./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/triangular-longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637deb87-d9b5-4c5c-99a4-613831d82a57/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637deb87-d9b5-4c5c-99a4-613831d82a57/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637deb87-d9b5-4c5c-99a4-613831d82a57/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637deb87-d9b5-4c5c-99a4-613831d82a57/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/triangular-longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637deb87-d9b5-4c5c-99a4-613831d82a57/bin/utaipan-EQgc7hIp5V/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637deb87-d9b5-4c5c-99a4-613831d82a57/bin/utaipan-EQgc7hIp5V --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 874fb84f685baf0441a9bf8db1864605baa10908128545fe3028b9b499246108 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:54:12,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:54:12,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:54:12,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:54:12,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:54:12,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:54:12,956 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:54:12,959 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:54:12,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:54:12,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:54:12,964 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:54:12,966 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:54:12,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:54:12,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:54:12,970 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:54:12,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:54:12,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:54:12,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:54:12,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:54:12,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:54:12,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:54:12,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:54:12,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:54:12,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:54:12,992 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:54:12,992 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:54:12,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:54:12,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:54:12,995 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:54:12,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:54:12,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:54:12,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:54:12,999 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:54:13,001 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:54:13,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:54:13,003 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:54:13,004 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:54:13,004 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:54:13,004 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:54:13,005 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:54:13,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:54:13,007 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637deb87-d9b5-4c5c-99a4-613831d82a57/bin/utaipan-EQgc7hIp5V/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-23 03:54:13,033 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:54:13,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:54:13,033 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:54:13,034 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:54:13,034 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:54:13,035 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:54:13,035 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:54:13,035 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:54:13,035 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:54:13,036 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:54:13,036 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:54:13,036 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:54:13,036 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:54:13,037 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:54:13,037 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:54:13,037 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:54:13,037 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:54:13,038 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:54:13,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:54:13,039 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:54:13,039 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 03:54:13,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:54:13,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:54:13,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:54:13,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:54:13,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:54:13,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:54:13,040 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-23 03:54:13,041 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:54:13,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:54:13,041 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:54:13,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:54:13,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:54:13,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:54:13,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:54:13,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:54:13,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:54:13,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:54:13,043 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:54:13,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:54:13,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:54:13,044 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:54:13,044 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:54:13,044 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_637deb87-d9b5-4c5c-99a4-613831d82a57/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637deb87-d9b5-4c5c-99a4-613831d82a57/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 874fb84f685baf0441a9bf8db1864605baa10908128545fe3028b9b499246108 [2021-11-23 03:54:13,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:54:13,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:54:13,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:54:13,453 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:54:13,454 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:54:13,455 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637deb87-d9b5-4c5c-99a4-613831d82a57/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/pthread/triangular-longest-2.i [2021-11-23 03:54:13,532 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637deb87-d9b5-4c5c-99a4-613831d82a57/bin/utaipan-EQgc7hIp5V/data/f89b1d70b/d2d5b6970df0460baf95ec70b35b86bf/FLAGb52e9fb8f [2021-11-23 03:54:14,259 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:54:14,259 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637deb87-d9b5-4c5c-99a4-613831d82a57/sv-benchmarks/c/pthread/triangular-longest-2.i [2021-11-23 03:54:14,288 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637deb87-d9b5-4c5c-99a4-613831d82a57/bin/utaipan-EQgc7hIp5V/data/f89b1d70b/d2d5b6970df0460baf95ec70b35b86bf/FLAGb52e9fb8f [2021-11-23 03:54:14,527 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637deb87-d9b5-4c5c-99a4-613831d82a57/bin/utaipan-EQgc7hIp5V/data/f89b1d70b/d2d5b6970df0460baf95ec70b35b86bf [2021-11-23 03:54:14,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:54:14,532 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:54:14,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:54:14,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:54:14,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:54:14,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:14" (1/1) ... [2021-11-23 03:54:14,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56e81b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:14, skipping insertion in model container [2021-11-23 03:54:14,546 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:14" (1/1) ... [2021-11-23 03:54:14,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:54:14,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:54:15,051 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637deb87-d9b5-4c5c-99a4-613831d82a57/sv-benchmarks/c/pthread/triangular-longest-2.i[30964,30977] [2021-11-23 03:54:15,052 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:54:15,060 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:54:15,149 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637deb87-d9b5-4c5c-99a4-613831d82a57/sv-benchmarks/c/pthread/triangular-longest-2.i[30964,30977] [2021-11-23 03:54:15,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:54:15,211 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:54:15,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:15 WrapperNode [2021-11-23 03:54:15,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:54:15,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:54:15,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:54:15,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:54:15,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:15" (1/1) ... [2021-11-23 03:54:15,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:15" (1/1) ... [2021-11-23 03:54:15,295 INFO L137 Inliner]: procedures = 169, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2021-11-23 03:54:15,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:54:15,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:54:15,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:54:15,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:54:15,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:15" (1/1) ... [2021-11-23 03:54:15,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:15" (1/1) ... [2021-11-23 03:54:15,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:15" (1/1) ... [2021-11-23 03:54:15,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:15" (1/1) ... [2021-11-23 03:54:15,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:15" (1/1) ... [2021-11-23 03:54:15,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:15" (1/1) ... [2021-11-23 03:54:15,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:15" (1/1) ... [2021-11-23 03:54:15,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:54:15,350 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:54:15,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:54:15,350 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:54:15,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:15" (1/1) ... [2021-11-23 03:54:15,363 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:54:15,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637deb87-d9b5-4c5c-99a4-613831d82a57/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:54:15,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637deb87-d9b5-4c5c-99a4-613831d82a57/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:54:15,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637deb87-d9b5-4c5c-99a4-613831d82a57/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:54:15,435 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-23 03:54:15,436 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-23 03:54:15,436 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-23 03:54:15,436 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-23 03:54:15,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:54:15,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 03:54:15,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:54:15,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:54:15,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:54:15,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:54:15,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 03:54:15,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:54:15,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:54:15,439 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 03:54:15,561 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:54:15,563 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:54:15,798 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:54:15,882 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:54:15,895 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 03:54:15,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:54:15 BoogieIcfgContainer [2021-11-23 03:54:15,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:54:15,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:54:15,901 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:54:15,909 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:54:15,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:54:14" (1/3) ... [2021-11-23 03:54:15,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cef96f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:54:15, skipping insertion in model container [2021-11-23 03:54:15,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:15" (2/3) ... [2021-11-23 03:54:15,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cef96f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:54:15, skipping insertion in model container [2021-11-23 03:54:15,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:54:15" (3/3) ... [2021-11-23 03:54:15,913 INFO L111 eAbstractionObserver]: Analyzing ICFG triangular-longest-2.i [2021-11-23 03:54:15,922 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 03:54:15,922 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:54:15,923 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-23 03:54:15,923 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 03:54:15,981 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,982 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,982 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,982 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,983 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,983 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,983 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,984 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,984 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,984 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,985 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,985 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,985 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,986 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,986 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,986 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,987 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,987 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,987 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,987 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,988 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,988 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,988 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,989 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,989 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,989 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,989 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,990 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,990 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,990 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,991 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,991 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,992 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,992 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,992 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,992 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,993 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,993 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,993 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,993 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,994 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,995 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,995 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,995 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,996 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,996 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,996 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,997 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,997 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,997 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,998 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,998 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,998 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,999 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,999 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:15,999 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:16,000 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:16,000 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:16,000 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:16,001 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:16,001 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:16,001 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:16,001 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:16,002 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:16,009 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:16,010 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:16,010 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:16,010 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:16,010 WARN L322 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:16,011 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:16,011 WARN L322 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:16,013 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:16,013 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:16,013 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:16,013 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:16,014 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:16,014 WARN L322 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:16,014 WARN L322 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~k~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 03:54:16,015 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-23 03:54:16,106 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:54:16,117 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 [2021-11-23 03:54:16,121 INFO L340 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2021-11-23 03:54:16,140 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-23 03:54:16,160 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 75 transitions, 160 flow [2021-11-23 03:54:16,170 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 75 transitions, 160 flow [2021-11-23 03:54:16,173 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 75 transitions, 160 flow [2021-11-23 03:54:16,256 INFO L129 PetriNetUnfolder]: 5/73 cut-off events. [2021-11-23 03:54:16,258 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-23 03:54:16,264 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 73 events. 5/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 92 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 52. Up to 2 conditions per place. [2021-11-23 03:54:16,270 INFO L116 LiptonReduction]: Number of co-enabled transitions 1430 [2021-11-23 03:54:19,102 INFO L131 LiptonReduction]: Checked pairs total: 1365 [2021-11-23 03:54:19,102 INFO L133 LiptonReduction]: Total number of compositions: 69 [2021-11-23 03:54:19,111 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 25 places, 21 transitions, 52 flow [2021-11-23 03:54:19,132 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 136 states, 109 states have (on average 3.6055045871559632) internal successors, (393), 135 states have internal predecessors, (393), 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) [2021-11-23 03:54:19,135 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 109 states have (on average 3.6055045871559632) internal successors, (393), 135 states have internal predecessors, (393), 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) [2021-11-23 03:54:19,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 03:54:19,141 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:54:19,142 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-23 03:54:19,142 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 9 more)] === [2021-11-23 03:54:19,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:54:19,148 INFO L85 PathProgramCache]: Analyzing trace with hash 10275779, now seen corresponding path program 1 times [2021-11-23 03:54:19,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:54:19,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163872045] [2021-11-23 03:54:19,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:54:19,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:54:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:54:19,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 03:54:19,336 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:54:19,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163872045] [2021-11-23 03:54:19,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163872045] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:54:19,337 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:54:19,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-23 03:54:19,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039374549] [2021-11-23 03:54:19,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:54:19,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 03:54:19,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:54:19,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 03:54:19,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 03:54:19,377 INFO L87 Difference]: Start difference. First operand has 136 states, 109 states have (on average 3.6055045871559632) internal successors, (393), 135 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:54:19,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:54:19,426 INFO L93 Difference]: Finished difference Result 34 states and 83 transitions. [2021-11-23 03:54:19,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 03:54:19,429 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-11-23 03:54:19,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:54:19,435 INFO L225 Difference]: With dead ends: 34 [2021-11-23 03:54:19,436 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 03:54:19,437 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 [2021-11-23 03:54:19,443 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:54:19,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 03:54:19,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 03:54:19,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 03:54:19,475 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) [2021-11-23 03:54:19,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 03:54:19,477 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-11-23 03:54:19,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:54:19,477 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 03:54:19,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 03:54:19,478 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 03:54:19,478 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 03:54:19,481 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2021-11-23 03:54:19,487 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2021-11-23 03:54:19,487 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (9 of 12 remaining) [2021-11-23 03:54:19,488 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (8 of 12 remaining) [2021-11-23 03:54:19,488 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2021-11-23 03:54:19,488 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2021-11-23 03:54:19,489 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2021-11-23 03:54:19,489 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2021-11-23 03:54:19,490 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2021-11-23 03:54:19,490 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2021-11-23 03:54:19,490 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2021-11-23 03:54:19,491 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2021-11-23 03:54:19,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:54:19,494 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-23 03:54:19,501 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-23 03:54:19,501 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 03:54:19,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:54:19 BasicIcfg [2021-11-23 03:54:19,506 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 03:54:19,508 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 03:54:19,508 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 03:54:19,509 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 03:54:19,509 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:54:15" (3/4) ... [2021-11-23 03:54:19,515 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 03:54:19,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t1 [2021-11-23 03:54:19,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t2 [2021-11-23 03:54:19,528 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-11-23 03:54:19,528 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-23 03:54:19,529 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 03:54:19,529 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 03:54:19,580 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637deb87-d9b5-4c5c-99a4-613831d82a57/bin/utaipan-EQgc7hIp5V/witness.graphml [2021-11-23 03:54:19,584 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 03:54:19,585 INFO L158 Benchmark]: Toolchain (without parser) took 5052.99ms. Allocated memory was 111.1MB in the beginning and 146.8MB in the end (delta: 35.7MB). Free memory was 71.9MB in the beginning and 88.9MB in the end (delta: -17.1MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2021-11-23 03:54:19,586 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 111.1MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:54:19,586 INFO L158 Benchmark]: CACSL2BoogieTranslator took 674.46ms. Allocated memory is still 111.1MB. Free memory was 71.7MB in the beginning and 82.3MB in the end (delta: -10.6MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2021-11-23 03:54:19,587 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.15ms. Allocated memory is still 111.1MB. Free memory was 82.3MB in the beginning and 80.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 03:54:19,588 INFO L158 Benchmark]: Boogie Preprocessor took 52.38ms. Allocated memory is still 111.1MB. Free memory was 80.2MB in the beginning and 79.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:54:19,590 INFO L158 Benchmark]: RCFGBuilder took 549.14ms. Allocated memory is still 111.1MB. Free memory was 78.8MB in the beginning and 65.7MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 03:54:19,591 INFO L158 Benchmark]: TraceAbstraction took 3606.07ms. Allocated memory was 111.1MB in the beginning and 146.8MB in the end (delta: 35.7MB). Free memory was 65.2MB in the beginning and 92.2MB in the end (delta: -27.0MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2021-11-23 03:54:19,592 INFO L158 Benchmark]: Witness Printer took 76.32ms. Allocated memory is still 146.8MB. Free memory was 92.2MB in the beginning and 88.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 03:54:19,595 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 111.1MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 674.46ms. Allocated memory is still 111.1MB. Free memory was 71.7MB in the beginning and 82.3MB in the end (delta: -10.6MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.15ms. Allocated memory is still 111.1MB. Free memory was 82.3MB in the beginning and 80.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.38ms. Allocated memory is still 111.1MB. Free memory was 80.2MB in the beginning and 79.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 549.14ms. Allocated memory is still 111.1MB. Free memory was 78.8MB in the beginning and 65.7MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3606.07ms. Allocated memory was 111.1MB in the beginning and 146.8MB in the end (delta: 35.7MB). Free memory was 65.2MB in the beginning and 92.2MB in the end (delta: -27.0MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Witness Printer took 76.32ms. Allocated memory is still 146.8MB. Free memory was 92.2MB in the beginning and 88.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.9s, 77 PlacesBefore, 25 PlacesAfterwards, 75 TransitionsBefore, 21 TransitionsAfterwards, 1430 CoEnabledTransitionPairs, 5 FixpointIterations, 21 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 2 ChoiceCompositions, 69 TotalNumberOfCompositions, 1365 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1251, positive: 1235, positive conditional: 0, positive unconditional: 1235, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 942, positive: 930, positive conditional: 0, positive unconditional: 930, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 942, positive: 886, positive conditional: 0, positive unconditional: 886, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 56, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 122, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1251, positive: 305, positive conditional: 0, positive unconditional: 305, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 942, unknown conditional: 0, unknown unconditional: 942] , Statistics on independence cache: Total cache size (in pairs): 20, Positive cache size: 18, Positive conditional cache size: 0, Positive unconditional cache size: 18, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: 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, 97 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 3 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-23 03:54:19,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_637deb87-d9b5-4c5c-99a4-613831d82a57/bin/utaipan-EQgc7hIp5V/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