./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/peterson.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4e5ed5-ad6c-4584-927d-fc4d2bdef794/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4e5ed5-ad6c-4584-927d-fc4d2bdef794/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4e5ed5-ad6c-4584-927d-fc4d2bdef794/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4e5ed5-ad6c-4584-927d-fc4d2bdef794/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-atomic/peterson.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4e5ed5-ad6c-4584-927d-fc4d2bdef794/bin/utaipan-vmNK8stdcF/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4e5ed5-ad6c-4584-927d-fc4d2bdef794/bin/utaipan-vmNK8stdcF --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 ee3d1a41e169e13d6fb9bc974b1d8f7c8de5421cb2dfbc7e3d9a400662188398 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 01:37:29,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:37:29,889 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:37:29,962 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:37:29,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:37:29,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:37:29,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:37:29,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:37:29,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:37:29,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:37:29,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:37:29,994 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:37:29,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:37:29,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:37:30,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:37:30,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:37:30,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:37:30,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:37:30,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:37:30,029 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:37:30,033 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:37:30,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:37:30,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:37:30,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:37:30,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:37:30,058 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:37:30,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:37:30,062 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:37:30,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:37:30,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:37:30,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:37:30,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:37:30,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:37:30,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:37:30,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:37:30,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:37:30,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:37:30,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:37:30,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:37:30,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:37:30,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:37:30,079 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4e5ed5-ad6c-4584-927d-fc4d2bdef794/bin/utaipan-vmNK8stdcF/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-13 01:37:30,129 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:37:30,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:37:30,132 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:37:30,132 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:37:30,133 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:37:30,133 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:37:30,133 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:37:30,134 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 01:37:30,141 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:37:30,141 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:37:30,141 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 01:37:30,142 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 01:37:30,142 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:37:30,142 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 01:37:30,142 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 01:37:30,143 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 01:37:30,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:37:30,143 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 01:37:30,144 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 01:37:30,144 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 01:37:30,144 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 01:37:30,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:37:30,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 01:37:30,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:37:30,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 01:37:30,145 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-13 01:37:30,145 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 01:37:30,145 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 01:37:30,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 01:37:30,145 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:37:30,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 01:37:30,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:37:30,160 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:37:30,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:37:30,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:37:30,161 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:37:30,161 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 01:37:30,161 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 01:37:30,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 01:37:30,162 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 01:37:30,162 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:37:30,162 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:37:30,163 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4e5ed5-ad6c-4584-927d-fc4d2bdef794/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4e5ed5-ad6c-4584-927d-fc4d2bdef794/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee3d1a41e169e13d6fb9bc974b1d8f7c8de5421cb2dfbc7e3d9a400662188398 [2021-11-13 01:37:30,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:37:30,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:37:30,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:37:30,484 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:37:30,484 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:37:30,486 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4e5ed5-ad6c-4584-927d-fc4d2bdef794/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/pthread-atomic/peterson.i [2021-11-13 01:37:30,583 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4e5ed5-ad6c-4584-927d-fc4d2bdef794/bin/utaipan-vmNK8stdcF/data/a99c5e4f9/5f411db38a3f4577a3db2727015c36bd/FLAG6da38a501 [2021-11-13 01:37:31,354 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:37:31,376 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4e5ed5-ad6c-4584-927d-fc4d2bdef794/sv-benchmarks/c/pthread-atomic/peterson.i [2021-11-13 01:37:31,408 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4e5ed5-ad6c-4584-927d-fc4d2bdef794/bin/utaipan-vmNK8stdcF/data/a99c5e4f9/5f411db38a3f4577a3db2727015c36bd/FLAG6da38a501 [2021-11-13 01:37:31,425 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4e5ed5-ad6c-4584-927d-fc4d2bdef794/bin/utaipan-vmNK8stdcF/data/a99c5e4f9/5f411db38a3f4577a3db2727015c36bd [2021-11-13 01:37:31,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:37:31,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:37:31,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:37:31,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:37:31,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:37:31,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:37:31" (1/1) ... [2021-11-13 01:37:31,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b346650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:31, skipping insertion in model container [2021-11-13 01:37:31,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:37:31" (1/1) ... [2021-11-13 01:37:31,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:37:31,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:37:31,753 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-13 01:37:31,980 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4e5ed5-ad6c-4584-927d-fc4d2bdef794/sv-benchmarks/c/pthread-atomic/peterson.i[30997,31010] [2021-11-13 01:37:31,991 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4e5ed5-ad6c-4584-927d-fc4d2bdef794/sv-benchmarks/c/pthread-atomic/peterson.i[31682,31695] [2021-11-13 01:37:32,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:37:32,015 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 01:37:32,054 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-13 01:37:32,083 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4e5ed5-ad6c-4584-927d-fc4d2bdef794/sv-benchmarks/c/pthread-atomic/peterson.i[30997,31010] [2021-11-13 01:37:32,087 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4e5ed5-ad6c-4584-927d-fc4d2bdef794/sv-benchmarks/c/pthread-atomic/peterson.i[31682,31695] [2021-11-13 01:37:32,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:37:32,144 INFO L208 MainTranslator]: Completed translation [2021-11-13 01:37:32,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:32 WrapperNode [2021-11-13 01:37:32,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:37:32,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 01:37:32,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 01:37:32,147 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 01:37:32,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:32" (1/1) ... [2021-11-13 01:37:32,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:32" (1/1) ... [2021-11-13 01:37:32,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 01:37:32,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 01:37:32,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 01:37:32,227 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 01:37:32,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:32" (1/1) ... [2021-11-13 01:37:32,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:32" (1/1) ... [2021-11-13 01:37:32,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:32" (1/1) ... [2021-11-13 01:37:32,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:32" (1/1) ... [2021-11-13 01:37:32,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:32" (1/1) ... [2021-11-13 01:37:32,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:32" (1/1) ... [2021-11-13 01:37:32,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:32" (1/1) ... [2021-11-13 01:37:32,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 01:37:32,267 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 01:37:32,267 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 01:37:32,267 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 01:37:32,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:32" (1/1) ... [2021-11-13 01:37:32,284 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:37:32,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4e5ed5-ad6c-4584-927d-fc4d2bdef794/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:37:32,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4e5ed5-ad6c-4584-927d-fc4d2bdef794/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 01:37:32,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4e5ed5-ad6c-4584-927d-fc4d2bdef794/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 01:37:32,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 01:37:32,387 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-11-13 01:37:32,387 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-11-13 01:37:32,387 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-13 01:37:32,387 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-13 01:37:32,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 01:37:32,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-13 01:37:32,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 01:37:32,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 01:37:32,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 01:37:32,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-13 01:37:32,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 01:37:32,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 01:37:32,391 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 01:37:33,059 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 01:37:33,060 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 01:37:33,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:37:33 BoogieIcfgContainer [2021-11-13 01:37:33,063 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 01:37:33,065 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 01:37:33,065 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 01:37:33,069 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 01:37:33,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:37:31" (1/3) ... [2021-11-13 01:37:33,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75ad1872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:37:33, skipping insertion in model container [2021-11-13 01:37:33,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:37:32" (2/3) ... [2021-11-13 01:37:33,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75ad1872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:37:33, skipping insertion in model container [2021-11-13 01:37:33,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:37:33" (3/3) ... [2021-11-13 01:37:33,072 INFO L111 eAbstractionObserver]: Analyzing ICFG peterson.i [2021-11-13 01:37:33,078 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-13 01:37:33,079 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 01:37:33,079 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2021-11-13 01:37:33,079 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-13 01:37:33,147 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,147 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,147 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,148 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,148 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,148 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,148 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,148 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,149 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,149 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,149 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,149 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,150 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,150 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,150 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,150 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,151 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,151 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,151 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,152 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,152 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,152 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,152 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,153 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,153 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,153 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,153 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,153 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,154 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,154 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,154 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,155 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,155 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,155 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,155 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,156 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,156 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,156 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,157 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,157 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,157 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,157 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,158 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,158 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,158 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,159 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,159 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,159 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,159 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,160 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,161 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,161 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,161 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,162 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,162 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,162 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,162 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,162 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,163 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,163 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,163 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,163 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,164 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,164 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,164 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,164 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,165 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,165 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,165 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,166 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,166 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,166 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,166 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,167 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,167 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,167 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,167 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,168 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,168 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,168 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,169 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,169 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,169 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,169 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,170 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,170 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,170 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,170 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,171 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,171 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,171 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,171 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,172 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,172 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,172 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,173 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,173 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,173 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,173 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,174 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,177 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,177 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,178 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,178 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,178 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,178 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,178 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,179 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,179 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~f12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,179 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,181 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,181 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~f21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,181 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,181 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,181 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,182 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,182 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,182 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,182 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,183 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~t1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 01:37:33,186 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-13 01:37:33,240 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 01:37:33,257 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 01:37:33,257 INFO L340 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2021-11-13 01:37:33,274 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-13 01:37:33,289 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 122 transitions, 260 flow [2021-11-13 01:37:33,293 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 122 transitions, 260 flow [2021-11-13 01:37:33,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 122 transitions, 260 flow [2021-11-13 01:37:33,381 INFO L129 PetriNetUnfolder]: 6/120 cut-off events. [2021-11-13 01:37:33,382 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-11-13 01:37:33,387 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 120 events. 6/120 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 188 event pairs, 0 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 83. Up to 2 conditions per place. [2021-11-13 01:37:33,394 INFO L116 LiptonReduction]: Number of co-enabled transitions 4160 [2021-11-13 01:37:37,198 INFO L131 LiptonReduction]: Checked pairs total: 14903 [2021-11-13 01:37:37,199 INFO L133 LiptonReduction]: Total number of compositions: 109 [2021-11-13 01:37:37,208 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 60 places, 55 transitions, 126 flow [2021-11-13 01:37:37,276 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1429 states, 1219 states have (on average 3.066447908121411) internal successors, (3738), 1428 states have internal predecessors, (3738), 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) [2021-11-13 01:37:37,283 INFO L276 IsEmpty]: Start isEmpty. Operand has 1429 states, 1219 states have (on average 3.066447908121411) internal successors, (3738), 1428 states have internal predecessors, (3738), 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) [2021-11-13 01:37:37,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 01:37:37,288 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:37,289 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-13 01:37:37,289 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-11-13 01:37:37,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:37,295 INFO L85 PathProgramCache]: Analyzing trace with hash 560704, now seen corresponding path program 1 times [2021-11-13 01:37:37,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:37,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118410395] [2021-11-13 01:37:37,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:37,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:37,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:37,487 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:37,487 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118410395] [2021-11-13 01:37:37,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118410395] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:37,488 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:37,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-13 01:37:37,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274525341] [2021-11-13 01:37:37,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:37,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 01:37:37,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:37,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 01:37:37,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 01:37:37,529 INFO L87 Difference]: Start difference. First operand has 1429 states, 1219 states have (on average 3.066447908121411) internal successors, (3738), 1428 states have internal predecessors, (3738), 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 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-11-13 01:37:37,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:37,648 INFO L93 Difference]: Finished difference Result 449 states and 1092 transitions. [2021-11-13 01:37:37,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 01:37:37,652 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2021-11-13 01:37:37,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:37,684 INFO L225 Difference]: With dead ends: 449 [2021-11-13 01:37:37,684 INFO L226 Difference]: Without dead ends: 438 [2021-11-13 01:37:37,685 INFO L932 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 [2021-11-13 01:37:37,691 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.08ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.37ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:37,693 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 29 Unknown, 0 Unchecked, 1.08ms Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 51.37ms Time] [2021-11-13 01:37:37,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2021-11-13 01:37:37,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 438. [2021-11-13 01:37:37,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 430 states have (on average 2.4790697674418603) internal successors, (1066), 437 states have internal predecessors, (1066), 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) [2021-11-13 01:37:37,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 1066 transitions. [2021-11-13 01:37:37,831 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 1066 transitions. Word has length 3 [2021-11-13 01:37:37,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:37,832 INFO L470 AbstractCegarLoop]: Abstraction has 438 states and 1066 transitions. [2021-11-13 01:37:37,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-11-13 01:37:37,832 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 1066 transitions. [2021-11-13 01:37:37,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 01:37:37,833 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:37,834 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:37,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 01:37:37,835 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-11-13 01:37:37,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:37,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1426124498, now seen corresponding path program 1 times [2021-11-13 01:37:37,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:37,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181807827] [2021-11-13 01:37:37,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:37,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:37,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:37,999 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:37,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181807827] [2021-11-13 01:37:37,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181807827] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:37,999 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:38,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 01:37:38,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787959846] [2021-11-13 01:37:38,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:38,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 01:37:38,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:38,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 01:37:38,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 01:37:38,009 INFO L87 Difference]: Start difference. First operand 438 states and 1066 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:38,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:38,124 INFO L93 Difference]: Finished difference Result 436 states and 1058 transitions. [2021-11-13 01:37:38,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 01:37:38,125 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-13 01:37:38,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:38,131 INFO L225 Difference]: With dead ends: 436 [2021-11-13 01:37:38,138 INFO L226 Difference]: Without dead ends: 436 [2021-11-13 01:37:38,138 INFO L932 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 [2021-11-13 01:37:38,141 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 15 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.03ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 89.84ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:38,142 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 6 Invalid, 82 Unknown, 0 Unchecked, 4.03ms Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 89.84ms Time] [2021-11-13 01:37:38,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2021-11-13 01:37:38,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 436. [2021-11-13 01:37:38,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 428 states have (on average 2.47196261682243) internal successors, (1058), 435 states have internal predecessors, (1058), 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) [2021-11-13 01:37:38,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 1058 transitions. [2021-11-13 01:37:38,177 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 1058 transitions. Word has length 9 [2021-11-13 01:37:38,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:38,177 INFO L470 AbstractCegarLoop]: Abstraction has 436 states and 1058 transitions. [2021-11-13 01:37:38,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:38,178 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 1058 transitions. [2021-11-13 01:37:38,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 01:37:38,181 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:38,181 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:38,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 01:37:38,182 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-11-13 01:37:38,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:38,183 INFO L85 PathProgramCache]: Analyzing trace with hash 411113517, now seen corresponding path program 1 times [2021-11-13 01:37:38,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:38,186 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930629462] [2021-11-13 01:37:38,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:38,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:38,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:38,305 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:38,306 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930629462] [2021-11-13 01:37:38,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930629462] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:38,306 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:38,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 01:37:38,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97998260] [2021-11-13 01:37:38,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:38,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 01:37:38,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:38,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 01:37:38,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 01:37:38,309 INFO L87 Difference]: Start difference. First operand 436 states and 1058 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-11-13 01:37:38,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:38,409 INFO L93 Difference]: Finished difference Result 434 states and 1023 transitions. [2021-11-13 01:37:38,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 01:37:38,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2021-11-13 01:37:38,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:38,413 INFO L225 Difference]: With dead ends: 434 [2021-11-13 01:37:38,414 INFO L226 Difference]: Without dead ends: 360 [2021-11-13 01:37:38,414 INFO L932 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 [2021-11-13 01:37:38,418 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 27 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 64.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.36ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 82.79ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:38,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 7 Invalid, 90 Unknown, 0 Unchecked, 3.36ms Time], IncrementalHoareTripleChecker [4 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 82.79ms Time] [2021-11-13 01:37:38,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2021-11-13 01:37:38,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 348. [2021-11-13 01:37:38,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 342 states have (on average 2.365497076023392) internal successors, (809), 347 states have internal predecessors, (809), 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) [2021-11-13 01:37:38,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 809 transitions. [2021-11-13 01:37:38,438 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 809 transitions. Word has length 11 [2021-11-13 01:37:38,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:38,439 INFO L470 AbstractCegarLoop]: Abstraction has 348 states and 809 transitions. [2021-11-13 01:37:38,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-11-13 01:37:38,439 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 809 transitions. [2021-11-13 01:37:38,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 01:37:38,442 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:38,443 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:38,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 01:37:38,445 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr2Err6ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-11-13 01:37:38,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:38,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1245569158, now seen corresponding path program 1 times [2021-11-13 01:37:38,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:38,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406107724] [2021-11-13 01:37:38,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:38,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:38,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:38,533 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:38,533 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406107724] [2021-11-13 01:37:38,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406107724] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:38,533 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:38,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 01:37:38,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233673687] [2021-11-13 01:37:38,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:38,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 01:37:38,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:38,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 01:37:38,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 01:37:38,542 INFO L87 Difference]: Start difference. First operand 348 states and 809 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-11-13 01:37:38,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:38,633 INFO L93 Difference]: Finished difference Result 336 states and 764 transitions. [2021-11-13 01:37:38,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 01:37:38,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2021-11-13 01:37:38,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:38,636 INFO L225 Difference]: With dead ends: 336 [2021-11-13 01:37:38,637 INFO L226 Difference]: Without dead ends: 284 [2021-11-13 01:37:38,637 INFO L932 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 [2021-11-13 01:37:38,638 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 16 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.62ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 79.08ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:38,639 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 4 Invalid, 81 Unknown, 0 Unchecked, 1.62ms Time], IncrementalHoareTripleChecker [1 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 79.08ms Time] [2021-11-13 01:37:38,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2021-11-13 01:37:38,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 282. [2021-11-13 01:37:38,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 278 states have (on average 2.305755395683453) internal successors, (641), 281 states have internal predecessors, (641), 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) [2021-11-13 01:37:38,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 641 transitions. [2021-11-13 01:37:38,651 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 641 transitions. Word has length 11 [2021-11-13 01:37:38,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:38,653 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 641 transitions. [2021-11-13 01:37:38,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-11-13 01:37:38,653 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 641 transitions. [2021-11-13 01:37:38,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 01:37:38,656 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:38,656 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:38,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 01:37:38,657 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-11-13 01:37:38,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:38,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1269639343, now seen corresponding path program 1 times [2021-11-13 01:37:38,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:38,658 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162177010] [2021-11-13 01:37:38,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:38,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:38,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:38,766 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:38,766 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162177010] [2021-11-13 01:37:38,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162177010] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:38,767 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:38,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 01:37:38,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843767895] [2021-11-13 01:37:38,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:38,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 01:37:38,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:38,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 01:37:38,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:37:38,774 INFO L87 Difference]: Start difference. First operand 282 states and 641 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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) [2021-11-13 01:37:39,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:39,012 INFO L93 Difference]: Finished difference Result 388 states and 906 transitions. [2021-11-13 01:37:39,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 01:37:39,013 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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 17 [2021-11-13 01:37:39,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:39,028 INFO L225 Difference]: With dead ends: 388 [2021-11-13 01:37:39,028 INFO L226 Difference]: Without dead ends: 276 [2021-11-13 01:37:39,029 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-13 01:37:39,030 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 65 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 142.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.01ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 178.18ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:39,030 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 37 Invalid, 248 Unknown, 0 Unchecked, 7.01ms Time], IncrementalHoareTripleChecker [9 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 178.18ms Time] [2021-11-13 01:37:39,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2021-11-13 01:37:39,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 258. [2021-11-13 01:37:39,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 254 states have (on average 2.295275590551181) internal successors, (583), 257 states have internal predecessors, (583), 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) [2021-11-13 01:37:39,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 583 transitions. [2021-11-13 01:37:39,043 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 583 transitions. Word has length 17 [2021-11-13 01:37:39,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:39,043 INFO L470 AbstractCegarLoop]: Abstraction has 258 states and 583 transitions. [2021-11-13 01:37:39,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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) [2021-11-13 01:37:39,044 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 583 transitions. [2021-11-13 01:37:39,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 01:37:39,045 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:37:39,045 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:37:39,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 01:37:39,046 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thr2Err6ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE (and 36 more)] === [2021-11-13 01:37:39,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:37:39,047 INFO L85 PathProgramCache]: Analyzing trace with hash 2076717819, now seen corresponding path program 1 times [2021-11-13 01:37:39,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:37:39,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356087375] [2021-11-13 01:37:39,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:37:39,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:37:39,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:37:39,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:37:39,115 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:37:39,115 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356087375] [2021-11-13 01:37:39,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356087375] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:37:39,115 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:37:39,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 01:37:39,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91510564] [2021-11-13 01:37:39,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:37:39,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 01:37:39,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:37:39,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 01:37:39,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:37:39,117 INFO L87 Difference]: Start difference. First operand 258 states and 583 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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) [2021-11-13 01:37:39,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:37:39,252 INFO L93 Difference]: Finished difference Result 126 states and 304 transitions. [2021-11-13 01:37:39,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:37:39,253 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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 17 [2021-11-13 01:37:39,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:37:39,253 INFO L225 Difference]: With dead ends: 126 [2021-11-13 01:37:39,253 INFO L226 Difference]: Without dead ends: 0 [2021-11-13 01:37:39,254 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-13 01:37:39,254 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 40 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 89.62ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.55ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 111.37ms IncrementalHoareTripleChecker+Time [2021-11-13 01:37:39,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 10 Invalid, 136 Unknown, 0 Unchecked, 2.55ms Time], IncrementalHoareTripleChecker [6 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 111.37ms Time] [2021-11-13 01:37:39,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-13 01:37:39,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-13 01:37:39,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:37:39,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-13 01:37:39,257 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2021-11-13 01:37:39,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:37:39,257 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 01:37:39,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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) [2021-11-13 01:37:39,257 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-13 01:37:39,258 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 01:37:39,260 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (39 of 40 remaining) [2021-11-13 01:37:39,261 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (38 of 40 remaining) [2021-11-13 01:37:39,261 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (37 of 40 remaining) [2021-11-13 01:37:39,262 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (36 of 40 remaining) [2021-11-13 01:37:39,262 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (35 of 40 remaining) [2021-11-13 01:37:39,262 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (34 of 40 remaining) [2021-11-13 01:37:39,265 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (33 of 40 remaining) [2021-11-13 01:37:39,266 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (32 of 40 remaining) [2021-11-13 01:37:39,266 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (31 of 40 remaining) [2021-11-13 01:37:39,266 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (30 of 40 remaining) [2021-11-13 01:37:39,267 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (29 of 40 remaining) [2021-11-13 01:37:39,267 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (28 of 40 remaining) [2021-11-13 01:37:39,267 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (27 of 40 remaining) [2021-11-13 01:37:39,267 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (26 of 40 remaining) [2021-11-13 01:37:39,268 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (25 of 40 remaining) [2021-11-13 01:37:39,268 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (24 of 40 remaining) [2021-11-13 01:37:39,268 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (23 of 40 remaining) [2021-11-13 01:37:39,268 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (22 of 40 remaining) [2021-11-13 01:37:39,269 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (21 of 40 remaining) [2021-11-13 01:37:39,269 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (20 of 40 remaining) [2021-11-13 01:37:39,269 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (19 of 40 remaining) [2021-11-13 01:37:39,269 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (18 of 40 remaining) [2021-11-13 01:37:39,270 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (17 of 40 remaining) [2021-11-13 01:37:39,270 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (16 of 40 remaining) [2021-11-13 01:37:39,270 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (15 of 40 remaining) [2021-11-13 01:37:39,271 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (14 of 40 remaining) [2021-11-13 01:37:39,271 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (13 of 40 remaining) [2021-11-13 01:37:39,271 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (12 of 40 remaining) [2021-11-13 01:37:39,271 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (11 of 40 remaining) [2021-11-13 01:37:39,272 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (10 of 40 remaining) [2021-11-13 01:37:39,272 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (9 of 40 remaining) [2021-11-13 01:37:39,272 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (8 of 40 remaining) [2021-11-13 01:37:39,272 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (7 of 40 remaining) [2021-11-13 01:37:39,273 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (6 of 40 remaining) [2021-11-13 01:37:39,273 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (5 of 40 remaining) [2021-11-13 01:37:39,274 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (4 of 40 remaining) [2021-11-13 01:37:39,274 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (3 of 40 remaining) [2021-11-13 01:37:39,275 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (2 of 40 remaining) [2021-11-13 01:37:39,275 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (1 of 40 remaining) [2021-11-13 01:37:39,275 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (0 of 40 remaining) [2021-11-13 01:37:39,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-13 01:37:39,280 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-13 01:37:39,288 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-13 01:37:39,288 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 01:37:39,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:37:39 BasicIcfg [2021-11-13 01:37:39,293 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 01:37:39,294 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 01:37:39,294 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 01:37:39,294 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 01:37:39,295 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:37:33" (3/4) ... [2021-11-13 01:37:39,299 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 01:37:39,305 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2021-11-13 01:37:39,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2021-11-13 01:37:39,313 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-11-13 01:37:39,313 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-13 01:37:39,313 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-13 01:37:39,314 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 01:37:39,362 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4e5ed5-ad6c-4584-927d-fc4d2bdef794/bin/utaipan-vmNK8stdcF/witness.graphml [2021-11-13 01:37:39,362 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 01:37:39,363 INFO L158 Benchmark]: Toolchain (without parser) took 7933.47ms. Allocated memory was 130.0MB in the beginning and 159.4MB in the end (delta: 29.4MB). Free memory was 107.3MB in the beginning and 104.8MB in the end (delta: 2.5MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2021-11-13 01:37:39,364 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 90.2MB. Free memory was 64.3MB in the beginning and 64.3MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:37:39,364 INFO L158 Benchmark]: CACSL2BoogieTranslator took 714.17ms. Allocated memory is still 130.0MB. Free memory was 107.0MB in the beginning and 87.2MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-13 01:37:39,365 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.62ms. Allocated memory is still 130.0MB. Free memory was 87.2MB in the beginning and 85.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 01:37:39,365 INFO L158 Benchmark]: Boogie Preprocessor took 39.51ms. Allocated memory is still 130.0MB. Free memory was 85.0MB in the beginning and 83.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 01:37:39,365 INFO L158 Benchmark]: RCFGBuilder took 796.46ms. Allocated memory is still 130.0MB. Free memory was 83.5MB in the beginning and 66.2MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-13 01:37:39,366 INFO L158 Benchmark]: TraceAbstraction took 6228.07ms. Allocated memory was 130.0MB in the beginning and 159.4MB in the end (delta: 29.4MB). Free memory was 65.8MB in the beginning and 106.9MB in the end (delta: -41.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:37:39,366 INFO L158 Benchmark]: Witness Printer took 68.56ms. Allocated memory is still 159.4MB. Free memory was 106.9MB in the beginning and 104.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 01:37:39,370 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 90.2MB. Free memory was 64.3MB in the beginning and 64.3MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 714.17ms. Allocated memory is still 130.0MB. Free memory was 107.0MB in the beginning and 87.2MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.62ms. Allocated memory is still 130.0MB. Free memory was 87.2MB in the beginning and 85.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.51ms. Allocated memory is still 130.0MB. Free memory was 85.0MB in the beginning and 83.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 796.46ms. Allocated memory is still 130.0MB. Free memory was 83.5MB in the beginning and 66.2MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6228.07ms. Allocated memory was 130.0MB in the beginning and 159.4MB in the end (delta: 29.4MB). Free memory was 65.8MB in the beginning and 106.9MB in the end (delta: -41.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 68.56ms. Allocated memory is still 159.4MB. Free memory was 106.9MB in the beginning and 104.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.9s, 123 PlacesBefore, 60 PlacesAfterwards, 122 TransitionsBefore, 55 TransitionsAfterwards, 4160 CoEnabledTransitionPairs, 7 FixpointIterations, 28 TrivialSequentialCompositions, 73 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 4 ChoiceCompositions, 109 TotalNumberOfCompositions, 14903 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7901, positive: 7541, positive conditional: 0, positive unconditional: 7541, negative: 360, negative conditional: 0, negative unconditional: 360, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3064, positive: 3005, positive conditional: 0, positive unconditional: 3005, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3064, positive: 2754, positive conditional: 0, positive unconditional: 2754, negative: 310, negative conditional: 0, negative unconditional: 310, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 310, positive: 251, positive conditional: 0, positive unconditional: 251, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 237, positive: 160, positive conditional: 0, positive unconditional: 160, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7901, positive: 4536, positive conditional: 0, positive unconditional: 4536, negative: 301, negative conditional: 0, negative unconditional: 301, unknown: 3064, unknown conditional: 0, unknown unconditional: 3064] , Statistics on independence cache: Total cache size (in pairs): 557, Positive cache size: 521, Positive conditional cache size: 0, Positive unconditional cache size: 521, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 736]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 739]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 742]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 746]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 749]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 752]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 753]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 714]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 718]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 721]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 727]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 764]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 179 locations, 40 error locations. Started 1 CEGAR loops. OverallTime: 6.0s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 163 SdHoareTripleChecker+Valid, 592.63ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 163 mSDsluCounter, 70 SdHoareTripleChecker+Invalid, 463.19ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 276 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 646 IncrementalHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 37 mSDtfsCounter, 646 mSolverCounterSat, 19.65ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1429occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 32 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 132 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 20 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-13 01:37:39,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d4e5ed5-ad6c-4584-927d-fc4d2bdef794/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE