./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_54-pt_rwlock_ww.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1330da63-c269-4662-9555-eba3b2427694/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1330da63-c269-4662-9555-eba3b2427694/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1330da63-c269-4662-9555-eba3b2427694/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1330da63-c269-4662-9555-eba3b2427694/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_54-pt_rwlock_ww.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1330da63-c269-4662-9555-eba3b2427694/bin/uautomizer-YU5uOKAj3y/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1330da63-c269-4662-9555-eba3b2427694/bin/uautomizer-YU5uOKAj3y --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a0d4dc1bad36ea6a944d96610a1da4f49d6f4e54f23122f87b052f14d480b584 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:49:32,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:49:32,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:49:32,375 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:49:32,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:49:32,378 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:49:32,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:49:32,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:49:32,386 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:49:32,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:49:32,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:49:32,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:49:32,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:49:32,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:49:32,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:49:32,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:49:32,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:49:32,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:49:32,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:49:32,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:49:32,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:49:32,415 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:49:32,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:49:32,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:49:32,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:49:32,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:49:32,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:49:32,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:49:32,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:49:32,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:49:32,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:49:32,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:49:32,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:49:32,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:49:32,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:49:32,447 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:49:32,448 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:49:32,448 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:49:32,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:49:32,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:49:32,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:49:32,452 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1330da63-c269-4662-9555-eba3b2427694/bin/uautomizer-YU5uOKAj3y/config/svcomp-DataRace-32bit-Automizer_Default.epf [2021-11-13 18:49:32,503 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:49:32,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:49:32,505 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:49:32,512 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:49:32,513 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:49:32,514 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:49:32,515 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:49:32,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:49:32,515 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:49:32,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:49:32,517 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:49:32,517 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 18:49:32,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:49:32,518 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:49:32,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:49:32,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:49:32,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:49:32,519 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:49:32,519 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-13 18:49:32,519 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:49:32,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:49:32,520 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:49:32,520 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:49:32,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:49:32,520 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:49:32,521 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:49:32,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:49:32,521 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:49:32,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:49:32,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:49:32,524 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:49:32,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:49:32,525 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:49:32,525 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 18:49:32,525 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:49:32,525 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:49:32,526 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1330da63-c269-4662-9555-eba3b2427694/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1330da63-c269-4662-9555-eba3b2427694/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0d4dc1bad36ea6a944d96610a1da4f49d6f4e54f23122f87b052f14d480b584 [2021-11-13 18:49:32,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:49:32,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:49:32,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:49:32,908 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:49:32,909 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:49:32,911 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1330da63-c269-4662-9555-eba3b2427694/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/goblint-regression/04-mutex_54-pt_rwlock_ww.i [2021-11-13 18:49:32,983 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1330da63-c269-4662-9555-eba3b2427694/bin/uautomizer-YU5uOKAj3y/data/787089ccc/d5082dfeded54bfa8f2e77f906a182f2/FLAGbe9de1504 [2021-11-13 18:49:33,668 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:49:33,669 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1330da63-c269-4662-9555-eba3b2427694/sv-benchmarks/c/goblint-regression/04-mutex_54-pt_rwlock_ww.i [2021-11-13 18:49:33,688 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1330da63-c269-4662-9555-eba3b2427694/bin/uautomizer-YU5uOKAj3y/data/787089ccc/d5082dfeded54bfa8f2e77f906a182f2/FLAGbe9de1504 [2021-11-13 18:49:33,898 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1330da63-c269-4662-9555-eba3b2427694/bin/uautomizer-YU5uOKAj3y/data/787089ccc/d5082dfeded54bfa8f2e77f906a182f2 [2021-11-13 18:49:33,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:49:33,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:49:33,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:49:33,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:49:33,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:49:33,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:49:33" (1/1) ... [2021-11-13 18:49:33,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae7c207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:33, skipping insertion in model container [2021-11-13 18:49:33,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:49:33" (1/1) ... [2021-11-13 18:49:33,931 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:49:34,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:49:34,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:49:34,729 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:49:34,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:49:34,925 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:49:34,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:34 WrapperNode [2021-11-13 18:49:34,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:49:34,927 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:49:34,927 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:49:34,927 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:49:34,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:34" (1/1) ... [2021-11-13 18:49:34,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:34" (1/1) ... [2021-11-13 18:49:35,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:49:35,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:49:35,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:49:35,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:49:35,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:34" (1/1) ... [2021-11-13 18:49:35,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:34" (1/1) ... [2021-11-13 18:49:35,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:34" (1/1) ... [2021-11-13 18:49:35,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:34" (1/1) ... [2021-11-13 18:49:35,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:34" (1/1) ... [2021-11-13 18:49:35,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:34" (1/1) ... [2021-11-13 18:49:35,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:34" (1/1) ... [2021-11-13 18:49:35,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:49:35,083 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:49:35,083 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:49:35,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:49:35,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:34" (1/1) ... [2021-11-13 18:49:35,100 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:49:35,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1330da63-c269-4662-9555-eba3b2427694/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:49:35,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1330da63-c269-4662-9555-eba3b2427694/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:49:35,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1330da63-c269-4662-9555-eba3b2427694/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:49:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:49:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockWriteLock [2021-11-13 18:49:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:49:35,211 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock [2021-11-13 18:49:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 18:49:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 18:49:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-13 18:49:35,212 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-13 18:49:35,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:49:35,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:49:35,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:49:35,215 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 18:49:35,602 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:49:35,602 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 18:49:35,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:49:35 BoogieIcfgContainer [2021-11-13 18:49:35,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:49:35,607 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:49:35,607 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:49:35,612 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:49:35,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:49:33" (1/3) ... [2021-11-13 18:49:35,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eebf395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:49:35, skipping insertion in model container [2021-11-13 18:49:35,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:49:34" (2/3) ... [2021-11-13 18:49:35,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eebf395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:49:35, skipping insertion in model container [2021-11-13 18:49:35,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:49:35" (3/3) ... [2021-11-13 18:49:35,616 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_54-pt_rwlock_ww.i [2021-11-13 18:49:35,622 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-13 18:49:35,623 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:49:35,623 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2021-11-13 18:49:35,623 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-13 18:49:35,661 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,661 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,661 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,662 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,662 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,662 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,662 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,663 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,663 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,664 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,664 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,665 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,665 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,666 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,666 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,666 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,667 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,667 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,667 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,668 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,668 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,668 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,669 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,669 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,670 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,670 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,670 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,670 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,671 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,671 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,672 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,672 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,673 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,673 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,673 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,674 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,674 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,674 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,678 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,679 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,679 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,679 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,680 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,680 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,680 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,680 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,681 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 18:49:35,686 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-13 18:49:35,778 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:49:35,792 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 18:49:35,793 INFO L340 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2021-11-13 18:49:35,821 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 98 places, 94 transitions, 196 flow [2021-11-13 18:49:35,960 INFO L129 PetriNetUnfolder]: 0/93 cut-off events. [2021-11-13 18:49:35,960 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-13 18:49:35,962 INFO L84 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 93 events. 0/93 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 58 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-11-13 18:49:35,963 INFO L82 GeneralOperation]: Start removeDead. Operand has 98 places, 94 transitions, 196 flow [2021-11-13 18:49:35,970 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 89 places, 85 transitions, 173 flow [2021-11-13 18:49:36,005 INFO L129 PetriNetUnfolder]: 0/44 cut-off events. [2021-11-13 18:49:36,005 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-13 18:49:36,005 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:49:36,006 INFO L254 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:49:36,007 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2021-11-13 18:49:36,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:49:36,013 INFO L85 PathProgramCache]: Analyzing trace with hash 254577099, now seen corresponding path program 1 times [2021-11-13 18:49:36,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:49:36,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740771024] [2021-11-13 18:49:36,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:49:36,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:49:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:36,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:49:36,432 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:49:36,433 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740771024] [2021-11-13 18:49:36,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740771024] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:49:36,434 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:49:36,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 18:49:36,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066481431] [2021-11-13 18:49:36,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:49:36,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:49:36,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:49:36,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:49:36,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:49:36,490 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 94 [2021-11-13 18:49:36,495 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 85 transitions, 173 flow. Second operand has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:49:36,495 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:49:36,496 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 94 [2021-11-13 18:49:36,497 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:49:36,620 INFO L129 PetriNetUnfolder]: 13/238 cut-off events. [2021-11-13 18:49:36,620 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-13 18:49:36,623 INFO L84 FinitePrefix]: Finished finitePrefix Result has 283 conditions, 238 events. 13/238 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 951 event pairs, 4 based on Foata normal form. 0/206 useless extension candidates. Maximal degree in co-relation 242. Up to 25 conditions per place. [2021-11-13 18:49:36,626 INFO L132 encePairwiseOnDemand]: 88/94 looper letters, 10 selfloop transitions, 4 changer transitions 0/89 dead transitions. [2021-11-13 18:49:36,627 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 89 transitions, 209 flow [2021-11-13 18:49:36,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:49:36,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-13 18:49:36,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 265 transitions. [2021-11-13 18:49:36,647 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9397163120567376 [2021-11-13 18:49:36,648 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 265 transitions. [2021-11-13 18:49:36,649 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 265 transitions. [2021-11-13 18:49:36,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:49:36,654 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 265 transitions. [2021-11-13 18:49:36,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:49:36,666 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:49:36,667 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:49:36,670 INFO L186 Difference]: Start difference. First operand has 89 places, 85 transitions, 173 flow. Second operand 3 states and 265 transitions. [2021-11-13 18:49:36,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 89 transitions, 209 flow [2021-11-13 18:49:36,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 89 transitions, 208 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-13 18:49:36,680 INFO L242 Difference]: Finished difference. Result has 91 places, 87 transitions, 200 flow [2021-11-13 18:49:36,683 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=200, PETRI_PLACES=91, PETRI_TRANSITIONS=87} [2021-11-13 18:49:36,688 INFO L334 CegarLoopForPetriNet]: 89 programPoint places, 2 predicate places. [2021-11-13 18:49:36,688 INFO L470 AbstractCegarLoop]: Abstraction has has 91 places, 87 transitions, 200 flow [2021-11-13 18:49:36,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:49:36,689 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:49:36,689 INFO L254 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:49:36,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 18:49:36,690 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2021-11-13 18:49:36,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:49:36,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1137836138, now seen corresponding path program 1 times [2021-11-13 18:49:36,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:49:36,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073072272] [2021-11-13 18:49:36,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:49:36,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:49:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:36,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:49:36,804 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:49:36,804 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073072272] [2021-11-13 18:49:36,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073072272] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:49:36,805 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:49:36,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 18:49:36,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962287063] [2021-11-13 18:49:36,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:49:36,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:49:36,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:49:36,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:49:36,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:49:36,810 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 94 [2021-11-13 18:49:36,811 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 87 transitions, 200 flow. Second operand has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:49:36,811 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:49:36,811 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 94 [2021-11-13 18:49:36,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:49:36,951 INFO L129 PetriNetUnfolder]: 29/305 cut-off events. [2021-11-13 18:49:36,951 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2021-11-13 18:49:36,954 INFO L84 FinitePrefix]: Finished finitePrefix Result has 418 conditions, 305 events. 29/305 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1394 event pairs, 8 based on Foata normal form. 0/269 useless extension candidates. Maximal degree in co-relation 376. Up to 54 conditions per place. [2021-11-13 18:49:36,957 INFO L132 encePairwiseOnDemand]: 88/94 looper letters, 10 selfloop transitions, 4 changer transitions 0/91 dead transitions. [2021-11-13 18:49:36,957 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 91 transitions, 236 flow [2021-11-13 18:49:36,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:49:36,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-13 18:49:36,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 265 transitions. [2021-11-13 18:49:36,961 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9397163120567376 [2021-11-13 18:49:36,961 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 265 transitions. [2021-11-13 18:49:36,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 265 transitions. [2021-11-13 18:49:36,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:49:36,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 265 transitions. [2021-11-13 18:49:36,978 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:49:36,984 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:49:36,988 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:49:36,988 INFO L186 Difference]: Start difference. First operand has 91 places, 87 transitions, 200 flow. Second operand 3 states and 265 transitions. [2021-11-13 18:49:36,989 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 91 transitions, 236 flow [2021-11-13 18:49:36,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 91 transitions, 228 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-13 18:49:36,999 INFO L242 Difference]: Finished difference. Result has 92 places, 89 transitions, 220 flow [2021-11-13 18:49:37,001 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=220, PETRI_PLACES=92, PETRI_TRANSITIONS=89} [2021-11-13 18:49:37,002 INFO L334 CegarLoopForPetriNet]: 89 programPoint places, 3 predicate places. [2021-11-13 18:49:37,005 INFO L470 AbstractCegarLoop]: Abstraction has has 92 places, 89 transitions, 220 flow [2021-11-13 18:49:37,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:49:37,006 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:49:37,006 INFO L254 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:49:37,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 18:49:37,007 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2021-11-13 18:49:37,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:49:37,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1150868936, now seen corresponding path program 1 times [2021-11-13 18:49:37,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:49:37,010 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498752263] [2021-11-13 18:49:37,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:49:37,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:49:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:37,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:49:37,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:49:37,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498752263] [2021-11-13 18:49:37,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498752263] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:49:37,135 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:49:37,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 18:49:37,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993150723] [2021-11-13 18:49:37,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:49:37,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:49:37,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:49:37,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:49:37,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:49:37,142 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 94 [2021-11-13 18:49:37,144 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 89 transitions, 220 flow. Second operand has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:49:37,145 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:49:37,145 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 94 [2021-11-13 18:49:37,145 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:49:37,261 INFO L129 PetriNetUnfolder]: 23/389 cut-off events. [2021-11-13 18:49:37,261 INFO L130 PetriNetUnfolder]: For 39/42 co-relation queries the response was YES. [2021-11-13 18:49:37,263 INFO L84 FinitePrefix]: Finished finitePrefix Result has 552 conditions, 389 events. 23/389 cut-off events. For 39/42 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2125 event pairs, 7 based on Foata normal form. 0/353 useless extension candidates. Maximal degree in co-relation 509. Up to 38 conditions per place. [2021-11-13 18:49:37,266 INFO L132 encePairwiseOnDemand]: 89/94 looper letters, 16 selfloop transitions, 4 changer transitions 0/95 dead transitions. [2021-11-13 18:49:37,266 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 95 transitions, 280 flow [2021-11-13 18:49:37,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:49:37,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-13 18:49:37,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 260 transitions. [2021-11-13 18:49:37,270 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9219858156028369 [2021-11-13 18:49:37,270 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 260 transitions. [2021-11-13 18:49:37,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 260 transitions. [2021-11-13 18:49:37,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:49:37,271 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 260 transitions. [2021-11-13 18:49:37,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:49:37,274 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:49:37,275 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:49:37,275 INFO L186 Difference]: Start difference. First operand has 92 places, 89 transitions, 220 flow. Second operand 3 states and 260 transitions. [2021-11-13 18:49:37,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 95 transitions, 280 flow [2021-11-13 18:49:37,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 95 transitions, 272 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-13 18:49:37,281 INFO L242 Difference]: Finished difference. Result has 94 places, 92 transitions, 244 flow [2021-11-13 18:49:37,281 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=244, PETRI_PLACES=94, PETRI_TRANSITIONS=92} [2021-11-13 18:49:37,283 INFO L334 CegarLoopForPetriNet]: 89 programPoint places, 5 predicate places. [2021-11-13 18:49:37,283 INFO L470 AbstractCegarLoop]: Abstraction has has 94 places, 92 transitions, 244 flow [2021-11-13 18:49:37,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:49:37,284 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:49:37,284 INFO L254 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:49:37,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 18:49:37,284 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2021-11-13 18:49:37,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:49:37,285 INFO L85 PathProgramCache]: Analyzing trace with hash 80951510, now seen corresponding path program 1 times [2021-11-13 18:49:37,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:49:37,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107263786] [2021-11-13 18:49:37,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:49:37,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:49:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:37,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:49:37,347 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:49:37,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107263786] [2021-11-13 18:49:37,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107263786] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:49:37,348 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:49:37,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 18:49:37,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249016356] [2021-11-13 18:49:37,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:49:37,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:49:37,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:49:37,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:49:37,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:49:37,360 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 94 [2021-11-13 18:49:37,361 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 92 transitions, 244 flow. Second operand has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:49:37,361 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:49:37,362 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 94 [2021-11-13 18:49:37,362 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:49:37,476 INFO L129 PetriNetUnfolder]: 46/428 cut-off events. [2021-11-13 18:49:37,480 INFO L130 PetriNetUnfolder]: For 54/75 co-relation queries the response was YES. [2021-11-13 18:49:37,484 INFO L84 FinitePrefix]: Finished finitePrefix Result has 693 conditions, 428 events. 46/428 cut-off events. For 54/75 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2449 event pairs, 14 based on Foata normal form. 1/400 useless extension candidates. Maximal degree in co-relation 648. Up to 101 conditions per place. [2021-11-13 18:49:37,487 INFO L132 encePairwiseOnDemand]: 89/94 looper letters, 17 selfloop transitions, 4 changer transitions 0/98 dead transitions. [2021-11-13 18:49:37,488 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 98 transitions, 306 flow [2021-11-13 18:49:37,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:49:37,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-13 18:49:37,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 258 transitions. [2021-11-13 18:49:37,491 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9148936170212766 [2021-11-13 18:49:37,491 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 258 transitions. [2021-11-13 18:49:37,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 258 transitions. [2021-11-13 18:49:37,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:49:37,492 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 258 transitions. [2021-11-13 18:49:37,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:49:37,496 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:49:37,497 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:49:37,497 INFO L186 Difference]: Start difference. First operand has 94 places, 92 transitions, 244 flow. Second operand 3 states and 258 transitions. [2021-11-13 18:49:37,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 98 transitions, 306 flow [2021-11-13 18:49:37,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 98 transitions, 298 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-13 18:49:37,504 INFO L242 Difference]: Finished difference. Result has 96 places, 95 transitions, 268 flow [2021-11-13 18:49:37,504 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=268, PETRI_PLACES=96, PETRI_TRANSITIONS=95} [2021-11-13 18:49:37,507 INFO L334 CegarLoopForPetriNet]: 89 programPoint places, 7 predicate places. [2021-11-13 18:49:37,507 INFO L470 AbstractCegarLoop]: Abstraction has has 96 places, 95 transitions, 268 flow [2021-11-13 18:49:37,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:49:37,508 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 18:49:37,508 INFO L254 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:49:37,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 18:49:37,509 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2021-11-13 18:49:37,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:49:37,511 INFO L85 PathProgramCache]: Analyzing trace with hash -2100266630, now seen corresponding path program 1 times [2021-11-13 18:49:37,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:49:37,514 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020726876] [2021-11-13 18:49:37,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:49:37,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:49:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:49:37,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:49:37,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:49:37,628 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020726876] [2021-11-13 18:49:37,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020726876] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:49:37,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:49:37,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:49:37,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801591107] [2021-11-13 18:49:37,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:49:37,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:49:37,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:49:37,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:49:37,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:49:37,633 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 94 [2021-11-13 18:49:37,634 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 95 transitions, 268 flow. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:49:37,634 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 18:49:37,634 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 94 [2021-11-13 18:49:37,634 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 18:49:37,684 INFO L129 PetriNetUnfolder]: 0/66 cut-off events. [2021-11-13 18:49:37,684 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-11-13 18:49:37,685 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 66 events. 0/66 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 29 event pairs, 0 based on Foata normal form. 4/70 useless extension candidates. Maximal degree in co-relation 0. Up to 14 conditions per place. [2021-11-13 18:49:37,686 INFO L132 encePairwiseOnDemand]: 90/94 looper letters, 0 selfloop transitions, 0 changer transitions 66/66 dead transitions. [2021-11-13 18:49:37,686 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 66 transitions, 200 flow [2021-11-13 18:49:37,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:49:37,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-13 18:49:37,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 247 transitions. [2021-11-13 18:49:37,689 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.875886524822695 [2021-11-13 18:49:37,689 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 247 transitions. [2021-11-13 18:49:37,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 247 transitions. [2021-11-13 18:49:37,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:49:37,690 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 247 transitions. [2021-11-13 18:49:37,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:49:37,693 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:49:37,693 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:49:37,693 INFO L186 Difference]: Start difference. First operand has 96 places, 95 transitions, 268 flow. Second operand 3 states and 247 transitions. [2021-11-13 18:49:37,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 66 transitions, 200 flow [2021-11-13 18:49:37,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 66 transitions, 164 flow, removed 6 selfloop flow, removed 10 redundant places. [2021-11-13 18:49:37,700 INFO L242 Difference]: Finished difference. Result has 71 places, 0 transitions, 0 flow [2021-11-13 18:49:37,701 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=94, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=71, PETRI_TRANSITIONS=0} [2021-11-13 18:49:37,706 INFO L334 CegarLoopForPetriNet]: 89 programPoint places, -18 predicate places. [2021-11-13 18:49:37,706 INFO L470 AbstractCegarLoop]: Abstraction has has 71 places, 0 transitions, 0 flow [2021-11-13 18:49:37,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:49:37,711 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (10 of 11 remaining) [2021-11-13 18:49:37,712 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining) [2021-11-13 18:49:37,713 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (8 of 11 remaining) [2021-11-13 18:49:37,713 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining) [2021-11-13 18:49:37,713 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (6 of 11 remaining) [2021-11-13 18:49:37,714 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining) [2021-11-13 18:49:37,714 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining) [2021-11-13 18:49:37,715 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining) [2021-11-13 18:49:37,715 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining) [2021-11-13 18:49:37,716 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining) [2021-11-13 18:49:37,716 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining) [2021-11-13 18:49:37,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 18:49:37,725 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-13 18:49:37,734 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-13 18:49:37,735 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 18:49:37,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 06:49:37 BasicIcfg [2021-11-13 18:49:37,749 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 18:49:37,750 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 18:49:37,750 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 18:49:37,751 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 18:49:37,751 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:49:35" (3/4) ... [2021-11-13 18:49:37,754 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 18:49:37,762 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2021-11-13 18:49:37,770 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-13 18:49:37,772 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-13 18:49:37,773 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-13 18:49:37,776 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 18:49:37,844 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1330da63-c269-4662-9555-eba3b2427694/bin/uautomizer-YU5uOKAj3y/witness.graphml [2021-11-13 18:49:37,844 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 18:49:37,845 INFO L158 Benchmark]: Toolchain (without parser) took 3942.85ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 52.3MB in the beginning and 43.1MB in the end (delta: 9.2MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2021-11-13 18:49:37,846 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 92.3MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:49:37,846 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1022.15ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 52.0MB in the beginning and 80.1MB in the end (delta: -28.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 18:49:37,847 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.36ms. Allocated memory is still 123.7MB. Free memory was 80.1MB in the beginning and 77.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 18:49:37,847 INFO L158 Benchmark]: Boogie Preprocessor took 56.18ms. Allocated memory is still 123.7MB. Free memory was 77.7MB in the beginning and 76.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 18:49:37,848 INFO L158 Benchmark]: RCFGBuilder took 521.80ms. Allocated memory is still 123.7MB. Free memory was 76.3MB in the beginning and 63.3MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-13 18:49:37,848 INFO L158 Benchmark]: TraceAbstraction took 2142.27ms. Allocated memory is still 123.7MB. Free memory was 63.0MB in the beginning and 45.7MB in the end (delta: 17.3MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2021-11-13 18:49:37,849 INFO L158 Benchmark]: Witness Printer took 94.20ms. Allocated memory is still 123.7MB. Free memory was 45.7MB in the beginning and 43.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 18:49:37,851 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 92.3MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1022.15ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 52.0MB in the beginning and 80.1MB in the end (delta: -28.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.36ms. Allocated memory is still 123.7MB. Free memory was 80.1MB in the beginning and 77.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.18ms. Allocated memory is still 123.7MB. Free memory was 77.7MB in the beginning and 76.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 521.80ms. Allocated memory is still 123.7MB. Free memory was 76.3MB in the beginning and 63.3MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2142.27ms. Allocated memory is still 123.7MB. Free memory was 63.0MB in the beginning and 45.7MB in the end (delta: 17.3MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Witness Printer took 94.20ms. Allocated memory is still 123.7MB. Free memory was 45.7MB in the beginning and 43.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 934]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 922]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 922]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: 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, 119 locations, 11 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 163.00ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 49 SdHoareTripleChecker+Invalid, 112.99ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 63 IncrementalHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 49 mSDtfsCounter, 63 mSolverCounterSat, 3.81ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=268occurred in iteration=4, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 229 NumberOfCodeBlocks, 229 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 304 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-13 18:49:37,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1330da63-c269-4662-9555-eba3b2427694/bin/uautomizer-YU5uOKAj3y/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