./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_51-mutex_ptr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db4a888-ff9c-4171-84a5-5452c683c32d/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db4a888-ff9c-4171-84a5-5452c683c32d/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db4a888-ff9c-4171-84a5-5452c683c32d/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db4a888-ff9c-4171-84a5-5452c683c32d/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_51-mutex_ptr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db4a888-ff9c-4171-84a5-5452c683c32d/bin/utaipan-UUZaoUuFF8/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db4a888-ff9c-4171-84a5-5452c683c32d/bin/utaipan-UUZaoUuFF8 --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 676d96662ae61a9d27f232e6ef1f1837cf504ffa210b7be2fd6286f04a0fe098 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 00:53:30,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 00:53:30,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 00:53:30,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 00:53:30,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 00:53:30,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 00:53:30,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 00:53:30,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 00:53:30,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 00:53:30,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 00:53:30,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 00:53:30,850 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 00:53:30,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 00:53:30,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 00:53:30,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 00:53:30,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 00:53:30,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 00:53:30,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 00:53:30,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 00:53:30,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 00:53:30,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 00:53:30,881 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 00:53:30,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 00:53:30,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 00:53:30,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 00:53:30,891 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 00:53:30,891 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 00:53:30,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 00:53:30,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 00:53:30,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 00:53:30,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 00:53:30,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 00:53:30,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 00:53:30,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 00:53:30,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 00:53:30,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 00:53:30,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 00:53:30,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 00:53:30,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 00:53:30,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 00:53:30,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 00:53:30,909 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db4a888-ff9c-4171-84a5-5452c683c32d/bin/utaipan-UUZaoUuFF8/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-07 00:53:30,958 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 00:53:30,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 00:53:30,960 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 00:53:30,960 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 00:53:30,960 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 00:53:30,961 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 00:53:30,961 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 00:53:30,961 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 00:53:30,961 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 00:53:30,961 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 00:53:30,962 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 00:53:30,963 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 00:53:30,963 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 00:53:30,963 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 00:53:30,963 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 00:53:30,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 00:53:30,964 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 00:53:30,965 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 00:53:30,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 00:53:30,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 00:53:30,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 00:53:30,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 00:53:30,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 00:53:30,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 00:53:30,966 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-07 00:53:30,966 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 00:53:30,967 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 00:53:30,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 00:53:30,967 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 00:53:30,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 00:53:30,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 00:53:30,969 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 00:53:30,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:53:30,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 00:53:30,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 00:53:30,970 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 00:53:30,970 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 00:53:30,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 00:53:30,971 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 00:53:30,971 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 00:53:30,971 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 00:53:30,971 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_9db4a888-ff9c-4171-84a5-5452c683c32d/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db4a888-ff9c-4171-84a5-5452c683c32d/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 676d96662ae61a9d27f232e6ef1f1837cf504ffa210b7be2fd6286f04a0fe098 [2021-11-07 00:53:31,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 00:53:31,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 00:53:31,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 00:53:31,294 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 00:53:31,295 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 00:53:31,296 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db4a888-ff9c-4171-84a5-5452c683c32d/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/goblint-regression/04-mutex_51-mutex_ptr.i [2021-11-07 00:53:31,378 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db4a888-ff9c-4171-84a5-5452c683c32d/bin/utaipan-UUZaoUuFF8/data/ef4a7a786/970bb4f0ae43453f9bfa44e6056058a9/FLAG3e8030b0a [2021-11-07 00:53:32,030 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 00:53:32,030 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db4a888-ff9c-4171-84a5-5452c683c32d/sv-benchmarks/c/goblint-regression/04-mutex_51-mutex_ptr.i [2021-11-07 00:53:32,052 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db4a888-ff9c-4171-84a5-5452c683c32d/bin/utaipan-UUZaoUuFF8/data/ef4a7a786/970bb4f0ae43453f9bfa44e6056058a9/FLAG3e8030b0a [2021-11-07 00:53:32,281 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db4a888-ff9c-4171-84a5-5452c683c32d/bin/utaipan-UUZaoUuFF8/data/ef4a7a786/970bb4f0ae43453f9bfa44e6056058a9 [2021-11-07 00:53:32,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 00:53:32,285 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 00:53:32,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 00:53:32,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 00:53:32,290 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 00:53:32,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:32" (1/1) ... [2021-11-07 00:53:32,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d0f847a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:32, skipping insertion in model container [2021-11-07 00:53:32,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:53:32" (1/1) ... [2021-11-07 00:53:32,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 00:53:32,369 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 00:53:32,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:53:32,876 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 00:53:32,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 00:53:32,974 INFO L208 MainTranslator]: Completed translation [2021-11-07 00:53:32,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:32 WrapperNode [2021-11-07 00:53:32,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 00:53:32,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 00:53:32,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 00:53:32,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 00:53:32,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:32" (1/1) ... [2021-11-07 00:53:33,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:32" (1/1) ... [2021-11-07 00:53:33,030 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 00:53:33,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 00:53:33,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 00:53:33,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 00:53:33,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:32" (1/1) ... [2021-11-07 00:53:33,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:32" (1/1) ... [2021-11-07 00:53:33,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:32" (1/1) ... [2021-11-07 00:53:33,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:32" (1/1) ... [2021-11-07 00:53:33,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:32" (1/1) ... [2021-11-07 00:53:33,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:32" (1/1) ... [2021-11-07 00:53:33,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:32" (1/1) ... [2021-11-07 00:53:33,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 00:53:33,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 00:53:33,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 00:53:33,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 00:53:33,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:32" (1/1) ... [2021-11-07 00:53:33,089 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 00:53:33,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db4a888-ff9c-4171-84a5-5452c683c32d/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 00:53:33,121 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db4a888-ff9c-4171-84a5-5452c683c32d/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 00:53:33,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db4a888-ff9c-4171-84a5-5452c683c32d/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 00:53:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 00:53:33,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 00:53:33,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 00:53:33,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 00:53:33,171 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-07 00:53:33,171 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-07 00:53:33,171 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-07 00:53:33,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 00:53:33,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 00:53:33,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 00:53:33,173 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-07 00:53:33,677 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 00:53:33,678 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-07 00:53:33,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:53:33 BoogieIcfgContainer [2021-11-07 00:53:33,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 00:53:33,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 00:53:33,682 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 00:53:33,690 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 00:53:33,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:53:32" (1/3) ... [2021-11-07 00:53:33,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4277901c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:53:33, skipping insertion in model container [2021-11-07 00:53:33,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:53:32" (2/3) ... [2021-11-07 00:53:33,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4277901c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:53:33, skipping insertion in model container [2021-11-07 00:53:33,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:53:33" (3/3) ... [2021-11-07 00:53:33,694 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_51-mutex_ptr.i [2021-11-07 00:53:33,699 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-07 00:53:33,699 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 00:53:33,700 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2021-11-07 00:53:33,700 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-07 00:53:33,732 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,732 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,732 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,732 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,733 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,733 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,733 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,733 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,734 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,734 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,734 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,734 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,735 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,735 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,735 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,735 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,736 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,736 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,736 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,737 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,737 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,737 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,738 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,738 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,738 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,738 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,739 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,739 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,739 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,739 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,740 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,740 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,740 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,740 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,741 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,741 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,741 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,741 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,742 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,742 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,742 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,742 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,743 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,743 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,743 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,743 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,744 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,744 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,744 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,744 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,745 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,745 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,745 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,745 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,746 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,746 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,746 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,746 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,747 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,747 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,748 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,748 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,748 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,749 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,749 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,749 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,749 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,750 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,750 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,750 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,750 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,751 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,751 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,751 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,752 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,752 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,752 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,752 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,753 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,753 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,753 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,753 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,754 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,754 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,754 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,759 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,759 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,759 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,764 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,764 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,764 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,764 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,769 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,770 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,770 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,770 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,771 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,771 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~mp1~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,775 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 00:53:33,784 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-07 00:53:33,835 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 00:53:33,841 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 [2021-11-07 00:53:33,842 INFO L340 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2021-11-07 00:53:33,857 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-07 00:53:33,868 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 115 places, 111 transitions, 230 flow [2021-11-07 00:53:33,871 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 115 places, 111 transitions, 230 flow [2021-11-07 00:53:33,873 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 115 places, 111 transitions, 230 flow [2021-11-07 00:53:33,931 INFO L129 PetriNetUnfolder]: 0/110 cut-off events. [2021-11-07 00:53:33,932 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-07 00:53:33,934 INFO L84 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 110 events. 0/110 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 85 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-11-07 00:53:33,938 INFO L116 LiptonReduction]: Number of co-enabled transitions 2304 [2021-11-07 00:53:38,028 INFO L131 LiptonReduction]: Checked pairs total: 32616 [2021-11-07 00:53:38,028 INFO L133 LiptonReduction]: Total number of compositions: 99 [2021-11-07 00:53:38,038 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 55 places, 51 transitions, 110 flow [2021-11-07 00:53:38,083 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 542 states, 511 states have (on average 2.0234833659491196) internal successors, (1034), 541 states have internal predecessors, (1034), 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) [2021-11-07 00:53:38,089 INFO L276 IsEmpty]: Start isEmpty. Operand has 542 states, 511 states have (on average 2.0234833659491196) internal successors, (1034), 541 states have internal predecessors, (1034), 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) [2021-11-07 00:53:38,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2021-11-07 00:53:38,094 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:38,094 INFO L513 BasicCegarLoop]: trace histogram [1] [2021-11-07 00:53:38,095 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-11-07 00:53:38,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:38,100 INFO L85 PathProgramCache]: Analyzing trace with hash 363, now seen corresponding path program 1 times [2021-11-07 00:53:38,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 00:53:38,111 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095087190] [2021-11-07 00:53:38,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:38,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:53:38,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:38,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:38,221 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 00:53:38,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095087190] [2021-11-07 00:53:38,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095087190] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:38,222 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:53:38,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2021-11-07 00:53:38,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253319847] [2021-11-07 00:53:38,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 00:53:38,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 00:53:38,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 00:53:38,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:53:38,248 INFO L87 Difference]: Start difference. First operand has 542 states, 511 states have (on average 2.0234833659491196) internal successors, (1034), 541 states have internal predecessors, (1034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:38,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:38,279 INFO L93 Difference]: Finished difference Result 451 states and 857 transitions. [2021-11-07 00:53:38,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 00:53:38,281 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2021-11-07 00:53:38,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:38,297 INFO L225 Difference]: With dead ends: 451 [2021-11-07 00:53:38,297 INFO L226 Difference]: Without dead ends: 450 [2021-11-07 00:53:38,298 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 00:53:38,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2021-11-07 00:53:38,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2021-11-07 00:53:38,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 439 states have (on average 1.9476082004555808) internal successors, (855), 449 states have internal predecessors, (855), 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) [2021-11-07 00:53:38,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 855 transitions. [2021-11-07 00:53:38,370 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 855 transitions. Word has length 1 [2021-11-07 00:53:38,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:38,370 INFO L470 AbstractCegarLoop]: Abstraction has 450 states and 855 transitions. [2021-11-07 00:53:38,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:38,371 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 855 transitions. [2021-11-07 00:53:38,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-07 00:53:38,372 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:38,372 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:38,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 00:53:38,373 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-11-07 00:53:38,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:38,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1750979431, now seen corresponding path program 1 times [2021-11-07 00:53:38,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 00:53:38,374 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336444075] [2021-11-07 00:53:38,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:38,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:53:38,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:38,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:38,642 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 00:53:38,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336444075] [2021-11-07 00:53:38,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336444075] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:38,643 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:53:38,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 00:53:38,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590115352] [2021-11-07 00:53:38,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 00:53:38,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 00:53:38,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 00:53:38,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-07 00:53:38,647 INFO L87 Difference]: Start difference. First operand 450 states and 855 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:38,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:38,960 INFO L93 Difference]: Finished difference Result 523 states and 995 transitions. [2021-11-07 00:53:38,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 00:53:38,960 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-07 00:53:38,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:38,964 INFO L225 Difference]: With dead ends: 523 [2021-11-07 00:53:38,965 INFO L226 Difference]: Without dead ends: 523 [2021-11-07 00:53:38,965 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-07 00:53:38,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2021-11-07 00:53:38,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 495. [2021-11-07 00:53:38,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 485 states have (on average 1.9402061855670103) internal successors, (941), 494 states have internal predecessors, (941), 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) [2021-11-07 00:53:38,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 941 transitions. [2021-11-07 00:53:38,992 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 941 transitions. Word has length 10 [2021-11-07 00:53:38,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:38,992 INFO L470 AbstractCegarLoop]: Abstraction has 495 states and 941 transitions. [2021-11-07 00:53:38,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:38,993 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 941 transitions. [2021-11-07 00:53:38,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-07 00:53:38,993 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:38,994 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:38,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 00:53:38,994 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-11-07 00:53:38,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:38,995 INFO L85 PathProgramCache]: Analyzing trace with hash -2004746053, now seen corresponding path program 1 times [2021-11-07 00:53:38,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 00:53:38,995 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048593110] [2021-11-07 00:53:38,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:38,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:53:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:39,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:39,166 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 00:53:39,168 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048593110] [2021-11-07 00:53:39,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048593110] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:39,169 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:53:39,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 00:53:39,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687798421] [2021-11-07 00:53:39,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 00:53:39,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 00:53:39,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 00:53:39,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-07 00:53:39,176 INFO L87 Difference]: Start difference. First operand 495 states and 941 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:39,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:39,418 INFO L93 Difference]: Finished difference Result 527 states and 999 transitions. [2021-11-07 00:53:39,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 00:53:39,420 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-07 00:53:39,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:39,424 INFO L225 Difference]: With dead ends: 527 [2021-11-07 00:53:39,424 INFO L226 Difference]: Without dead ends: 527 [2021-11-07 00:53:39,424 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-07 00:53:39,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2021-11-07 00:53:39,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 513. [2021-11-07 00:53:39,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 503 states have (on average 1.934393638170974) internal successors, (973), 512 states have internal predecessors, (973), 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) [2021-11-07 00:53:39,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 973 transitions. [2021-11-07 00:53:39,442 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 973 transitions. Word has length 10 [2021-11-07 00:53:39,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:39,443 INFO L470 AbstractCegarLoop]: Abstraction has 513 states and 973 transitions. [2021-11-07 00:53:39,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:39,443 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 973 transitions. [2021-11-07 00:53:39,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 00:53:39,445 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:39,445 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:39,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 00:53:39,445 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-11-07 00:53:39,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:39,446 INFO L85 PathProgramCache]: Analyzing trace with hash 40844073, now seen corresponding path program 1 times [2021-11-07 00:53:39,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 00:53:39,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251028878] [2021-11-07 00:53:39,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:39,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:53:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:39,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:39,554 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 00:53:39,554 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251028878] [2021-11-07 00:53:39,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251028878] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:39,555 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:53:39,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 00:53:39,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305547966] [2021-11-07 00:53:39,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 00:53:39,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 00:53:39,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 00:53:39,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-07 00:53:39,557 INFO L87 Difference]: Start difference. First operand 513 states and 973 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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) [2021-11-07 00:53:39,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:39,781 INFO L93 Difference]: Finished difference Result 592 states and 1126 transitions. [2021-11-07 00:53:39,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 00:53:39,782 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 16 [2021-11-07 00:53:39,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:39,787 INFO L225 Difference]: With dead ends: 592 [2021-11-07 00:53:39,787 INFO L226 Difference]: Without dead ends: 578 [2021-11-07 00:53:39,788 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-07 00:53:39,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2021-11-07 00:53:39,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 578. [2021-11-07 00:53:39,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 578 states, 568 states have (on average 1.9330985915492958) internal successors, (1098), 577 states have internal predecessors, (1098), 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) [2021-11-07 00:53:39,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 1098 transitions. [2021-11-07 00:53:39,807 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 1098 transitions. Word has length 16 [2021-11-07 00:53:39,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:39,807 INFO L470 AbstractCegarLoop]: Abstraction has 578 states and 1098 transitions. [2021-11-07 00:53:39,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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) [2021-11-07 00:53:39,807 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 1098 transitions. [2021-11-07 00:53:39,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 00:53:39,809 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:39,809 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:39,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 00:53:39,809 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-11-07 00:53:39,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:39,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1626977799, now seen corresponding path program 1 times [2021-11-07 00:53:39,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 00:53:39,810 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015859966] [2021-11-07 00:53:39,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:39,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:53:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:39,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:39,930 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 00:53:39,931 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015859966] [2021-11-07 00:53:39,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015859966] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:39,931 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:53:39,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 00:53:39,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255044566] [2021-11-07 00:53:39,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 00:53:39,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 00:53:39,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 00:53:39,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-07 00:53:39,933 INFO L87 Difference]: Start difference. First operand 578 states and 1098 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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) [2021-11-07 00:53:40,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:40,207 INFO L93 Difference]: Finished difference Result 628 states and 1194 transitions. [2021-11-07 00:53:40,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 00:53:40,208 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 16 [2021-11-07 00:53:40,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:40,213 INFO L225 Difference]: With dead ends: 628 [2021-11-07 00:53:40,213 INFO L226 Difference]: Without dead ends: 628 [2021-11-07 00:53:40,213 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-07 00:53:40,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2021-11-07 00:53:40,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 628. [2021-11-07 00:53:40,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 618 states have (on average 1.9320388349514563) internal successors, (1194), 627 states have internal predecessors, (1194), 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) [2021-11-07 00:53:40,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 1194 transitions. [2021-11-07 00:53:40,233 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 1194 transitions. Word has length 16 [2021-11-07 00:53:40,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:40,233 INFO L470 AbstractCegarLoop]: Abstraction has 628 states and 1194 transitions. [2021-11-07 00:53:40,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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) [2021-11-07 00:53:40,234 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 1194 transitions. [2021-11-07 00:53:40,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-07 00:53:40,235 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:40,235 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:40,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 00:53:40,236 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-11-07 00:53:40,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:40,236 INFO L85 PathProgramCache]: Analyzing trace with hash -76981261, now seen corresponding path program 1 times [2021-11-07 00:53:40,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 00:53:40,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958004246] [2021-11-07 00:53:40,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:40,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:53:40,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:40,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:40,280 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 00:53:40,280 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958004246] [2021-11-07 00:53:40,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958004246] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:40,280 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:53:40,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 00:53:40,283 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771296022] [2021-11-07 00:53:40,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 00:53:40,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 00:53:40,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 00:53:40,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:53:40,284 INFO L87 Difference]: Start difference. First operand 628 states and 1194 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-11-07 00:53:40,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:40,294 INFO L93 Difference]: Finished difference Result 215 states and 358 transitions. [2021-11-07 00:53:40,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 00:53:40,295 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2021-11-07 00:53:40,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:40,297 INFO L225 Difference]: With dead ends: 215 [2021-11-07 00:53:40,297 INFO L226 Difference]: Without dead ends: 215 [2021-11-07 00:53:40,298 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 00:53:40,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2021-11-07 00:53:40,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2021-11-07 00:53:40,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 212 states have (on average 1.6886792452830188) internal successors, (358), 214 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 00:53:40,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 358 transitions. [2021-11-07 00:53:40,305 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 358 transitions. Word has length 20 [2021-11-07 00:53:40,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:40,305 INFO L470 AbstractCegarLoop]: Abstraction has 215 states and 358 transitions. [2021-11-07 00:53:40,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-11-07 00:53:40,307 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 358 transitions. [2021-11-07 00:53:40,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-07 00:53:40,308 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:40,308 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:40,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 00:53:40,309 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-11-07 00:53:40,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:40,309 INFO L85 PathProgramCache]: Analyzing trace with hash 318956471, now seen corresponding path program 1 times [2021-11-07 00:53:40,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 00:53:40,310 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992600986] [2021-11-07 00:53:40,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:40,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:53:40,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:40,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:40,435 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 00:53:40,436 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992600986] [2021-11-07 00:53:40,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992600986] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:40,436 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:53:40,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-07 00:53:40,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379424355] [2021-11-07 00:53:40,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 00:53:40,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 00:53:40,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 00:53:40,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-07 00:53:40,438 INFO L87 Difference]: Start difference. First operand 215 states and 358 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 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) [2021-11-07 00:53:40,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:40,688 INFO L93 Difference]: Finished difference Result 236 states and 389 transitions. [2021-11-07 00:53:40,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 00:53:40,688 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 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 23 [2021-11-07 00:53:40,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:40,690 INFO L225 Difference]: With dead ends: 236 [2021-11-07 00:53:40,690 INFO L226 Difference]: Without dead ends: 183 [2021-11-07 00:53:40,691 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-07 00:53:40,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2021-11-07 00:53:40,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 179. [2021-11-07 00:53:40,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 176 states have (on average 1.75) internal successors, (308), 178 states have internal predecessors, (308), 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) [2021-11-07 00:53:40,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 308 transitions. [2021-11-07 00:53:40,702 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 308 transitions. Word has length 23 [2021-11-07 00:53:40,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:40,703 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 308 transitions. [2021-11-07 00:53:40,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 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) [2021-11-07 00:53:40,704 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 308 transitions. [2021-11-07 00:53:40,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 00:53:40,705 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:40,705 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:40,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 00:53:40,706 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-11-07 00:53:40,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:40,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1174132694, now seen corresponding path program 1 times [2021-11-07 00:53:40,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 00:53:40,707 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15271193] [2021-11-07 00:53:40,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:40,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:53:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:40,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:40,961 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 00:53:40,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15271193] [2021-11-07 00:53:40,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15271193] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:40,962 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:53:40,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-07 00:53:40,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823624521] [2021-11-07 00:53:40,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-07 00:53:40,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 00:53:40,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-07 00:53:40,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-07 00:53:40,964 INFO L87 Difference]: Start difference. First operand 179 states and 308 transitions. Second operand has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 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) [2021-11-07 00:53:41,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:41,237 INFO L93 Difference]: Finished difference Result 169 states and 289 transitions. [2021-11-07 00:53:41,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 00:53:41,238 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 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 33 [2021-11-07 00:53:41,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:41,239 INFO L225 Difference]: With dead ends: 169 [2021-11-07 00:53:41,239 INFO L226 Difference]: Without dead ends: 159 [2021-11-07 00:53:41,240 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2021-11-07 00:53:41,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-11-07 00:53:41,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 140. [2021-11-07 00:53:41,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 139 states have (on average 1.7050359712230216) internal successors, (237), 139 states have internal predecessors, (237), 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) [2021-11-07 00:53:41,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 237 transitions. [2021-11-07 00:53:41,244 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 237 transitions. Word has length 33 [2021-11-07 00:53:41,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:41,245 INFO L470 AbstractCegarLoop]: Abstraction has 140 states and 237 transitions. [2021-11-07 00:53:41,245 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 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) [2021-11-07 00:53:41,245 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 237 transitions. [2021-11-07 00:53:41,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 00:53:41,246 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 00:53:41,246 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:41,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-07 00:53:41,246 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2021-11-07 00:53:41,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 00:53:41,247 INFO L85 PathProgramCache]: Analyzing trace with hash 113704057, now seen corresponding path program 1 times [2021-11-07 00:53:41,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 00:53:41,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476900308] [2021-11-07 00:53:41,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 00:53:41,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 00:53:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 00:53:41,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 00:53:41,382 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 00:53:41,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476900308] [2021-11-07 00:53:41,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476900308] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 00:53:41,383 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 00:53:41,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-07 00:53:41,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543034916] [2021-11-07 00:53:41,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-07 00:53:41,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 00:53:41,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-07 00:53:41,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-07 00:53:41,384 INFO L87 Difference]: Start difference. First operand 140 states and 237 transitions. Second operand has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 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) [2021-11-07 00:53:41,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 00:53:41,772 INFO L93 Difference]: Finished difference Result 134 states and 226 transitions. [2021-11-07 00:53:41,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 00:53:41,773 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 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 33 [2021-11-07 00:53:41,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 00:53:41,773 INFO L225 Difference]: With dead ends: 134 [2021-11-07 00:53:41,773 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 00:53:41,774 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2021-11-07 00:53:41,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 00:53:41,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 00:53:41,774 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) [2021-11-07 00:53:41,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 00:53:41,775 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2021-11-07 00:53:41,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 00:53:41,775 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 00:53:41,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 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) [2021-11-07 00:53:41,775 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 00:53:41,775 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 00:53:41,777 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE [2021-11-07 00:53:41,778 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE [2021-11-07 00:53:41,778 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE [2021-11-07 00:53:41,778 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE [2021-11-07 00:53:41,778 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE [2021-11-07 00:53:41,779 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE [2021-11-07 00:53:41,779 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-07 00:53:41,779 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-11-07 00:53:41,779 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-11-07 00:53:41,779 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE [2021-11-07 00:53:41,780 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE [2021-11-07 00:53:41,780 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE [2021-11-07 00:53:41,780 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE [2021-11-07 00:53:41,780 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE [2021-11-07 00:53:41,780 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE [2021-11-07 00:53:41,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-07 00:53:41,783 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 00:53:41,787 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-07 00:53:41,787 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 00:53:41,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:53:41 BasicIcfg [2021-11-07 00:53:41,789 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 00:53:41,790 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 00:53:41,790 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 00:53:41,790 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 00:53:41,791 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:53:33" (3/4) ... [2021-11-07 00:53:41,793 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 00:53:41,799 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2021-11-07 00:53:41,805 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-07 00:53:41,805 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-07 00:53:41,805 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 00:53:41,844 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db4a888-ff9c-4171-84a5-5452c683c32d/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 00:53:41,844 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 00:53:41,846 INFO L168 Benchmark]: Toolchain (without parser) took 9559.75 ms. Allocated memory was 94.4 MB in the beginning and 167.8 MB in the end (delta: 73.4 MB). Free memory was 57.6 MB in the beginning and 123.5 MB in the end (delta: -65.9 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:41,847 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 94.4 MB. Free memory was 63.0 MB in the beginning and 62.9 MB in the end (delta: 25.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 00:53:41,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 688.41 ms. Allocated memory is still 94.4 MB. Free memory was 57.5 MB in the beginning and 51.5 MB in the end (delta: 5.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:41,848 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.07 ms. Allocated memory is still 94.4 MB. Free memory was 51.5 MB in the beginning and 49.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:41,848 INFO L168 Benchmark]: Boogie Preprocessor took 48.84 ms. Allocated memory is still 94.4 MB. Free memory was 49.1 MB in the beginning and 47.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:41,849 INFO L168 Benchmark]: RCFGBuilder took 599.68 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 47.0 MB in the beginning and 84.3 MB in the end (delta: -37.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:41,849 INFO L168 Benchmark]: TraceAbstraction took 8107.83 ms. Allocated memory was 113.2 MB in the beginning and 167.8 MB in the end (delta: 54.5 MB). Free memory was 83.6 MB in the beginning and 126.6 MB in the end (delta: -43.0 MB). Peak memory consumption was 10.9 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:41,850 INFO L168 Benchmark]: Witness Printer took 54.67 ms. Allocated memory is still 167.8 MB. Free memory was 126.6 MB in the beginning and 123.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 00:53:41,853 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 94.4 MB. Free memory was 63.0 MB in the beginning and 62.9 MB in the end (delta: 25.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 688.41 ms. Allocated memory is still 94.4 MB. Free memory was 57.5 MB in the beginning and 51.5 MB in the end (delta: 5.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 54.07 ms. Allocated memory is still 94.4 MB. Free memory was 51.5 MB in the beginning and 49.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.84 ms. Allocated memory is still 94.4 MB. Free memory was 49.1 MB in the beginning and 47.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 599.68 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 47.0 MB in the beginning and 84.3 MB in the end (delta: -37.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8107.83 ms. Allocated memory was 113.2 MB in the beginning and 167.8 MB in the end (delta: 54.5 MB). Free memory was 83.6 MB in the beginning and 126.6 MB in the end (delta: -43.0 MB). Peak memory consumption was 10.9 MB. Max. memory is 16.1 GB. * Witness Printer took 54.67 ms. Allocated memory is still 167.8 MB. Free memory was 126.6 MB in the beginning and 123.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.1s, 115 PlacesBefore, 55 PlacesAfterwards, 111 TransitionsBefore, 51 TransitionsAfterwards, 2304 CoEnabledTransitionPairs, 16 FixpointIterations, 40 TrivialSequentialCompositions, 59 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 99 TotalNumberOfCompositions, 32616 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10510, positive: 9160, positive conditional: 0, positive unconditional: 9160, negative: 1350, negative conditional: 0, negative unconditional: 1350, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2085, positive: 1951, positive conditional: 0, positive unconditional: 1951, negative: 134, negative conditional: 0, negative unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2085, positive: 1360, positive conditional: 0, positive unconditional: 1360, negative: 725, negative conditional: 0, negative unconditional: 725, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 725, positive: 591, positive conditional: 0, positive unconditional: 591, negative: 134, negative conditional: 0, negative unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 979, positive: 586, positive conditional: 0, positive unconditional: 586, negative: 394, negative conditional: 0, negative unconditional: 394, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 10510, positive: 7209, positive conditional: 0, positive unconditional: 7209, negative: 1216, negative conditional: 0, negative unconditional: 1216, unknown: 2085, unknown conditional: 0, unknown unconditional: 2085] , Statistics on independence cache: Total cache size (in pairs): 503, Positive cache size: 434, Positive conditional cache size: 0, Positive unconditional cache size: 434, Negative cache size: 69, Negative conditional cache size: 0, Negative unconditional cache size: 69 - 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: 933]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 935]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 937]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 937]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 939]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 926]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 926]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 927]: 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 3 procedures, 146 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 7.9s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 402 SDtfs, 362 SDslu, 265 SDs, 0 SdLazy, 1583 SolverSat, 173 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=628occurred in iteration=5, InterpolantAutomatonStates: 55, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 65 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 153 ConstructedInterpolants, 0 QuantifiedInterpolants, 1265 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-07 00:53:41,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db4a888-ff9c-4171-84a5-5452c683c32d/bin/utaipan-UUZaoUuFF8/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