./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_41-pt_rwlock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b928538-5052-4296-9157-58da2a7a44b1/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b928538-5052-4296-9157-58da2a7a44b1/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b928538-5052-4296-9157-58da2a7a44b1/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b928538-5052-4296-9157-58da2a7a44b1/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_41-pt_rwlock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b928538-5052-4296-9157-58da2a7a44b1/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b928538-5052-4296-9157-58da2a7a44b1/bin/uautomizer-J5u9QxTXDZ --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 fef1217f8a35a342f6e4927c3581e159c4208b83ce3f67c4227091859235df56 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:59:31,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:59:31,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:59:32,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:59:32,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:59:32,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:59:32,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:59:32,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:59:32,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:59:32,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:59:32,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:59:32,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:59:32,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:59:32,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:59:32,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:59:32,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:59:32,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:59:32,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:59:32,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:59:32,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:59:32,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:59:32,049 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:59:32,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:59:32,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:59:32,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:59:32,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:59:32,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:59:32,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:59:32,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:59:32,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:59:32,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:59:32,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:59:32,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:59:32,075 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:59:32,076 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:59:32,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:59:32,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:59:32,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:59:32,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:59:32,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:59:32,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:59:32,080 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b928538-5052-4296-9157-58da2a7a44b1/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-10-17 10:59:32,111 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:59:32,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:59:32,112 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:59:32,112 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:59:32,113 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:59:32,113 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:59:32,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:59:32,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:59:32,114 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:59:32,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:59:32,115 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:59:32,115 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:59:32,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:59:32,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:59:32,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:59:32,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:59:32,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:59:32,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:59:32,116 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-10-17 10:59:32,117 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:59:32,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:59:32,117 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:59:32,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:59:32,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:59:32,118 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:59:32,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:59:32,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:59:32,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:59:32,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:59:32,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:59:32,119 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:59:32,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:59:32,120 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:59:32,120 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:59:32,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:59:32,120 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_5b928538-5052-4296-9157-58da2a7a44b1/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b928538-5052-4296-9157-58da2a7a44b1/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fef1217f8a35a342f6e4927c3581e159c4208b83ce3f67c4227091859235df56 [2022-10-17 10:59:32,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:59:32,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:59:32,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:59:32,465 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:59:32,466 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:59:32,467 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b928538-5052-4296-9157-58da2a7a44b1/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/goblint-regression/04-mutex_41-pt_rwlock.i [2022-10-17 10:59:32,545 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b928538-5052-4296-9157-58da2a7a44b1/bin/uautomizer-J5u9QxTXDZ/data/36c096aa7/8393b026574f48e585a956dae4a453dd/FLAG37d420661 [2022-10-17 10:59:33,159 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:59:33,160 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b928538-5052-4296-9157-58da2a7a44b1/sv-benchmarks/c/goblint-regression/04-mutex_41-pt_rwlock.i [2022-10-17 10:59:33,176 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b928538-5052-4296-9157-58da2a7a44b1/bin/uautomizer-J5u9QxTXDZ/data/36c096aa7/8393b026574f48e585a956dae4a453dd/FLAG37d420661 [2022-10-17 10:59:33,405 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b928538-5052-4296-9157-58da2a7a44b1/bin/uautomizer-J5u9QxTXDZ/data/36c096aa7/8393b026574f48e585a956dae4a453dd [2022-10-17 10:59:33,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:59:33,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:59:33,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:59:33,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:59:33,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:59:33,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:59:33" (1/1) ... [2022-10-17 10:59:33,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d11d94f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:33, skipping insertion in model container [2022-10-17 10:59:33,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:59:33" (1/1) ... [2022-10-17 10:59:33,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:59:33,494 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:59:34,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:59:34,023 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:59:34,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:59:34,145 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:59:34,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:34 WrapperNode [2022-10-17 10:59:34,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:59:34,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:59:34,148 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:59:34,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:59:34,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:34" (1/1) ... [2022-10-17 10:59:34,197 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:34" (1/1) ... [2022-10-17 10:59:34,221 INFO L138 Inliner]: procedures = 264, calls = 32, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 65 [2022-10-17 10:59:34,221 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:59:34,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:59:34,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:59:34,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:59:34,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:34" (1/1) ... [2022-10-17 10:59:34,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:34" (1/1) ... [2022-10-17 10:59:34,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:34" (1/1) ... [2022-10-17 10:59:34,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:34" (1/1) ... [2022-10-17 10:59:34,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:34" (1/1) ... [2022-10-17 10:59:34,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:34" (1/1) ... [2022-10-17 10:59:34,246 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:34" (1/1) ... [2022-10-17 10:59:34,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:34" (1/1) ... [2022-10-17 10:59:34,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:59:34,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:59:34,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:59:34,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:59:34,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:34" (1/1) ... [2022-10-17 10:59:34,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:59:34,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b928538-5052-4296-9157-58da2a7a44b1/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:59:34,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b928538-5052-4296-9157-58da2a7a44b1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:59:34,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b928538-5052-4296-9157-58da2a7a44b1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:59:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockReadLock [2022-10-17 10:59:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:59:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockWriteLock [2022-10-17 10:59:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:59:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock [2022-10-17 10:59:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:59:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:59:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:59:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-10-17 10:59:34,352 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-10-17 10:59:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:59:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:59:34,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:59:34,356 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 10:59:34,509 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:59:34,511 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:59:34,841 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:59:34,849 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:59:34,849 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:59:34,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:59:34 BoogieIcfgContainer [2022-10-17 10:59:34,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:59:34,854 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:59:34,854 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:59:34,861 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:59:34,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:59:33" (1/3) ... [2022-10-17 10:59:34,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39d382d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:59:34, skipping insertion in model container [2022-10-17 10:59:34,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:59:34" (2/3) ... [2022-10-17 10:59:34,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39d382d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:59:34, skipping insertion in model container [2022-10-17 10:59:34,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:59:34" (3/3) ... [2022-10-17 10:59:34,865 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_41-pt_rwlock.i [2022-10-17 10:59:34,875 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-17 10:59:34,884 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:59:34,884 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-10-17 10:59:34,884 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-17 10:59:34,941 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-10-17 10:59:34,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 99 places, 95 transitions, 198 flow [2022-10-17 10:59:35,037 INFO L130 PetriNetUnfolder]: 0/94 cut-off events. [2022-10-17 10:59:35,037 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-10-17 10:59:35,039 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 94 events. 0/94 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. 0/87 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-10-17 10:59:35,040 INFO L82 GeneralOperation]: Start removeDead. Operand has 99 places, 95 transitions, 198 flow [2022-10-17 10:59:35,045 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 90 places, 86 transitions, 175 flow [2022-10-17 10:59:35,056 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:59:35,063 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3d1a5778, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:59:35,063 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2022-10-17 10:59:35,078 INFO L130 PetriNetUnfolder]: 0/45 cut-off events. [2022-10-17 10:59:35,078 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-10-17 10:59:35,079 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:59:35,079 INFO L208 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] [2022-10-17 10:59:35,080 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-10-17 10:59:35,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:59:35,088 INFO L85 PathProgramCache]: Analyzing trace with hash 827672691, now seen corresponding path program 1 times [2022-10-17 10:59:35,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:59:35,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175561911] [2022-10-17 10:59:35,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:59:35,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:59:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:35,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:59:35,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:59:35,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175561911] [2022-10-17 10:59:35,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175561911] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:59:35,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:59:35,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:59:35,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509208305] [2022-10-17 10:59:35,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:59:35,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:59:35,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:59:35,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:59:35,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:59:35,504 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 95 [2022-10-17 10:59:35,508 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 86 transitions, 175 flow. Second operand has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:59:35,520 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:59:35,520 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 95 [2022-10-17 10:59:35,521 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:59:35,653 INFO L130 PetriNetUnfolder]: 13/239 cut-off events. [2022-10-17 10:59:35,657 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-10-17 10:59:35,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 284 conditions, 239 events. 13/239 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 956 event pairs, 4 based on Foata normal form. 0/208 useless extension candidates. Maximal degree in co-relation 242. Up to 25 conditions per place. [2022-10-17 10:59:35,674 INFO L137 encePairwiseOnDemand]: 89/95 looper letters, 10 selfloop transitions, 4 changer transitions 0/90 dead transitions. [2022-10-17 10:59:35,675 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 90 transitions, 211 flow [2022-10-17 10:59:35,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:59:35,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-10-17 10:59:35,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 268 transitions. [2022-10-17 10:59:35,690 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9403508771929825 [2022-10-17 10:59:35,691 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 268 transitions. [2022-10-17 10:59:35,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 268 transitions. [2022-10-17 10:59:35,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:59:35,697 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 268 transitions. [2022-10-17 10:59:35,701 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:59:35,708 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 95.0) internal successors, (380), 4 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:59:35,708 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 95.0) internal successors, (380), 4 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:59:35,710 INFO L175 Difference]: Start difference. First operand has 90 places, 86 transitions, 175 flow. Second operand 3 states and 268 transitions. [2022-10-17 10:59:35,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 90 transitions, 211 flow [2022-10-17 10:59:35,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 90 transitions, 210 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-10-17 10:59:35,719 INFO L231 Difference]: Finished difference. Result has 92 places, 88 transitions, 202 flow [2022-10-17 10:59:35,722 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=202, PETRI_PLACES=92, PETRI_TRANSITIONS=88} [2022-10-17 10:59:35,726 INFO L287 CegarLoopForPetriNet]: 90 programPoint places, 2 predicate places. [2022-10-17 10:59:35,726 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 88 transitions, 202 flow [2022-10-17 10:59:35,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:59:35,727 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:59:35,727 INFO L208 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] [2022-10-17 10:59:35,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:59:35,728 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-10-17 10:59:35,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:59:35,729 INFO L85 PathProgramCache]: Analyzing trace with hash 151526078, now seen corresponding path program 1 times [2022-10-17 10:59:35,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:59:35,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232862738] [2022-10-17 10:59:35,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:59:35,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:59:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:35,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:59:35,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:59:35,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232862738] [2022-10-17 10:59:35,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232862738] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:59:35,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:59:35,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:59:35,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864692858] [2022-10-17 10:59:35,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:59:35,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:59:35,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:59:35,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:59:35,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:59:35,872 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 95 [2022-10-17 10:59:35,873 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 88 transitions, 202 flow. Second operand has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:59:35,873 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:59:35,874 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 95 [2022-10-17 10:59:35,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:59:35,982 INFO L130 PetriNetUnfolder]: 29/306 cut-off events. [2022-10-17 10:59:35,982 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-10-17 10:59:35,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 419 conditions, 306 events. 29/306 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1390 event pairs, 8 based on Foata normal form. 0/270 useless extension candidates. Maximal degree in co-relation 376. Up to 54 conditions per place. [2022-10-17 10:59:35,986 INFO L137 encePairwiseOnDemand]: 89/95 looper letters, 10 selfloop transitions, 4 changer transitions 0/92 dead transitions. [2022-10-17 10:59:35,986 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 92 transitions, 238 flow [2022-10-17 10:59:35,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:59:35,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-10-17 10:59:35,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 268 transitions. [2022-10-17 10:59:35,989 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9403508771929825 [2022-10-17 10:59:35,990 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 268 transitions. [2022-10-17 10:59:35,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 268 transitions. [2022-10-17 10:59:35,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:59:35,990 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 268 transitions. [2022-10-17 10:59:35,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:59:35,993 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 95.0) internal successors, (380), 4 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:59:35,994 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 95.0) internal successors, (380), 4 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:59:35,994 INFO L175 Difference]: Start difference. First operand has 92 places, 88 transitions, 202 flow. Second operand 3 states and 268 transitions. [2022-10-17 10:59:35,994 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 92 transitions, 238 flow [2022-10-17 10:59:35,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 92 transitions, 230 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-10-17 10:59:35,999 INFO L231 Difference]: Finished difference. Result has 93 places, 90 transitions, 222 flow [2022-10-17 10:59:35,999 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=222, PETRI_PLACES=93, PETRI_TRANSITIONS=90} [2022-10-17 10:59:36,000 INFO L287 CegarLoopForPetriNet]: 90 programPoint places, 3 predicate places. [2022-10-17 10:59:36,000 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 90 transitions, 222 flow [2022-10-17 10:59:36,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:59:36,001 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:59:36,001 INFO L208 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] [2022-10-17 10:59:36,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:59:36,002 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-10-17 10:59:36,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:59:36,002 INFO L85 PathProgramCache]: Analyzing trace with hash 164654098, now seen corresponding path program 1 times [2022-10-17 10:59:36,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:59:36,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425140911] [2022-10-17 10:59:36,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:59:36,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:59:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:36,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:59:36,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:59:36,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425140911] [2022-10-17 10:59:36,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425140911] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:59:36,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:59:36,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:59:36,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715029244] [2022-10-17 10:59:36,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:59:36,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:59:36,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:59:36,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:59:36,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:59:36,115 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 95 [2022-10-17 10:59:36,116 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 90 transitions, 222 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) [2022-10-17 10:59:36,117 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:59:36,117 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 95 [2022-10-17 10:59:36,117 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:59:36,225 INFO L130 PetriNetUnfolder]: 23/390 cut-off events. [2022-10-17 10:59:36,225 INFO L131 PetriNetUnfolder]: For 39/41 co-relation queries the response was YES. [2022-10-17 10:59:36,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 553 conditions, 390 events. 23/390 cut-off events. For 39/41 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2157 event pairs, 7 based on Foata normal form. 0/355 useless extension candidates. Maximal degree in co-relation 509. Up to 38 conditions per place. [2022-10-17 10:59:36,230 INFO L137 encePairwiseOnDemand]: 90/95 looper letters, 16 selfloop transitions, 4 changer transitions 0/96 dead transitions. [2022-10-17 10:59:36,231 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 96 transitions, 282 flow [2022-10-17 10:59:36,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:59:36,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-10-17 10:59:36,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 263 transitions. [2022-10-17 10:59:36,234 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9228070175438596 [2022-10-17 10:59:36,235 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 263 transitions. [2022-10-17 10:59:36,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 263 transitions. [2022-10-17 10:59:36,235 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:59:36,235 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 263 transitions. [2022-10-17 10:59:36,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:59:36,240 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 95.0) internal successors, (380), 4 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:59:36,240 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 95.0) internal successors, (380), 4 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:59:36,240 INFO L175 Difference]: Start difference. First operand has 93 places, 90 transitions, 222 flow. Second operand 3 states and 263 transitions. [2022-10-17 10:59:36,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 96 transitions, 282 flow [2022-10-17 10:59:36,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 96 transitions, 274 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-10-17 10:59:36,250 INFO L231 Difference]: Finished difference. Result has 95 places, 93 transitions, 246 flow [2022-10-17 10:59:36,250 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=246, PETRI_PLACES=95, PETRI_TRANSITIONS=93} [2022-10-17 10:59:36,253 INFO L287 CegarLoopForPetriNet]: 90 programPoint places, 5 predicate places. [2022-10-17 10:59:36,253 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 93 transitions, 246 flow [2022-10-17 10:59:36,254 INFO L496 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) [2022-10-17 10:59:36,254 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:59:36,254 INFO L208 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] [2022-10-17 10:59:36,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-17 10:59:36,255 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-10-17 10:59:36,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:59:36,257 INFO L85 PathProgramCache]: Analyzing trace with hash 124843568, now seen corresponding path program 1 times [2022-10-17 10:59:36,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:59:36,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201173352] [2022-10-17 10:59:36,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:59:36,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:59:36,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:36,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:59:36,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:59:36,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201173352] [2022-10-17 10:59:36,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201173352] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:59:36,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:59:36,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:59:36,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330720754] [2022-10-17 10:59:36,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:59:36,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:59:36,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:59:36,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:59:36,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:59:36,385 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 95 [2022-10-17 10:59:36,386 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 93 transitions, 246 flow. Second operand has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:59:36,386 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:59:36,386 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 95 [2022-10-17 10:59:36,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:59:36,496 INFO L130 PetriNetUnfolder]: 46/431 cut-off events. [2022-10-17 10:59:36,496 INFO L131 PetriNetUnfolder]: For 56/77 co-relation queries the response was YES. [2022-10-17 10:59:36,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 696 conditions, 431 events. 46/431 cut-off events. For 56/77 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2458 event pairs, 14 based on Foata normal form. 1/402 useless extension candidates. Maximal degree in co-relation 650. Up to 101 conditions per place. [2022-10-17 10:59:36,500 INFO L137 encePairwiseOnDemand]: 90/95 looper letters, 17 selfloop transitions, 4 changer transitions 0/99 dead transitions. [2022-10-17 10:59:36,501 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 99 transitions, 308 flow [2022-10-17 10:59:36,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:59:36,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-10-17 10:59:36,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 261 transitions. [2022-10-17 10:59:36,502 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9157894736842105 [2022-10-17 10:59:36,503 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 261 transitions. [2022-10-17 10:59:36,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 261 transitions. [2022-10-17 10:59:36,503 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:59:36,503 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 261 transitions. [2022-10-17 10:59:36,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:59:36,506 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 95.0) internal successors, (380), 4 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:59:36,509 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 95.0) internal successors, (380), 4 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:59:36,509 INFO L175 Difference]: Start difference. First operand has 95 places, 93 transitions, 246 flow. Second operand 3 states and 261 transitions. [2022-10-17 10:59:36,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 99 transitions, 308 flow [2022-10-17 10:59:36,513 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 99 transitions, 300 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-10-17 10:59:36,515 INFO L231 Difference]: Finished difference. Result has 97 places, 96 transitions, 270 flow [2022-10-17 10:59:36,516 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=270, PETRI_PLACES=97, PETRI_TRANSITIONS=96} [2022-10-17 10:59:36,517 INFO L287 CegarLoopForPetriNet]: 90 programPoint places, 7 predicate places. [2022-10-17 10:59:36,518 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 96 transitions, 270 flow [2022-10-17 10:59:36,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:59:36,524 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:59:36,525 INFO L208 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, 1] [2022-10-17 10:59:36,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-17 10:59:36,525 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-10-17 10:59:36,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:59:36,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1233331692, now seen corresponding path program 1 times [2022-10-17 10:59:36,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:59:36,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957899733] [2022-10-17 10:59:36,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:59:36,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:59:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:36,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:59:36,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:59:36,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957899733] [2022-10-17 10:59:36,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957899733] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:59:36,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:59:36,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:59:36,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452905462] [2022-10-17 10:59:36,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:59:36,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:59:36,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:59:36,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:59:36,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:59:36,754 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 95 [2022-10-17 10:59:36,755 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 96 transitions, 270 flow. Second operand has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:59:36,755 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:59:36,755 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 95 [2022-10-17 10:59:36,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:59:36,820 INFO L130 PetriNetUnfolder]: 18/236 cut-off events. [2022-10-17 10:59:36,821 INFO L131 PetriNetUnfolder]: For 70/73 co-relation queries the response was YES. [2022-10-17 10:59:36,821 INFO L83 FinitePrefix]: Finished finitePrefix Result has 446 conditions, 236 events. 18/236 cut-off events. For 70/73 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1018 event pairs, 0 based on Foata normal form. 26/251 useless extension candidates. Maximal degree in co-relation 388. Up to 44 conditions per place. [2022-10-17 10:59:36,823 INFO L137 encePairwiseOnDemand]: 91/95 looper letters, 15 selfloop transitions, 1 changer transitions 4/92 dead transitions. [2022-10-17 10:59:36,823 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 92 transitions, 294 flow [2022-10-17 10:59:36,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:59:36,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-10-17 10:59:36,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 250 transitions. [2022-10-17 10:59:36,825 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8771929824561403 [2022-10-17 10:59:36,825 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 250 transitions. [2022-10-17 10:59:36,825 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 250 transitions. [2022-10-17 10:59:36,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:59:36,826 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 250 transitions. [2022-10-17 10:59:36,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:59:36,828 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 95.0) internal successors, (380), 4 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:59:36,829 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 95.0) internal successors, (380), 4 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:59:36,829 INFO L175 Difference]: Start difference. First operand has 97 places, 96 transitions, 270 flow. Second operand 3 states and 250 transitions. [2022-10-17 10:59:36,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 92 transitions, 294 flow [2022-10-17 10:59:36,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 92 transitions, 286 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-10-17 10:59:36,834 INFO L231 Difference]: Finished difference. Result has 94 places, 88 transitions, 247 flow [2022-10-17 10:59:36,835 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=247, PETRI_PLACES=94, PETRI_TRANSITIONS=88} [2022-10-17 10:59:36,835 INFO L287 CegarLoopForPetriNet]: 90 programPoint places, 4 predicate places. [2022-10-17 10:59:36,836 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 88 transitions, 247 flow [2022-10-17 10:59:36,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:59:36,836 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:59:36,837 INFO L208 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, 1] [2022-10-17 10:59:36,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-17 10:59:36,837 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-10-17 10:59:36,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:59:36,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1212579408, now seen corresponding path program 2 times [2022-10-17 10:59:36,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:59:36,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431338124] [2022-10-17 10:59:36,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:59:36,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:59:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:59:37,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:59:37,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:59:37,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431338124] [2022-10-17 10:59:37,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431338124] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:59:37,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:59:37,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:59:37,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407481966] [2022-10-17 10:59:37,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:59:37,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:59:37,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:59:37,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:59:37,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:59:37,017 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 95 [2022-10-17 10:59:37,017 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 88 transitions, 247 flow. Second operand has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:59:37,017 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:59:37,018 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 95 [2022-10-17 10:59:37,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:59:37,053 INFO L130 PetriNetUnfolder]: 0/67 cut-off events. [2022-10-17 10:59:37,053 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-10-17 10:59:37,054 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 67 events. 0/67 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 30 event pairs, 0 based on Foata normal form. 2/69 useless extension candidates. Maximal degree in co-relation 0. Up to 14 conditions per place. [2022-10-17 10:59:37,054 INFO L137 encePairwiseOnDemand]: 92/95 looper letters, 0 selfloop transitions, 0 changer transitions 67/67 dead transitions. [2022-10-17 10:59:37,054 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 67 transitions, 203 flow [2022-10-17 10:59:37,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:59:37,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-10-17 10:59:37,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 248 transitions. [2022-10-17 10:59:37,056 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8701754385964913 [2022-10-17 10:59:37,056 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 248 transitions. [2022-10-17 10:59:37,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 248 transitions. [2022-10-17 10:59:37,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:59:37,057 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 248 transitions. [2022-10-17 10:59:37,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:59:37,059 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 95.0) internal successors, (380), 4 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:59:37,060 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 95.0) internal successors, (380), 4 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:59:37,060 INFO L175 Difference]: Start difference. First operand has 94 places, 88 transitions, 247 flow. Second operand 3 states and 248 transitions. [2022-10-17 10:59:37,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 67 transitions, 203 flow [2022-10-17 10:59:37,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 67 transitions, 170 flow, removed 6 selfloop flow, removed 9 redundant places. [2022-10-17 10:59:37,063 INFO L231 Difference]: Finished difference. Result has 74 places, 0 transitions, 0 flow [2022-10-17 10:59:37,063 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=74, PETRI_TRANSITIONS=0} [2022-10-17 10:59:37,064 INFO L287 CegarLoopForPetriNet]: 90 programPoint places, -16 predicate places. [2022-10-17 10:59:37,064 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 0 transitions, 0 flow [2022-10-17 10:59:37,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 3 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:59:37,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (10 of 11 remaining) [2022-10-17 10:59:37,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining) [2022-10-17 10:59:37,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (8 of 11 remaining) [2022-10-17 10:59:37,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining) [2022-10-17 10:59:37,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 11 remaining) [2022-10-17 10:59:37,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining) [2022-10-17 10:59:37,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining) [2022-10-17 10:59:37,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining) [2022-10-17 10:59:37,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining) [2022-10-17 10:59:37,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining) [2022-10-17 10:59:37,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining) [2022-10-17 10:59:37,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-17 10:59:37,087 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2022-10-17 10:59:37,093 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-17 10:59:37,093 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-17 10:59:37,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 10:59:37 BasicIcfg [2022-10-17 10:59:37,099 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-17 10:59:37,100 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:59:37,111 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:59:37,111 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:59:37,112 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:59:34" (3/4) ... [2022-10-17 10:59:37,115 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 10:59:37,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-10-17 10:59:37,130 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-10-17 10:59:37,130 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 10:59:37,130 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 10:59:37,131 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 10:59:37,186 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b928538-5052-4296-9157-58da2a7a44b1/bin/uautomizer-J5u9QxTXDZ/witness.graphml [2022-10-17 10:59:37,186 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:59:37,187 INFO L158 Benchmark]: Toolchain (without parser) took 3777.66ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 53.8MB in the beginning and 87.5MB in the end (delta: -33.7MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2022-10-17 10:59:37,187 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 92.3MB. Free memory was 72.2MB in the beginning and 72.2MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:59:37,188 INFO L158 Benchmark]: CACSL2BoogieTranslator took 735.98ms. Allocated memory is still 92.3MB. Free memory was 53.5MB in the beginning and 50.7MB in the end (delta: 2.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 10:59:37,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.78ms. Allocated memory is still 92.3MB. Free memory was 50.7MB in the beginning and 48.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:59:37,189 INFO L158 Benchmark]: Boogie Preprocessor took 28.65ms. Allocated memory is still 92.3MB. Free memory was 48.1MB in the beginning and 46.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:59:37,189 INFO L158 Benchmark]: RCFGBuilder took 600.47ms. Allocated memory is still 92.3MB. Free memory was 46.6MB in the beginning and 65.4MB in the end (delta: -18.8MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2022-10-17 10:59:37,190 INFO L158 Benchmark]: TraceAbstraction took 2245.19ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 64.6MB in the beginning and 33.0MB in the end (delta: 31.6MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2022-10-17 10:59:37,190 INFO L158 Benchmark]: Witness Printer took 86.60ms. Allocated memory is still 113.2MB. Free memory was 33.0MB in the beginning and 87.5MB in the end (delta: -54.5MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2022-10-17 10:59:37,192 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 92.3MB. Free memory was 72.2MB in the beginning and 72.2MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 735.98ms. Allocated memory is still 92.3MB. Free memory was 53.5MB in the beginning and 50.7MB in the end (delta: 2.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.78ms. Allocated memory is still 92.3MB. Free memory was 50.7MB in the beginning and 48.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.65ms. Allocated memory is still 92.3MB. Free memory was 48.1MB in the beginning and 46.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 600.47ms. Allocated memory is still 92.3MB. Free memory was 46.6MB in the beginning and 65.4MB in the end (delta: -18.8MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2245.19ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 64.6MB in the beginning and 33.0MB in the end (delta: 31.6MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Witness Printer took 86.60ms. Allocated memory is still 113.2MB. Free memory was 33.0MB in the beginning and 87.5MB in the end (delta: -54.5MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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, 120 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: 2.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 63 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 79 IncrementalHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 63 mSDtfsCounter, 79 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=270occurred in iteration=4, InterpolantAutomatonStates: 18, 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, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 286 NumberOfCodeBlocks, 286 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 280 ConstructedInterpolants, 0 QuantifiedInterpolants, 356 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-10-17 10:59:37,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b928538-5052-4296-9157-58da2a7a44b1/bin/uautomizer-J5u9QxTXDZ/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