./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/TaipanReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i -s /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UTaipan-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 116240ce9d1e33454ba4eae840c2d7b67606f3cd4ffa1a06798f06dcbc1241fc --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 18:56:45,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 18:56:45,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 18:56:45,108 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 18:56:45,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 18:56:45,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 18:56:45,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 18:56:45,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 18:56:45,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 18:56:45,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 18:56:45,127 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 18:56:45,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 18:56:45,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 18:56:45,132 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 18:56:45,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 18:56:45,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 18:56:45,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 18:56:45,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 18:56:45,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 18:56:45,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 18:56:45,149 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 18:56:45,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 18:56:45,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 18:56:45,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 18:56:45,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 18:56:45,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 18:56:45,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 18:56:45,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 18:56:45,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 18:56:45,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 18:56:45,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 18:56:45,161 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 18:56:45,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 18:56:45,163 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 18:56:45,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 18:56:45,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 18:56:45,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 18:56:45,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 18:56:45,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 18:56:45,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 18:56:45,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 18:56:45,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 18:56:45,175 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-04-18 18:56:45,211 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 18:56:45,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 18:56:45,213 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 18:56:45,213 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 18:56:45,214 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 18:56:45,214 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 18:56:45,214 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 18:56:45,214 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 18:56:45,215 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 18:56:45,215 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-04-18 18:56:45,216 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 18:56:45,216 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 18:56:45,216 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-04-18 18:56:45,216 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-04-18 18:56:45,216 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 18:56:45,217 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-04-18 18:56:45,217 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-04-18 18:56:45,217 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-04-18 18:56:45,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 18:56:45,219 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 18:56:45,219 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 18:56:45,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 18:56:45,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 18:56:45,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 18:56:45,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 18:56:45,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 18:56:45,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 18:56:45,220 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 18:56:45,221 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 18:56:45,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 18:56:45,221 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 18:56:45,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 18:56:45,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 18:56:45,222 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 18:56:45,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 18:56:45,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 18:56:45,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 18:56:45,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 18:56:45,223 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-04-18 18:56:45,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 18:56:45,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 18:56:45,223 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 18:56:45,223 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 18:56:45,224 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UTaipan-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 116240ce9d1e33454ba4eae840c2d7b67606f3cd4ffa1a06798f06dcbc1241fc [2022-04-18 18:56:45,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 18:56:45,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 18:56:45,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 18:56:45,492 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 18:56:45,492 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 18:56:45,494 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i [2022-04-18 18:56:45,560 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/bcbe19502/f7757309e4e24740a26ccbf1a7cde333/FLAG90b73cb10 [2022-04-18 18:56:46,052 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 18:56:46,053 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i [2022-04-18 18:56:46,072 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/bcbe19502/f7757309e4e24740a26ccbf1a7cde333/FLAG90b73cb10 [2022-04-18 18:56:46,529 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/bcbe19502/f7757309e4e24740a26ccbf1a7cde333 [2022-04-18 18:56:46,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 18:56:46,532 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 18:56:46,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 18:56:46,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 18:56:46,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 18:56:46,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 06:56:46" (1/1) ... [2022-04-18 18:56:46,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a62590e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:56:46, skipping insertion in model container [2022-04-18 18:56:46,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 06:56:46" (1/1) ... [2022-04-18 18:56:46,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 18:56:46,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 18:56:46,720 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-04-18 18:56:46,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[30484,30497] [2022-04-18 18:56:46,868 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[31858,31871] [2022-04-18 18:56:46,869 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[31909,31922] [2022-04-18 18:56:46,871 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[32058,32071] [2022-04-18 18:56:46,871 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[32135,32148] [2022-04-18 18:56:46,872 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[32182,32195] [2022-04-18 18:56:46,873 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[32291,32304] [2022-04-18 18:56:46,875 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[32410,32423] [2022-04-18 18:56:46,881 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[32458,32471] [2022-04-18 18:56:46,884 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[32535,32548] [2022-04-18 18:56:46,893 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[32661,32674] [2022-04-18 18:56:46,901 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[33244,33257] [2022-04-18 18:56:46,907 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[33321,33334] [2022-04-18 18:56:46,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 18:56:46,919 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 18:56:46,938 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-04-18 18:56:46,959 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[30484,30497] [2022-04-18 18:56:46,984 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[31858,31871] [2022-04-18 18:56:46,989 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[31909,31922] [2022-04-18 18:56:46,996 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[32058,32071] [2022-04-18 18:56:46,999 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[32135,32148] [2022-04-18 18:56:47,000 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[32182,32195] [2022-04-18 18:56:47,005 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[32291,32304] [2022-04-18 18:56:47,010 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[32410,32423] [2022-04-18 18:56:47,012 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[32458,32471] [2022-04-18 18:56:47,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[32535,32548] [2022-04-18 18:56:47,015 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[32661,32674] [2022-04-18 18:56:47,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[33244,33257] [2022-04-18 18:56:47,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/barrier_3t.i[33321,33334] [2022-04-18 18:56:47,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 18:56:47,061 INFO L208 MainTranslator]: Completed translation [2022-04-18 18:56:47,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:56:47 WrapperNode [2022-04-18 18:56:47,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 18:56:47,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 18:56:47,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 18:56:47,063 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 18:56:47,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:56:47" (1/1) ... [2022-04-18 18:56:47,087 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:56:47" (1/1) ... [2022-04-18 18:56:47,158 INFO L137 Inliner]: procedures = 174, calls = 83, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 955 [2022-04-18 18:56:47,159 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 18:56:47,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 18:56:47,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 18:56:47,160 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 18:56:47,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:56:47" (1/1) ... [2022-04-18 18:56:47,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:56:47" (1/1) ... [2022-04-18 18:56:47,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:56:47" (1/1) ... [2022-04-18 18:56:47,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:56:47" (1/1) ... [2022-04-18 18:56:47,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:56:47" (1/1) ... [2022-04-18 18:56:47,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:56:47" (1/1) ... [2022-04-18 18:56:47,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:56:47" (1/1) ... [2022-04-18 18:56:47,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 18:56:47,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 18:56:47,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 18:56:47,282 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 18:56:47,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:56:47" (1/1) ... [2022-04-18 18:56:47,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 18:56:47,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 [2022-04-18 18:56:47,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 18:56:47,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 18:56:47,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 18:56:47,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 18:56:47,359 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-04-18 18:56:47,359 INFO L130 BoogieDeclarations]: Found specification of procedure worker_fn [2022-04-18 18:56:47,360 INFO L138 BoogieDeclarations]: Found implementation of procedure worker_fn [2022-04-18 18:56:47,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 18:56:47,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-04-18 18:56:47,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 18:56:47,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-04-18 18:56:47,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 18:56:47,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 18:56:47,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 18:56:47,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 18:56:47,364 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 18:56:47,541 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 18:56:47,543 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 18:56:48,598 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 18:56:48,627 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 18:56:48,627 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2022-04-18 18:56:48,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 06:56:48 BoogieIcfgContainer [2022-04-18 18:56:48,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 18:56:48,633 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 18:56:48,633 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 18:56:48,637 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 18:56:48,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 06:56:46" (1/3) ... [2022-04-18 18:56:48,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5d75d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 06:56:48, skipping insertion in model container [2022-04-18 18:56:48,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 06:56:47" (2/3) ... [2022-04-18 18:56:48,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a5d75d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 06:56:48, skipping insertion in model container [2022-04-18 18:56:48,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 06:56:48" (3/3) ... [2022-04-18 18:56:48,640 INFO L111 eAbstractionObserver]: Analyzing ICFG barrier_3t.i [2022-04-18 18:56:48,644 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 18:56:48,645 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 18:56:48,645 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 98 error locations. [2022-04-18 18:56:48,645 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 18:56:48,806 INFO L135 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-04-18 18:56:48,840 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 18:56:48,845 INFO L340 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 [2022-04-18 18:56:48,846 INFO L341 AbstractCegarLoop]: Starting to check reachability of 143 error locations. [2022-04-18 18:56:48,883 INFO L116 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-04-18 18:56:48,894 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1023 places, 1090 transitions, 2188 flow [2022-04-18 18:56:48,896 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 1023 places, 1090 transitions, 2188 flow [2022-04-18 18:56:48,898 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1023 places, 1090 transitions, 2188 flow [2022-04-18 18:56:49,493 INFO L129 PetriNetUnfolder]: 106/1598 cut-off events. [2022-04-18 18:56:49,494 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-04-18 18:56:49,581 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1604 conditions, 1598 events. 106/1598 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 6069 event pairs, 0 based on Foata normal form. 0/1344 useless extension candidates. Maximal degree in co-relation 964. Up to 4 conditions per place. [2022-04-18 18:56:49,788 INFO L116 LiptonReduction]: Number of co-enabled transitions 463628 [2022-04-18 19:02:41,096 WARN L232 SmtUtils]: Spent 12.31s on a formula simplification that was a NOOP. DAG size: 158 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:02:48,959 WARN L232 SmtUtils]: Spent 7.86s on a formula simplification that was a NOOP. DAG size: 150 (called from [L 316] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:03:01,881 WARN L232 SmtUtils]: Spent 12.92s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:03:11,259 WARN L232 SmtUtils]: Spent 9.38s on a formula simplification that was a NOOP. DAG size: 153 (called from [L 316] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:03:19,067 WARN L232 SmtUtils]: Spent 7.66s on a formula simplification that was a NOOP. DAG size: 153 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:03:27,020 WARN L232 SmtUtils]: Spent 7.95s on a formula simplification that was a NOOP. DAG size: 153 (called from [L 316] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:03:47,825 WARN L232 SmtUtils]: Spent 20.80s on a formula simplification. DAG size of input: 161 DAG size of output: 159 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:03:58,142 WARN L232 SmtUtils]: Spent 10.31s on a formula simplification that was a NOOP. DAG size: 159 (called from [L 316] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:03:58,161 INFO L131 LiptonReduction]: Checked pairs total: 2873971 [2022-04-18 19:03:58,161 INFO L133 LiptonReduction]: Total number of compositions: 707 [2022-04-18 19:03:58,171 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 539 places, 582 transitions, 1172 flow [2022-04-18 19:04:00,163 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 69639 states, 67335 states have (on average 2.2290042325685007) internal successors, (150090), 69638 states have internal predecessors, (150090), 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) [2022-04-18 19:04:00,299 INFO L276 IsEmpty]: Start isEmpty. Operand has 69639 states, 67335 states have (on average 2.2290042325685007) internal successors, (150090), 69638 states have internal predecessors, (150090), 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) [2022-04-18 19:04:00,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-04-18 19:04:00,306 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 19:04:00,306 INFO L499 BasicCegarLoop]: trace histogram [1, 1] [2022-04-18 19:04:00,308 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 140 more)] === [2022-04-18 19:04:00,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 19:04:00,315 INFO L85 PathProgramCache]: Analyzing trace with hash 117061, now seen corresponding path program 1 times [2022-04-18 19:04:00,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 19:04:00,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624845303] [2022-04-18 19:04:00,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 19:04:00,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 19:04:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 19:04:00,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 19:04:00,645 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 19:04:00,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624845303] [2022-04-18 19:04:00,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624845303] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 19:04:00,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 19:04:00,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-04-18 19:04:00,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207621712] [2022-04-18 19:04:00,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 19:04:00,652 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 19:04:00,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 19:04:00,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 19:04:00,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 19:04:00,776 INFO L87 Difference]: Start difference. First operand has 69639 states, 67335 states have (on average 2.2290042325685007) internal successors, (150090), 69638 states have internal predecessors, (150090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 2.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:04:02,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 19:04:02,312 INFO L93 Difference]: Finished difference Result 69632 states and 145059 transitions. [2022-04-18 19:04:02,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 19:04:02,345 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 2.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2 [2022-04-18 19:04:02,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 19:04:02,822 INFO L225 Difference]: With dead ends: 69632 [2022-04-18 19:04:02,823 INFO L226 Difference]: Without dead ends: 69630 [2022-04-18 19:04:02,824 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 19:04:02,827 INFO L913 BasicCegarLoop]: 351 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-04-18 19:04:02,827 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 351 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-04-18 19:04:03,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69630 states. [2022-04-18 19:04:04,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69630 to 69630. [2022-04-18 19:04:04,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69630 states, 67335 states have (on average 2.1542437068389395) internal successors, (145056), 69629 states have internal predecessors, (145056), 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) [2022-04-18 19:04:05,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69630 states to 69630 states and 145056 transitions. [2022-04-18 19:04:05,310 INFO L78 Accepts]: Start accepts. Automaton has 69630 states and 145056 transitions. Word has length 2 [2022-04-18 19:04:05,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 19:04:05,311 INFO L478 AbstractCegarLoop]: Abstraction has 69630 states and 145056 transitions. [2022-04-18 19:04:05,311 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 2.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 19:04:05,311 INFO L276 IsEmpty]: Start isEmpty. Operand 69630 states and 145056 transitions. [2022-04-18 19:04:05,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-04-18 19:04:05,312 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 19:04:05,312 INFO L499 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2022-04-18 19:04:05,312 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 19:04:05,314 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 140 more)] === [2022-04-18 19:04:05,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 19:04:05,317 INFO L85 PathProgramCache]: Analyzing trace with hash 754202936, now seen corresponding path program 1 times [2022-04-18 19:04:05,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 19:04:05,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503719318] [2022-04-18 19:04:05,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 19:04:05,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 19:04:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 19:04:05,421 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-04-18 19:04:05,421 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 19:04:05,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503719318] [2022-04-18 19:04:05,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503719318] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 19:04:05,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 19:04:05,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 19:04:05,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905538244] [2022-04-18 19:04:05,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 19:04:05,424 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 19:04:05,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 19:04:05,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 19:04:05,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 19:04:05,425 INFO L87 Difference]: Start difference. First operand 69630 states and 145056 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) [2022-04-18 19:04:06,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 19:04:06,761 INFO L93 Difference]: Finished difference Result 69631 states and 145057 transitions. [2022-04-18 19:04:06,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 19:04:06,762 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 [2022-04-18 19:04:06,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 19:04:07,145 INFO L225 Difference]: With dead ends: 69631 [2022-04-18 19:04:07,146 INFO L226 Difference]: Without dead ends: 69631 [2022-04-18 19:04:07,146 INFO L912 BasicCegarLoop]: 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 [2022-04-18 19:04:07,152 INFO L913 BasicCegarLoop]: 351 mSDtfsCounter, 0 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-04-18 19:04:07,153 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 702 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-04-18 19:04:07,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69631 states. [2022-04-18 19:04:08,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69631 to 69631. [2022-04-18 19:04:08,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69631 states, 67336 states have (on average 2.154226565284543) internal successors, (145057), 69630 states have internal predecessors, (145057), 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) [2022-04-18 19:04:08,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69631 states to 69631 states and 145057 transitions. [2022-04-18 19:04:08,783 INFO L78 Accepts]: Start accepts. Automaton has 69631 states and 145057 transitions. Word has length 7 [2022-04-18 19:04:08,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 19:04:08,783 INFO L478 AbstractCegarLoop]: Abstraction has 69631 states and 145057 transitions. [2022-04-18 19:04:08,783 INFO L479 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) [2022-04-18 19:04:08,783 INFO L276 IsEmpty]: Start isEmpty. Operand 69631 states and 145057 transitions. [2022-04-18 19:04:08,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-04-18 19:04:08,784 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 19:04:08,784 INFO L499 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-04-18 19:04:08,784 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 19:04:08,784 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 140 more)] === [2022-04-18 19:04:08,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 19:04:08,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1620539639, now seen corresponding path program 1 times [2022-04-18 19:04:08,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 19:04:08,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295139314] [2022-04-18 19:04:08,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 19:04:08,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 19:04:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 19:04:08,851 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-04-18 19:04:08,852 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 19:04:08,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295139314] [2022-04-18 19:04:08,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295139314] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-18 19:04:08,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429130177] [2022-04-18 19:04:08,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 19:04:08,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 19:04:08,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 [2022-04-18 19:04:08,858 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-18 19:04:09,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-18 19:04:09,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 19:04:09,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 3 conjunts are in the unsatisfiable core [2022-04-18 19:04:09,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-18 19:04:09,400 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-04-18 19:04:09,401 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-18 19:04:09,426 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-04-18 19:04:09,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429130177] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-18 19:04:09,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1935666152] [2022-04-18 19:04:09,435 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:1603) 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:595) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:349) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:331) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:411) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:301) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:172) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:153) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) 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) [2022-04-18 19:04:09,437 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-18 19:04:09,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2022-04-18 19:04:09,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740931770] [2022-04-18 19:04:09,438 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-04-18 19:04:09,438 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 19:04:09,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 19:04:09,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 19:04:09,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 19:04:09,439 INFO L87 Difference]: Start difference. First operand 69631 states and 145057 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 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) [2022-04-18 19:04:11,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 19:04:11,119 INFO L93 Difference]: Finished difference Result 69633 states and 145059 transitions. [2022-04-18 19:04:11,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-18 19:04:11,119 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 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 [2022-04-18 19:04:11,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 19:04:11,325 INFO L225 Difference]: With dead ends: 69633 [2022-04-18 19:04:11,326 INFO L226 Difference]: Without dead ends: 69633 [2022-04-18 19:04:11,326 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 19:04:11,327 INFO L913 BasicCegarLoop]: 351 mSDtfsCounter, 0 mSDsluCounter, 1659 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1404 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-04-18 19:04:11,327 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1404 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 818 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-04-18 19:04:11,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69633 states. [2022-04-18 19:04:12,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69633 to 69633. [2022-04-18 19:04:12,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69633 states, 67338 states have (on average 2.1541922837031096) internal successors, (145059), 69632 states have internal predecessors, (145059), 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) [2022-04-18 19:04:12,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69633 states to 69633 states and 145059 transitions. [2022-04-18 19:04:12,865 INFO L78 Accepts]: Start accepts. Automaton has 69633 states and 145059 transitions. Word has length 8 [2022-04-18 19:04:12,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 19:04:12,865 INFO L478 AbstractCegarLoop]: Abstraction has 69633 states and 145059 transitions. [2022-04-18 19:04:12,866 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 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) [2022-04-18 19:04:12,866 INFO L276 IsEmpty]: Start isEmpty. Operand 69633 states and 145059 transitions. [2022-04-18 19:04:12,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-04-18 19:04:12,866 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 19:04:12,866 INFO L499 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1] [2022-04-18 19:04:12,884 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-04-18 19:04:13,070 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-18 19:04:13,072 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 140 more)] === [2022-04-18 19:04:13,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 19:04:13,073 INFO L85 PathProgramCache]: Analyzing trace with hash 2033089815, now seen corresponding path program 2 times [2022-04-18 19:04:13,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 19:04:13,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809538240] [2022-04-18 19:04:13,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 19:04:13,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 19:04:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-18 19:04:13,161 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-04-18 19:04:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-04-18 19:04:13,246 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-04-18 19:04:13,246 INFO L618 BasicCegarLoop]: Counterexample is feasible [2022-04-18 19:04:13,247 INFO L788 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (142 of 143 remaining) [2022-04-18 19:04:13,249 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (141 of 143 remaining) [2022-04-18 19:04:13,249 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (140 of 143 remaining) [2022-04-18 19:04:13,249 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (139 of 143 remaining) [2022-04-18 19:04:13,249 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (138 of 143 remaining) [2022-04-18 19:04:13,250 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (137 of 143 remaining) [2022-04-18 19:04:13,250 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (136 of 143 remaining) [2022-04-18 19:04:13,250 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (135 of 143 remaining) [2022-04-18 19:04:13,250 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (134 of 143 remaining) [2022-04-18 19:04:13,250 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (133 of 143 remaining) [2022-04-18 19:04:13,250 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (132 of 143 remaining) [2022-04-18 19:04:13,251 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (131 of 143 remaining) [2022-04-18 19:04:13,251 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (130 of 143 remaining) [2022-04-18 19:04:13,251 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (129 of 143 remaining) [2022-04-18 19:04:13,251 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (128 of 143 remaining) [2022-04-18 19:04:13,251 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (127 of 143 remaining) [2022-04-18 19:04:13,251 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (126 of 143 remaining) [2022-04-18 19:04:13,252 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (125 of 143 remaining) [2022-04-18 19:04:13,252 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (124 of 143 remaining) [2022-04-18 19:04:13,252 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (123 of 143 remaining) [2022-04-18 19:04:13,252 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (122 of 143 remaining) [2022-04-18 19:04:13,252 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (121 of 143 remaining) [2022-04-18 19:04:13,252 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (120 of 143 remaining) [2022-04-18 19:04:13,253 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (119 of 143 remaining) [2022-04-18 19:04:13,253 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (118 of 143 remaining) [2022-04-18 19:04:13,253 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (117 of 143 remaining) [2022-04-18 19:04:13,253 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (116 of 143 remaining) [2022-04-18 19:04:13,253 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (115 of 143 remaining) [2022-04-18 19:04:13,253 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (114 of 143 remaining) [2022-04-18 19:04:13,254 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (113 of 143 remaining) [2022-04-18 19:04:13,254 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (112 of 143 remaining) [2022-04-18 19:04:13,254 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (111 of 143 remaining) [2022-04-18 19:04:13,254 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (110 of 143 remaining) [2022-04-18 19:04:13,254 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (109 of 143 remaining) [2022-04-18 19:04:13,254 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (108 of 143 remaining) [2022-04-18 19:04:13,255 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (107 of 143 remaining) [2022-04-18 19:04:13,255 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (106 of 143 remaining) [2022-04-18 19:04:13,255 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONDATA_RACE (105 of 143 remaining) [2022-04-18 19:04:13,255 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE (104 of 143 remaining) [2022-04-18 19:04:13,255 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE (103 of 143 remaining) [2022-04-18 19:04:13,255 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE (102 of 143 remaining) [2022-04-18 19:04:13,256 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONDATA_RACE (101 of 143 remaining) [2022-04-18 19:04:13,256 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE (100 of 143 remaining) [2022-04-18 19:04:13,256 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONDATA_RACE (99 of 143 remaining) [2022-04-18 19:04:13,256 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE (98 of 143 remaining) [2022-04-18 19:04:13,256 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONDATA_RACE (97 of 143 remaining) [2022-04-18 19:04:13,256 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONDATA_RACE (96 of 143 remaining) [2022-04-18 19:04:13,257 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONDATA_RACE (95 of 143 remaining) [2022-04-18 19:04:13,257 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONDATA_RACE (94 of 143 remaining) [2022-04-18 19:04:13,257 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONDATA_RACE (93 of 143 remaining) [2022-04-18 19:04:13,257 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONDATA_RACE (92 of 143 remaining) [2022-04-18 19:04:13,257 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONDATA_RACE (91 of 143 remaining) [2022-04-18 19:04:13,257 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONDATA_RACE (90 of 143 remaining) [2022-04-18 19:04:13,258 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONDATA_RACE (89 of 143 remaining) [2022-04-18 19:04:13,258 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONDATA_RACE (88 of 143 remaining) [2022-04-18 19:04:13,258 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr0ASSERT_VIOLATIONDATA_RACE (87 of 143 remaining) [2022-04-18 19:04:13,258 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr1ASSERT_VIOLATIONDATA_RACE (86 of 143 remaining) [2022-04-18 19:04:13,258 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr2ASSERT_VIOLATIONDATA_RACE (85 of 143 remaining) [2022-04-18 19:04:13,258 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr4ASSERT_VIOLATIONDATA_RACE (84 of 143 remaining) [2022-04-18 19:04:13,258 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr3ASSERT_VIOLATIONDATA_RACE (83 of 143 remaining) [2022-04-18 19:04:13,259 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr5ASSERT_VIOLATIONDATA_RACE (82 of 143 remaining) [2022-04-18 19:04:13,259 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr6ASSERT_VIOLATIONDATA_RACE (81 of 143 remaining) [2022-04-18 19:04:13,259 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr7ASSERT_VIOLATIONDATA_RACE (80 of 143 remaining) [2022-04-18 19:04:13,259 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr8ASSERT_VIOLATIONDATA_RACE (79 of 143 remaining) [2022-04-18 19:04:13,259 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr9ASSERT_VIOLATIONDATA_RACE (78 of 143 remaining) [2022-04-18 19:04:13,259 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr14ASSERT_VIOLATIONDATA_RACE (77 of 143 remaining) [2022-04-18 19:04:13,260 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr10ASSERT_VIOLATIONDATA_RACE (76 of 143 remaining) [2022-04-18 19:04:13,260 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr15ASSERT_VIOLATIONDATA_RACE (75 of 143 remaining) [2022-04-18 19:04:13,260 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr11ASSERT_VIOLATIONDATA_RACE (74 of 143 remaining) [2022-04-18 19:04:13,260 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr16ASSERT_VIOLATIONDATA_RACE (73 of 143 remaining) [2022-04-18 19:04:13,260 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr12ASSERT_VIOLATIONDATA_RACE (72 of 143 remaining) [2022-04-18 19:04:13,260 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr17ASSERT_VIOLATIONDATA_RACE (71 of 143 remaining) [2022-04-18 19:04:13,261 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr13ASSERT_VIOLATIONDATA_RACE (70 of 143 remaining) [2022-04-18 19:04:13,261 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr18ASSERT_VIOLATIONDATA_RACE (69 of 143 remaining) [2022-04-18 19:04:13,261 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr19ASSERT_VIOLATIONDATA_RACE (68 of 143 remaining) [2022-04-18 19:04:13,261 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr21ASSERT_VIOLATIONDATA_RACE (67 of 143 remaining) [2022-04-18 19:04:13,261 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr20ASSERT_VIOLATIONDATA_RACE (66 of 143 remaining) [2022-04-18 19:04:13,261 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr22ASSERT_VIOLATIONDATA_RACE (65 of 143 remaining) [2022-04-18 19:04:13,262 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr23ASSERT_VIOLATIONDATA_RACE (64 of 143 remaining) [2022-04-18 19:04:13,262 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr24ASSERT_VIOLATIONDATA_RACE (63 of 143 remaining) [2022-04-18 19:04:13,262 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr25ASSERT_VIOLATIONDATA_RACE (62 of 143 remaining) [2022-04-18 19:04:13,262 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr26ASSERT_VIOLATIONDATA_RACE (61 of 143 remaining) [2022-04-18 19:04:13,262 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr27ASSERT_VIOLATIONDATA_RACE (60 of 143 remaining) [2022-04-18 19:04:13,262 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr28ASSERT_VIOLATIONDATA_RACE (59 of 143 remaining) [2022-04-18 19:04:13,263 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr33ASSERT_VIOLATIONDATA_RACE (58 of 143 remaining) [2022-04-18 19:04:13,263 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr29ASSERT_VIOLATIONDATA_RACE (57 of 143 remaining) [2022-04-18 19:04:13,263 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr34ASSERT_VIOLATIONDATA_RACE (56 of 143 remaining) [2022-04-18 19:04:13,263 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr30ASSERT_VIOLATIONDATA_RACE (55 of 143 remaining) [2022-04-18 19:04:13,263 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr35ASSERT_VIOLATIONDATA_RACE (54 of 143 remaining) [2022-04-18 19:04:13,263 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr31ASSERT_VIOLATIONDATA_RACE (53 of 143 remaining) [2022-04-18 19:04:13,264 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr36ASSERT_VIOLATIONDATA_RACE (52 of 143 remaining) [2022-04-18 19:04:13,264 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr32ASSERT_VIOLATIONDATA_RACE (51 of 143 remaining) [2022-04-18 19:04:13,264 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr37ASSERT_VIOLATIONDATA_RACE (50 of 143 remaining) [2022-04-18 19:04:13,264 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr38ASSERT_VIOLATIONDATA_RACE (49 of 143 remaining) [2022-04-18 19:04:13,264 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr39ASSERT_VIOLATIONDATA_RACE (48 of 143 remaining) [2022-04-18 19:04:13,264 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr40ASSERT_VIOLATIONDATA_RACE (47 of 143 remaining) [2022-04-18 19:04:13,265 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr43ASSERT_VIOLATIONDATA_RACE (46 of 143 remaining) [2022-04-18 19:04:13,265 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr41ASSERT_VIOLATIONDATA_RACE (45 of 143 remaining) [2022-04-18 19:04:13,265 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr42ASSERT_VIOLATIONDATA_RACE (44 of 143 remaining) [2022-04-18 19:04:13,265 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr0ASSERT_VIOLATIONDATA_RACE (43 of 143 remaining) [2022-04-18 19:04:13,265 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr1ASSERT_VIOLATIONDATA_RACE (42 of 143 remaining) [2022-04-18 19:04:13,265 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr2ASSERT_VIOLATIONDATA_RACE (41 of 143 remaining) [2022-04-18 19:04:13,266 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr4ASSERT_VIOLATIONDATA_RACE (40 of 143 remaining) [2022-04-18 19:04:13,266 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr3ASSERT_VIOLATIONDATA_RACE (39 of 143 remaining) [2022-04-18 19:04:13,266 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr5ASSERT_VIOLATIONDATA_RACE (38 of 143 remaining) [2022-04-18 19:04:13,266 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr6ASSERT_VIOLATIONDATA_RACE (37 of 143 remaining) [2022-04-18 19:04:13,266 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr7ASSERT_VIOLATIONDATA_RACE (36 of 143 remaining) [2022-04-18 19:04:13,266 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr8ASSERT_VIOLATIONDATA_RACE (35 of 143 remaining) [2022-04-18 19:04:13,267 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr9ASSERT_VIOLATIONDATA_RACE (34 of 143 remaining) [2022-04-18 19:04:13,267 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr14ASSERT_VIOLATIONDATA_RACE (33 of 143 remaining) [2022-04-18 19:04:13,267 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr10ASSERT_VIOLATIONDATA_RACE (32 of 143 remaining) [2022-04-18 19:04:13,267 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr15ASSERT_VIOLATIONDATA_RACE (31 of 143 remaining) [2022-04-18 19:04:13,267 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr11ASSERT_VIOLATIONDATA_RACE (30 of 143 remaining) [2022-04-18 19:04:13,267 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr16ASSERT_VIOLATIONDATA_RACE (29 of 143 remaining) [2022-04-18 19:04:13,268 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr12ASSERT_VIOLATIONDATA_RACE (28 of 143 remaining) [2022-04-18 19:04:13,268 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr17ASSERT_VIOLATIONDATA_RACE (27 of 143 remaining) [2022-04-18 19:04:13,268 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr13ASSERT_VIOLATIONDATA_RACE (26 of 143 remaining) [2022-04-18 19:04:13,268 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr18ASSERT_VIOLATIONDATA_RACE (25 of 143 remaining) [2022-04-18 19:04:13,268 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr19ASSERT_VIOLATIONDATA_RACE (24 of 143 remaining) [2022-04-18 19:04:13,268 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr21ASSERT_VIOLATIONDATA_RACE (23 of 143 remaining) [2022-04-18 19:04:13,269 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr20ASSERT_VIOLATIONDATA_RACE (22 of 143 remaining) [2022-04-18 19:04:13,269 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr22ASSERT_VIOLATIONDATA_RACE (21 of 143 remaining) [2022-04-18 19:04:13,269 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr23ASSERT_VIOLATIONDATA_RACE (20 of 143 remaining) [2022-04-18 19:04:13,269 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr24ASSERT_VIOLATIONDATA_RACE (19 of 143 remaining) [2022-04-18 19:04:13,269 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr25ASSERT_VIOLATIONDATA_RACE (18 of 143 remaining) [2022-04-18 19:04:13,269 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr26ASSERT_VIOLATIONDATA_RACE (17 of 143 remaining) [2022-04-18 19:04:13,270 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr27ASSERT_VIOLATIONDATA_RACE (16 of 143 remaining) [2022-04-18 19:04:13,270 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr28ASSERT_VIOLATIONDATA_RACE (15 of 143 remaining) [2022-04-18 19:04:13,270 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr33ASSERT_VIOLATIONDATA_RACE (14 of 143 remaining) [2022-04-18 19:04:13,270 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr29ASSERT_VIOLATIONDATA_RACE (13 of 143 remaining) [2022-04-18 19:04:13,270 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr34ASSERT_VIOLATIONDATA_RACE (12 of 143 remaining) [2022-04-18 19:04:13,270 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr30ASSERT_VIOLATIONDATA_RACE (11 of 143 remaining) [2022-04-18 19:04:13,271 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr35ASSERT_VIOLATIONDATA_RACE (10 of 143 remaining) [2022-04-18 19:04:13,271 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr31ASSERT_VIOLATIONDATA_RACE (9 of 143 remaining) [2022-04-18 19:04:13,271 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr36ASSERT_VIOLATIONDATA_RACE (8 of 143 remaining) [2022-04-18 19:04:13,271 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr32ASSERT_VIOLATIONDATA_RACE (7 of 143 remaining) [2022-04-18 19:04:13,271 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr37ASSERT_VIOLATIONDATA_RACE (6 of 143 remaining) [2022-04-18 19:04:13,271 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr38ASSERT_VIOLATIONDATA_RACE (5 of 143 remaining) [2022-04-18 19:04:13,271 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr39ASSERT_VIOLATIONDATA_RACE (4 of 143 remaining) [2022-04-18 19:04:13,272 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr40ASSERT_VIOLATIONDATA_RACE (3 of 143 remaining) [2022-04-18 19:04:13,272 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr43ASSERT_VIOLATIONDATA_RACE (2 of 143 remaining) [2022-04-18 19:04:13,272 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr41ASSERT_VIOLATIONDATA_RACE (1 of 143 remaining) [2022-04-18 19:04:13,272 INFO L788 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr42ASSERT_VIOLATIONDATA_RACE (0 of 143 remaining) [2022-04-18 19:04:13,272 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 19:04:13,274 INFO L719 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2022-04-18 19:04:13,276 WARN L232 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-04-18 19:04:13,276 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-04-18 19:04:13,376 INFO L135 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-04-18 19:04:13,379 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 19:04:13,379 INFO L340 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 [2022-04-18 19:04:13,379 INFO L341 AbstractCegarLoop]: Starting to check reachability of 187 error locations. [2022-04-18 19:04:13,388 INFO L116 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-04-18 19:04:13,388 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1447 places, 1543 transitions, 3104 flow [2022-04-18 19:04:13,389 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 1447 places, 1543 transitions, 3104 flow [2022-04-18 19:04:13,389 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1447 places, 1543 transitions, 3104 flow [2022-04-18 19:04:15,203 INFO L129 PetriNetUnfolder]: 179/2618 cut-off events. [2022-04-18 19:04:15,204 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-04-18 19:04:15,362 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2632 conditions, 2618 events. 179/2618 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 13375 event pairs, 0 based on Foata normal form. 0/2196 useless extension candidates. Maximal degree in co-relation 1600. Up to 8 conditions per place. [2022-04-18 19:04:15,897 INFO L116 LiptonReduction]: Number of co-enabled transitions 1343980 [2022-04-18 19:10:02,248 WARN L232 SmtUtils]: Spent 6.62s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-04-18 19:10:13,298 WARN L232 SmtUtils]: Spent 6.69s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Killed by 15