaining) [2022-12-14 09:07:38,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr20ASSERT_VIOLATIONDATA_RACE (40 of 87 remaining) [2022-12-14 09:07:38,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr21ASSERT_VIOLATIONDATA_RACE (39 of 87 remaining) [2022-12-14 09:07:38,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr22ASSERT_VIOLATIONDATA_RACE (38 of 87 remaining) [2022-12-14 09:07:38,681 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr23ASSERT_VIOLATIONDATA_RACE (37 of 87 remaining) [2022-12-14 09:07:38,682 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (36 of 87 remaining) [2022-12-14 09:07:38,682 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr5ASSERT_VIOLATIONDATA_RACE (35 of 87 remaining) [2022-12-14 09:07:38,682 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr6ASSERT_VIOLATIONDATA_RACE (34 of 87 remaining) [2022-12-14 09:07:38,682 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr7ASSERT_VIOLATIONDATA_RACE (33 of 87 remaining) [2022-12-14 09:07:38,682 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr8ASSERT_VIOLATIONDATA_RACE (32 of 87 remaining) [2022-12-14 09:07:38,682 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr9ASSERT_VIOLATIONDATA_RACE (31 of 87 remaining) [2022-12-14 09:07:38,682 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr10ASSERT_VIOLATIONDATA_RACE (30 of 87 remaining) [2022-12-14 09:07:38,682 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr11ASSERT_VIOLATIONDATA_RACE (29 of 87 remaining) [2022-12-14 09:07:38,682 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr12ASSERT_VIOLATIONDATA_RACE (28 of 87 remaining) [2022-12-14 09:07:38,683 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr13ASSERT_VIOLATIONDATA_RACE (27 of 87 remaining) [2022-12-14 09:07:38,683 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr14ASSERT_VIOLATIONDATA_RACE (26 of 87 remaining) [2022-12-14 09:07:38,683 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (25 of 87 remaining) [2022-12-14 09:07:38,683 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr15ASSERT_VIOLATIONDATA_RACE (24 of 87 remaining) [2022-12-14 09:07:38,683 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (23 of 87 remaining) [2022-12-14 09:07:38,683 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr16ASSERT_VIOLATIONDATA_RACE (22 of 87 remaining) [2022-12-14 09:07:38,683 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr17ASSERT_VIOLATIONDATA_RACE (21 of 87 remaining) [2022-12-14 09:07:38,683 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (20 of 87 remaining) [2022-12-14 09:07:38,683 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (19 of 87 remaining) [2022-12-14 09:07:38,683 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr24ASSERT_VIOLATIONDATA_RACE (18 of 87 remaining) [2022-12-14 09:07:38,684 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr25ASSERT_VIOLATIONDATA_RACE (17 of 87 remaining) [2022-12-14 09:07:38,684 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr26ASSERT_VIOLATIONDATA_RACE (16 of 87 remaining) [2022-12-14 09:07:38,684 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr18ASSERT_VIOLATIONDATA_RACE (15 of 87 remaining) [2022-12-14 09:07:38,684 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr19ASSERT_VIOLATIONDATA_RACE (14 of 87 remaining) [2022-12-14 09:07:38,684 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr20ASSERT_VIOLATIONDATA_RACE (13 of 87 remaining) [2022-12-14 09:07:38,684 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr21ASSERT_VIOLATIONDATA_RACE (12 of 87 remaining) [2022-12-14 09:07:38,684 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr22ASSERT_VIOLATIONDATA_RACE (11 of 87 remaining) [2022-12-14 09:07:38,684 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr23ASSERT_VIOLATIONDATA_RACE (10 of 87 remaining) [2022-12-14 09:07:38,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr4ASSERT_VIOLATIONDATA_RACE (9 of 87 remaining) [2022-12-14 09:07:38,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr5ASSERT_VIOLATIONDATA_RACE (8 of 87 remaining) [2022-12-14 09:07:38,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr6ASSERT_VIOLATIONDATA_RACE (7 of 87 remaining) [2022-12-14 09:07:38,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr7ASSERT_VIOLATIONDATA_RACE (6 of 87 remaining) [2022-12-14 09:07:38,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr8ASSERT_VIOLATIONDATA_RACE (5 of 87 remaining) [2022-12-14 09:07:38,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr9ASSERT_VIOLATIONDATA_RACE (4 of 87 remaining) [2022-12-14 09:07:38,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr10ASSERT_VIOLATIONDATA_RACE (3 of 87 remaining) [2022-12-14 09:07:38,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr11ASSERT_VIOLATIONDATA_RACE (2 of 87 remaining) [2022-12-14 09:07:38,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr12ASSERT_VIOLATIONDATA_RACE (1 of 87 remaining) [2022-12-14 09:07:38,685 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr13ASSERT_VIOLATIONDATA_RACE (0 of 87 remaining) [2022-12-14 09:07:38,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 09:07:38,686 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2022-12-14 09:07:38,686 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-12-14 09:07:38,686 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-12-14 09:07:38,793 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-14 09:07:38,800 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 09:07:38,800 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 807 places, 843 transitions, 1716 flow [2022-12-14 09:07:38,801 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 807 places, 843 transitions, 1716 flow [2022-12-14 09:07:38,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 807 places, 843 transitions, 1716 flow [2022-12-14 09:07:39,197 INFO L130 PetriNetUnfolder]: 58/1005 cut-off events. [2022-12-14 09:07:39,197 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-12-14 09:07:39,230 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1033 conditions, 1005 events. 58/1005 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 4749 event pairs, 1 based on Foata normal form. 0/850 useless extension candidates. Maximal degree in co-relation 820. Up to 16 conditions per place. [2022-12-14 09:07:39,371 INFO L119 LiptonReduction]: Number of co-enabled transitions 406992