./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-simpl-str-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c989700-8e1e-4918-8510-b23b123e5820/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c989700-8e1e-4918-8510-b23b123e5820/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c989700-8e1e-4918-8510-b23b123e5820/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c989700-8e1e-4918-8510-b23b123e5820/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-simpl-str-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c989700-8e1e-4918-8510-b23b123e5820/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c989700-8e1e-4918-8510-b23b123e5820/bin/uautomizer-uyxdKDjOR8 --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 761ee9f18ea63f4f821d50962d6c2d771ad2410f7c5dd57f48ec51463a1d5307 --- 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-2329fc7 [2022-12-13 14:40:09,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:40:09,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:40:09,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:40:09,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:40:09,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:40:09,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:40:09,151 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:40:09,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:40:09,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:40:09,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:40:09,155 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:40:09,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:40:09,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:40:09,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:40:09,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:40:09,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:40:09,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:40:09,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:40:09,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:40:09,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:40:09,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:40:09,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:40:09,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:40:09,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:40:09,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:40:09,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:40:09,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:40:09,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:40:09,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:40:09,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:40:09,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:40:09,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:40:09,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:40:09,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:40:09,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:40:09,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:40:09,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:40:09,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:40:09,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:40:09,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:40:09,180 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c989700-8e1e-4918-8510-b23b123e5820/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 14:40:09,200 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:40:09,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:40:09,201 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:40:09,201 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:40:09,202 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:40:09,202 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:40:09,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:40:09,203 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:40:09,203 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:40:09,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:40:09,203 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 14:40:09,203 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 14:40:09,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:40:09,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 14:40:09,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:40:09,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:40:09,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:40:09,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:40:09,205 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 14:40:09,205 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 14:40:09,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:40:09,205 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:40:09,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:40:09,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:40:09,206 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:40:09,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:40:09,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:40:09,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:40:09,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:40:09,206 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:40:09,207 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:40:09,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 14:40:09,207 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:40:09,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:40:09,207 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:40:09,207 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:40:09,207 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:40:09,208 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_7c989700-8e1e-4918-8510-b23b123e5820/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c989700-8e1e-4918-8510-b23b123e5820/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 761ee9f18ea63f4f821d50962d6c2d771ad2410f7c5dd57f48ec51463a1d5307 [2022-12-13 14:40:09,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:40:09,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:40:09,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:40:09,413 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:40:09,414 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:40:09,415 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c989700-8e1e-4918-8510-b23b123e5820/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/chl-simpl-str-subst.wvr.c [2022-12-13 14:40:12,017 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:40:12,142 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:40:12,142 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c989700-8e1e-4918-8510-b23b123e5820/sv-benchmarks/c/weaver/chl-simpl-str-subst.wvr.c [2022-12-13 14:40:12,146 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c989700-8e1e-4918-8510-b23b123e5820/bin/uautomizer-uyxdKDjOR8/data/e8cf9c3b3/b67cf1eccefd45cc848c045eeb7748c8/FLAGc08df0e82 [2022-12-13 14:40:12,156 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c989700-8e1e-4918-8510-b23b123e5820/bin/uautomizer-uyxdKDjOR8/data/e8cf9c3b3/b67cf1eccefd45cc848c045eeb7748c8 [2022-12-13 14:40:12,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:40:12,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:40:12,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:40:12,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:40:12,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:40:12,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:40:12" (1/1) ... [2022-12-13 14:40:12,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48a793fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:40:12, skipping insertion in model container [2022-12-13 14:40:12,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:40:12" (1/1) ... [2022-12-13 14:40:12,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:40:12,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:40:12,308 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c989700-8e1e-4918-8510-b23b123e5820/sv-benchmarks/c/weaver/chl-simpl-str-subst.wvr.c[2575,2588] [2022-12-13 14:40:12,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:40:12,319 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:40:12,339 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c989700-8e1e-4918-8510-b23b123e5820/sv-benchmarks/c/weaver/chl-simpl-str-subst.wvr.c[2575,2588] [2022-12-13 14:40:12,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:40:12,352 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:40:12,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:40:12 WrapperNode [2022-12-13 14:40:12,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:40:12,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:40:12,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:40:12,353 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:40:12,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:40:12" (1/1) ... [2022-12-13 14:40:12,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:40:12" (1/1) ... [2022-12-13 14:40:12,385 INFO L138 Inliner]: procedures = 23, calls = 31, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 262 [2022-12-13 14:40:12,386 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:40:12,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:40:12,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:40:12,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:40:12,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:40:12" (1/1) ... [2022-12-13 14:40:12,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:40:12" (1/1) ... [2022-12-13 14:40:12,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:40:12" (1/1) ... [2022-12-13 14:40:12,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:40:12" (1/1) ... [2022-12-13 14:40:12,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:40:12" (1/1) ... [2022-12-13 14:40:12,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:40:12" (1/1) ... [2022-12-13 14:40:12,406 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:40:12" (1/1) ... [2022-12-13 14:40:12,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:40:12" (1/1) ... [2022-12-13 14:40:12,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:40:12,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:40:12,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:40:12,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:40:12,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:40:12" (1/1) ... [2022-12-13 14:40:12,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:40:12,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c989700-8e1e-4918-8510-b23b123e5820/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:40:12,436 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c989700-8e1e-4918-8510-b23b123e5820/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:40:12,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c989700-8e1e-4918-8510-b23b123e5820/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:40:12,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:40:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 14:40:12,472 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 14:40:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 14:40:12,472 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 14:40:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-13 14:40:12,473 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-13 14:40:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 14:40:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 14:40:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 14:40:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:40:12,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:40:12,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 14:40:12,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 14:40:12,475 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 14:40:12,569 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:40:12,571 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:40:12,947 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:40:12,959 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:40:12,959 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 14:40:12,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:40:12 BoogieIcfgContainer [2022-12-13 14:40:12,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:40:12,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:40:12,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:40:12,968 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:40:12,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:40:12" (1/3) ... [2022-12-13 14:40:12,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b9db732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:40:12, skipping insertion in model container [2022-12-13 14:40:12,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:40:12" (2/3) ... [2022-12-13 14:40:12,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b9db732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:40:12, skipping insertion in model container [2022-12-13 14:40:12,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:40:12" (3/3) ... [2022-12-13 14:40:12,971 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-simpl-str-subst.wvr.c [2022-12-13 14:40:12,979 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 14:40:12,990 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:40:12,990 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-12-13 14:40:12,990 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 14:40:13,106 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-13 14:40:13,143 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 342 places, 347 transitions, 718 flow [2022-12-13 14:40:13,256 INFO L130 PetriNetUnfolder]: 15/344 cut-off events. [2022-12-13 14:40:13,257 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 14:40:13,267 INFO L83 FinitePrefix]: Finished finitePrefix Result has 357 conditions, 344 events. 15/344 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 804 event pairs, 0 based on Foata normal form. 0/297 useless extension candidates. Maximal degree in co-relation 211. Up to 2 conditions per place. [2022-12-13 14:40:13,267 INFO L82 GeneralOperation]: Start removeDead. Operand has 342 places, 347 transitions, 718 flow [2022-12-13 14:40:13,273 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 318 places, 321 transitions, 660 flow [2022-12-13 14:40:13,276 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 14:40:13,284 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 318 places, 321 transitions, 660 flow [2022-12-13 14:40:13,286 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 318 places, 321 transitions, 660 flow [2022-12-13 14:40:13,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 318 places, 321 transitions, 660 flow [2022-12-13 14:40:13,357 INFO L130 PetriNetUnfolder]: 13/321 cut-off events. [2022-12-13 14:40:13,357 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 14:40:13,359 INFO L83 FinitePrefix]: Finished finitePrefix Result has 334 conditions, 321 events. 13/321 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 789 event pairs, 0 based on Foata normal form. 0/277 useless extension candidates. Maximal degree in co-relation 211. Up to 2 conditions per place. [2022-12-13 14:40:13,366 INFO L119 LiptonReduction]: Number of co-enabled transitions 30240 [2022-12-13 14:40:19,039 INFO L134 LiptonReduction]: Checked pairs total: 80886 [2022-12-13 14:40:19,040 INFO L136 LiptonReduction]: Total number of compositions: 333 [2022-12-13 14:40:19,050 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:40:19,056 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;@1b6f8315, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:40:19,056 INFO L358 AbstractCegarLoop]: Starting to check reachability of 53 error locations. [2022-12-13 14:40:19,058 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 14:40:19,058 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 14:40:19,058 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:40:19,059 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 14:40:19,059 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2022-12-13 14:40:19,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:40:19,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1297, now seen corresponding path program 1 times [2022-12-13 14:40:19,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:40:19,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233373094] [2022-12-13 14:40:19,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:40:19,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:40:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:19,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:40:19,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:40:19,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233373094] [2022-12-13 14:40:19,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233373094] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:40:19,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:40:19,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 14:40:19,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784444606] [2022-12-13 14:40:19,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:40:19,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 14:40:19,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:40:19,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 14:40:19,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 14:40:19,172 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 332 out of 680 [2022-12-13 14:40:19,175 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 83 transitions, 184 flow. Second operand has 2 states, 2 states have (on average 332.5) internal successors, (665), 2 states have internal predecessors, (665), 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) [2022-12-13 14:40:19,176 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:40:19,176 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 332 of 680 [2022-12-13 14:40:19,177 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:40:19,464 INFO L130 PetriNetUnfolder]: 1661/2611 cut-off events. [2022-12-13 14:40:19,464 INFO L131 PetriNetUnfolder]: For 99/99 co-relation queries the response was YES. [2022-12-13 14:40:19,467 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5008 conditions, 2611 events. 1661/2611 cut-off events. For 99/99 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 15268 event pairs, 1125 based on Foata normal form. 150/2113 useless extension candidates. Maximal degree in co-relation 4420. Up to 2264 conditions per place. [2022-12-13 14:40:19,477 INFO L137 encePairwiseOnDemand]: 661/680 looper letters, 32 selfloop transitions, 0 changer transitions 1/64 dead transitions. [2022-12-13 14:40:19,477 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 64 transitions, 212 flow [2022-12-13 14:40:19,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 14:40:19,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 14:40:19,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 716 transitions. [2022-12-13 14:40:19,488 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5264705882352941 [2022-12-13 14:40:19,488 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 716 transitions. [2022-12-13 14:40:19,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 716 transitions. [2022-12-13 14:40:19,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:40:19,492 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 716 transitions. [2022-12-13 14:40:19,496 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 358.0) internal successors, (716), 2 states have internal predecessors, (716), 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) [2022-12-13 14:40:19,504 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 680.0) internal successors, (2040), 3 states have internal predecessors, (2040), 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) [2022-12-13 14:40:19,505 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 680.0) internal successors, (2040), 3 states have internal predecessors, (2040), 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) [2022-12-13 14:40:19,506 INFO L175 Difference]: Start difference. First operand has 85 places, 83 transitions, 184 flow. Second operand 2 states and 716 transitions. [2022-12-13 14:40:19,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 64 transitions, 212 flow [2022-12-13 14:40:19,513 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 64 transitions, 200 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-12-13 14:40:19,515 INFO L231 Difference]: Finished difference. Result has 63 places, 63 transitions, 131 flow [2022-12-13 14:40:19,517 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=680, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=131, PETRI_PLACES=63, PETRI_TRANSITIONS=63} [2022-12-13 14:40:19,520 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, -22 predicate places. [2022-12-13 14:40:19,520 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 63 transitions, 131 flow [2022-12-13 14:40:19,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 332.5) internal successors, (665), 2 states have internal predecessors, (665), 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) [2022-12-13 14:40:19,521 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:40:19,521 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 14:40:19,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 14:40:19,522 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2022-12-13 14:40:19,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:40:19,522 INFO L85 PathProgramCache]: Analyzing trace with hash 39769135, now seen corresponding path program 1 times [2022-12-13 14:40:19,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:40:19,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436761689] [2022-12-13 14:40:19,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:40:19,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:40:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:19,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:40:19,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:40:19,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436761689] [2022-12-13 14:40:19,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436761689] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:40:19,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:40:19,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:40:19,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10101845] [2022-12-13 14:40:19,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:40:19,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:40:19,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:40:19,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:40:19,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:40:19,613 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 325 out of 680 [2022-12-13 14:40:19,615 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 63 transitions, 131 flow. Second operand has 3 states, 3 states have (on average 326.3333333333333) internal successors, (979), 3 states have internal predecessors, (979), 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) [2022-12-13 14:40:19,615 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:40:19,615 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 325 of 680 [2022-12-13 14:40:19,616 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:40:19,943 INFO L130 PetriNetUnfolder]: 2453/4256 cut-off events. [2022-12-13 14:40:19,944 INFO L131 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2022-12-13 14:40:19,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7674 conditions, 4256 events. 2453/4256 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 314. Compared 28543 event pairs, 1191 based on Foata normal form. 0/3427 useless extension candidates. Maximal degree in co-relation 7671. Up to 3324 conditions per place. [2022-12-13 14:40:19,980 INFO L137 encePairwiseOnDemand]: 676/680 looper letters, 47 selfloop transitions, 2 changer transitions 0/75 dead transitions. [2022-12-13 14:40:19,980 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 75 transitions, 255 flow [2022-12-13 14:40:19,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:40:19,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 14:40:19,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1026 transitions. [2022-12-13 14:40:19,985 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5029411764705882 [2022-12-13 14:40:19,986 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1026 transitions. [2022-12-13 14:40:19,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1026 transitions. [2022-12-13 14:40:19,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:40:19,987 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1026 transitions. [2022-12-13 14:40:19,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 342.0) internal successors, (1026), 3 states have internal predecessors, (1026), 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) [2022-12-13 14:40:19,999 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 680.0) internal successors, (2720), 4 states have internal predecessors, (2720), 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) [2022-12-13 14:40:20,002 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 680.0) internal successors, (2720), 4 states have internal predecessors, (2720), 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) [2022-12-13 14:40:20,002 INFO L175 Difference]: Start difference. First operand has 63 places, 63 transitions, 131 flow. Second operand 3 states and 1026 transitions. [2022-12-13 14:40:20,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 75 transitions, 255 flow [2022-12-13 14:40:20,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 75 transitions, 255 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 14:40:20,005 INFO L231 Difference]: Finished difference. Result has 63 places, 63 transitions, 141 flow [2022-12-13 14:40:20,005 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=680, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=141, PETRI_PLACES=63, PETRI_TRANSITIONS=63} [2022-12-13 14:40:20,006 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, -22 predicate places. [2022-12-13 14:40:20,006 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 63 transitions, 141 flow [2022-12-13 14:40:20,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 326.3333333333333) internal successors, (979), 3 states have internal predecessors, (979), 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) [2022-12-13 14:40:20,008 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:40:20,008 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 14:40:20,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 14:40:20,008 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2022-12-13 14:40:20,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:40:20,009 INFO L85 PathProgramCache]: Analyzing trace with hash -436534022, now seen corresponding path program 1 times [2022-12-13 14:40:20,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:40:20,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323996037] [2022-12-13 14:40:20,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:40:20,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:40:20,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:20,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:40:20,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:40:20,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323996037] [2022-12-13 14:40:20,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323996037] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:40:20,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:40:20,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:40:20,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608731940] [2022-12-13 14:40:20,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:40:20,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:40:20,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:40:20,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:40:20,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:40:20,075 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 322 out of 680 [2022-12-13 14:40:20,077 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 63 transitions, 141 flow. Second operand has 3 states, 3 states have (on average 323.3333333333333) internal successors, (970), 3 states have internal predecessors, (970), 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) [2022-12-13 14:40:20,077 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:40:20,077 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 322 of 680 [2022-12-13 14:40:20,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:40:20,410 INFO L130 PetriNetUnfolder]: 2302/3891 cut-off events. [2022-12-13 14:40:20,410 INFO L131 PetriNetUnfolder]: For 42/42 co-relation queries the response was YES. [2022-12-13 14:40:20,416 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7113 conditions, 3891 events. 2302/3891 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 273. Compared 25578 event pairs, 380 based on Foata normal form. 0/3175 useless extension candidates. Maximal degree in co-relation 7109. Up to 3071 conditions per place. [2022-12-13 14:40:20,446 INFO L137 encePairwiseOnDemand]: 674/680 looper letters, 46 selfloop transitions, 3 changer transitions 0/75 dead transitions. [2022-12-13 14:40:20,446 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 75 transitions, 265 flow [2022-12-13 14:40:20,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:40:20,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 14:40:20,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1018 transitions. [2022-12-13 14:40:20,452 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49901960784313726 [2022-12-13 14:40:20,452 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1018 transitions. [2022-12-13 14:40:20,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1018 transitions. [2022-12-13 14:40:20,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:40:20,454 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1018 transitions. [2022-12-13 14:40:20,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 3 states have internal predecessors, (1018), 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) [2022-12-13 14:40:20,466 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 680.0) internal successors, (2720), 4 states have internal predecessors, (2720), 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) [2022-12-13 14:40:20,469 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 680.0) internal successors, (2720), 4 states have internal predecessors, (2720), 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) [2022-12-13 14:40:20,469 INFO L175 Difference]: Start difference. First operand has 63 places, 63 transitions, 141 flow. Second operand 3 states and 1018 transitions. [2022-12-13 14:40:20,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 75 transitions, 265 flow [2022-12-13 14:40:20,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 75 transitions, 265 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 14:40:20,472 INFO L231 Difference]: Finished difference. Result has 63 places, 63 transitions, 156 flow [2022-12-13 14:40:20,472 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=680, PETRI_DIFFERENCE_MINUEND_FLOW=135, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=156, PETRI_PLACES=63, PETRI_TRANSITIONS=63} [2022-12-13 14:40:20,473 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, -22 predicate places. [2022-12-13 14:40:20,473 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 63 transitions, 156 flow [2022-12-13 14:40:20,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 323.3333333333333) internal successors, (970), 3 states have internal predecessors, (970), 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) [2022-12-13 14:40:20,475 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:40:20,475 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:40:20,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 14:40:20,475 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2022-12-13 14:40:20,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:40:20,476 INFO L85 PathProgramCache]: Analyzing trace with hash 440965631, now seen corresponding path program 1 times [2022-12-13 14:40:20,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:40:20,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305969803] [2022-12-13 14:40:20,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:40:20,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:40:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:20,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:40:20,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:40:20,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305969803] [2022-12-13 14:40:20,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305969803] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:40:20,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:40:20,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:40:20,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103178754] [2022-12-13 14:40:20,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:40:20,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:40:20,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:40:20,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:40:20,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:40:20,526 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 680 [2022-12-13 14:40:20,528 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 63 transitions, 156 flow. Second operand has 3 states, 3 states have (on average 321.3333333333333) internal successors, (964), 3 states have internal predecessors, (964), 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) [2022-12-13 14:40:20,528 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:40:20,528 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 680 [2022-12-13 14:40:20,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:40:20,896 INFO L130 PetriNetUnfolder]: 3358/5474 cut-off events. [2022-12-13 14:40:20,896 INFO L131 PetriNetUnfolder]: For 236/236 co-relation queries the response was YES. [2022-12-13 14:40:20,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10573 conditions, 5474 events. 3358/5474 cut-off events. For 236/236 co-relation queries the response was YES. Maximal size of possible extension queue 360. Compared 34714 event pairs, 541 based on Foata normal form. 0/4190 useless extension candidates. Maximal degree in co-relation 10568. Up to 4312 conditions per place. [2022-12-13 14:40:20,925 INFO L137 encePairwiseOnDemand]: 672/680 looper letters, 54 selfloop transitions, 4 changer transitions 0/79 dead transitions. [2022-12-13 14:40:20,925 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 79 transitions, 316 flow [2022-12-13 14:40:20,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:40:20,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 14:40:20,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1015 transitions. [2022-12-13 14:40:20,928 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49754901960784315 [2022-12-13 14:40:20,928 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1015 transitions. [2022-12-13 14:40:20,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1015 transitions. [2022-12-13 14:40:20,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:40:20,929 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1015 transitions. [2022-12-13 14:40:20,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 338.3333333333333) internal successors, (1015), 3 states have internal predecessors, (1015), 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) [2022-12-13 14:40:20,936 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 680.0) internal successors, (2720), 4 states have internal predecessors, (2720), 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) [2022-12-13 14:40:20,937 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 680.0) internal successors, (2720), 4 states have internal predecessors, (2720), 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) [2022-12-13 14:40:20,937 INFO L175 Difference]: Start difference. First operand has 63 places, 63 transitions, 156 flow. Second operand 3 states and 1015 transitions. [2022-12-13 14:40:20,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 79 transitions, 316 flow [2022-12-13 14:40:20,938 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 79 transitions, 316 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 14:40:20,939 INFO L231 Difference]: Finished difference. Result has 62 places, 63 transitions, 176 flow [2022-12-13 14:40:20,939 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=680, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=176, PETRI_PLACES=62, PETRI_TRANSITIONS=63} [2022-12-13 14:40:20,940 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, -23 predicate places. [2022-12-13 14:40:20,940 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 63 transitions, 176 flow [2022-12-13 14:40:20,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 321.3333333333333) internal successors, (964), 3 states have internal predecessors, (964), 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) [2022-12-13 14:40:20,941 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:40:20,941 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:40:20,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 14:40:20,941 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2022-12-13 14:40:20,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:40:20,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1397950256, now seen corresponding path program 1 times [2022-12-13 14:40:20,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:40:20,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937441787] [2022-12-13 14:40:20,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:40:20,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:40:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:20,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:40:20,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:40:20,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937441787] [2022-12-13 14:40:20,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937441787] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:40:20,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:40:20,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:40:20,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091797675] [2022-12-13 14:40:20,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:40:20,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:40:20,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:40:20,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:40:20,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:40:20,982 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 325 out of 680 [2022-12-13 14:40:20,983 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 63 transitions, 176 flow. Second operand has 3 states, 3 states have (on average 327.0) internal successors, (981), 3 states have internal predecessors, (981), 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) [2022-12-13 14:40:20,983 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:40:20,983 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 325 of 680 [2022-12-13 14:40:20,984 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:40:21,515 INFO L130 PetriNetUnfolder]: 4368/6750 cut-off events. [2022-12-13 14:40:21,516 INFO L131 PetriNetUnfolder]: For 609/609 co-relation queries the response was YES. [2022-12-13 14:40:21,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14415 conditions, 6750 events. 4368/6750 cut-off events. For 609/609 co-relation queries the response was YES. Maximal size of possible extension queue 422. Compared 43205 event pairs, 1127 based on Foata normal form. 0/5605 useless extension candidates. Maximal degree in co-relation 14409. Up to 3532 conditions per place. [2022-12-13 14:40:21,558 INFO L137 encePairwiseOnDemand]: 676/680 looper letters, 70 selfloop transitions, 2 changer transitions 0/94 dead transitions. [2022-12-13 14:40:21,559 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 94 transitions, 406 flow [2022-12-13 14:40:21,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:40:21,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 14:40:21,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1041 transitions. [2022-12-13 14:40:21,561 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5102941176470588 [2022-12-13 14:40:21,562 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1041 transitions. [2022-12-13 14:40:21,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1041 transitions. [2022-12-13 14:40:21,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:40:21,562 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1041 transitions. [2022-12-13 14:40:21,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 347.0) internal successors, (1041), 3 states have internal predecessors, (1041), 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) [2022-12-13 14:40:21,567 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 680.0) internal successors, (2720), 4 states have internal predecessors, (2720), 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) [2022-12-13 14:40:21,568 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 680.0) internal successors, (2720), 4 states have internal predecessors, (2720), 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) [2022-12-13 14:40:21,568 INFO L175 Difference]: Start difference. First operand has 62 places, 63 transitions, 176 flow. Second operand 3 states and 1041 transitions. [2022-12-13 14:40:21,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 94 transitions, 406 flow [2022-12-13 14:40:21,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 94 transitions, 406 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 14:40:21,570 INFO L231 Difference]: Finished difference. Result has 63 places, 63 transitions, 186 flow [2022-12-13 14:40:21,570 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=680, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=63, PETRI_TRANSITIONS=63} [2022-12-13 14:40:21,570 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, -22 predicate places. [2022-12-13 14:40:21,571 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 63 transitions, 186 flow [2022-12-13 14:40:21,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 327.0) internal successors, (981), 3 states have internal predecessors, (981), 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) [2022-12-13 14:40:21,571 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:40:21,571 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:40:21,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 14:40:21,571 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2022-12-13 14:40:21,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:40:21,572 INFO L85 PathProgramCache]: Analyzing trace with hash -894541868, now seen corresponding path program 1 times [2022-12-13 14:40:21,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:40:21,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593639456] [2022-12-13 14:40:21,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:40:21,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:40:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:21,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:40:21,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:40:21,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593639456] [2022-12-13 14:40:21,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593639456] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:40:21,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:40:21,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:40:21,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821968449] [2022-12-13 14:40:21,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:40:21,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:40:21,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:40:21,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:40:21,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:40:21,603 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 325 out of 680 [2022-12-13 14:40:21,605 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 63 transitions, 186 flow. Second operand has 3 states, 3 states have (on average 327.0) internal successors, (981), 3 states have internal predecessors, (981), 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) [2022-12-13 14:40:21,605 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:40:21,605 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 325 of 680 [2022-12-13 14:40:21,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:40:22,130 INFO L130 PetriNetUnfolder]: 4889/7605 cut-off events. [2022-12-13 14:40:22,130 INFO L131 PetriNetUnfolder]: For 905/909 co-relation queries the response was YES. [2022-12-13 14:40:22,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16659 conditions, 7605 events. 4889/7605 cut-off events. For 905/909 co-relation queries the response was YES. Maximal size of possible extension queue 434. Compared 49409 event pairs, 1540 based on Foata normal form. 0/6346 useless extension candidates. Maximal degree in co-relation 16652. Up to 3761 conditions per place. [2022-12-13 14:40:22,161 INFO L137 encePairwiseOnDemand]: 676/680 looper letters, 69 selfloop transitions, 2 changer transitions 0/93 dead transitions. [2022-12-13 14:40:22,161 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 93 transitions, 411 flow [2022-12-13 14:40:22,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:40:22,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 14:40:22,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1040 transitions. [2022-12-13 14:40:22,164 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5098039215686274 [2022-12-13 14:40:22,165 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1040 transitions. [2022-12-13 14:40:22,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1040 transitions. [2022-12-13 14:40:22,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:40:22,166 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1040 transitions. [2022-12-13 14:40:22,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 346.6666666666667) internal successors, (1040), 3 states have internal predecessors, (1040), 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) [2022-12-13 14:40:22,171 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 680.0) internal successors, (2720), 4 states have internal predecessors, (2720), 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) [2022-12-13 14:40:22,173 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 680.0) internal successors, (2720), 4 states have internal predecessors, (2720), 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) [2022-12-13 14:40:22,173 INFO L175 Difference]: Start difference. First operand has 63 places, 63 transitions, 186 flow. Second operand 3 states and 1040 transitions. [2022-12-13 14:40:22,173 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 93 transitions, 411 flow [2022-12-13 14:40:22,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 93 transitions, 411 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 14:40:22,176 INFO L231 Difference]: Finished difference. Result has 64 places, 63 transitions, 196 flow [2022-12-13 14:40:22,176 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=680, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=196, PETRI_PLACES=64, PETRI_TRANSITIONS=63} [2022-12-13 14:40:22,177 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, -21 predicate places. [2022-12-13 14:40:22,177 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 63 transitions, 196 flow [2022-12-13 14:40:22,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 327.0) internal successors, (981), 3 states have internal predecessors, (981), 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) [2022-12-13 14:40:22,178 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:40:22,178 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:40:22,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 14:40:22,178 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2022-12-13 14:40:22,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:40:22,178 INFO L85 PathProgramCache]: Analyzing trace with hash 844346766, now seen corresponding path program 1 times [2022-12-13 14:40:22,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:40:22,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584518032] [2022-12-13 14:40:22,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:40:22,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:40:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:40:22,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:40:22,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:40:22,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584518032] [2022-12-13 14:40:22,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584518032] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:40:22,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:40:22,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:40:22,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402377837] [2022-12-13 14:40:22,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:40:22,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:40:22,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:40:22,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:40:22,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:40:22,219 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 325 out of 680 [2022-12-13 14:40:22,220 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 63 transitions, 196 flow. Second operand has 3 states, 3 states have (on average 327.6666666666667) internal successors, (983), 3 states have internal predecessors, (983), 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) [2022-12-13 14:40:22,220 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:40:22,220 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 325 of 680 [2022-12-13 14:40:22,220 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:40:22,837 INFO L130 PetriNetUnfolder]: 5513/8298 cut-off events. [2022-12-13 14:40:22,837 INFO L131 PetriNetUnfolder]: For 1323/1353 co-relation queries the response was YES. [2022-12-13 14:40:22,846 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19035 conditions, 8298 events. 5513/8298 cut-off events. For 1323/1353 co-relation queries the response was YES. Maximal size of possible extension queue 422. Compared 51743 event pairs, 2027 based on Foata normal form. 0/6894 useless extension candidates. Maximal degree in co-relation 19027. Up to 3989 conditions per place. [2022-12-13 14:40:22,850 INFO L137 encePairwiseOnDemand]: 676/680 looper letters, 0 selfloop transitions, 0 changer transitions 93/93 dead transitions. [2022-12-13 14:40:22,850 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 93 transitions, 427 flow [2022-12-13 14:40:22,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:40:22,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 14:40:22,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1039 transitions. [2022-12-13 14:40:22,852 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.509313725490196 [2022-12-13 14:40:22,852 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1039 transitions. [2022-12-13 14:40:22,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1039 transitions. [2022-12-13 14:40:22,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:40:22,852 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1039 transitions. [2022-12-13 14:40:22,853 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 346.3333333333333) internal successors, (1039), 3 states have internal predecessors, (1039), 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) [2022-12-13 14:40:22,855 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 680.0) internal successors, (2720), 4 states have internal predecessors, (2720), 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) [2022-12-13 14:40:22,856 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 680.0) internal successors, (2720), 4 states have internal predecessors, (2720), 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) [2022-12-13 14:40:22,856 INFO L175 Difference]: Start difference. First operand has 64 places, 63 transitions, 196 flow. Second operand 3 states and 1039 transitions. [2022-12-13 14:40:22,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 93 transitions, 427 flow [2022-12-13 14:40:22,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 93 transitions, 427 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 14:40:22,859 INFO L231 Difference]: Finished difference. Result has 64 places, 0 transitions, 0 flow [2022-12-13 14:40:22,859 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=680, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=64, PETRI_TRANSITIONS=0} [2022-12-13 14:40:22,860 INFO L288 CegarLoopForPetriNet]: 85 programPoint places, -21 predicate places. [2022-12-13 14:40:22,860 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 0 transitions, 0 flow [2022-12-13 14:40:22,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 327.6666666666667) internal successors, (983), 3 states have internal predecessors, (983), 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) [2022-12-13 14:40:22,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (52 of 53 remaining) [2022-12-13 14:40:22,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (51 of 53 remaining) [2022-12-13 14:40:22,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (50 of 53 remaining) [2022-12-13 14:40:22,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (49 of 53 remaining) [2022-12-13 14:40:22,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (48 of 53 remaining) [2022-12-13 14:40:22,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (47 of 53 remaining) [2022-12-13 14:40:22,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (46 of 53 remaining) [2022-12-13 14:40:22,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (45 of 53 remaining) [2022-12-13 14:40:22,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (44 of 53 remaining) [2022-12-13 14:40:22,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (43 of 53 remaining) [2022-12-13 14:40:22,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (42 of 53 remaining) [2022-12-13 14:40:22,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (41 of 53 remaining) [2022-12-13 14:40:22,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (40 of 53 remaining) [2022-12-13 14:40:22,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (39 of 53 remaining) [2022-12-13 14:40:22,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (38 of 53 remaining) [2022-12-13 14:40:22,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (37 of 53 remaining) [2022-12-13 14:40:22,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (36 of 53 remaining) [2022-12-13 14:40:22,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (35 of 53 remaining) [2022-12-13 14:40:22,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (34 of 53 remaining) [2022-12-13 14:40:22,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (33 of 53 remaining) [2022-12-13 14:40:22,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (32 of 53 remaining) [2022-12-13 14:40:22,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (31 of 53 remaining) [2022-12-13 14:40:22,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (30 of 53 remaining) [2022-12-13 14:40:22,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (29 of 53 remaining) [2022-12-13 14:40:22,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (28 of 53 remaining) [2022-12-13 14:40:22,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (27 of 53 remaining) [2022-12-13 14:40:22,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (26 of 53 remaining) [2022-12-13 14:40:22,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (25 of 53 remaining) [2022-12-13 14:40:22,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (24 of 53 remaining) [2022-12-13 14:40:22,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (23 of 53 remaining) [2022-12-13 14:40:22,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (22 of 53 remaining) [2022-12-13 14:40:22,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (21 of 53 remaining) [2022-12-13 14:40:22,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 53 remaining) [2022-12-13 14:40:22,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 53 remaining) [2022-12-13 14:40:22,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 53 remaining) [2022-12-13 14:40:22,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 53 remaining) [2022-12-13 14:40:22,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 53 remaining) [2022-12-13 14:40:22,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (15 of 53 remaining) [2022-12-13 14:40:22,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (14 of 53 remaining) [2022-12-13 14:40:22,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (13 of 53 remaining) [2022-12-13 14:40:22,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (12 of 53 remaining) [2022-12-13 14:40:22,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (11 of 53 remaining) [2022-12-13 14:40:22,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (10 of 53 remaining) [2022-12-13 14:40:22,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (9 of 53 remaining) [2022-12-13 14:40:22,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (8 of 53 remaining) [2022-12-13 14:40:22,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (7 of 53 remaining) [2022-12-13 14:40:22,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 53 remaining) [2022-12-13 14:40:22,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 53 remaining) [2022-12-13 14:40:22,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 53 remaining) [2022-12-13 14:40:22,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 53 remaining) [2022-12-13 14:40:22,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 53 remaining) [2022-12-13 14:40:22,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (1 of 53 remaining) [2022-12-13 14:40:22,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (0 of 53 remaining) [2022-12-13 14:40:22,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 14:40:22,870 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:40:22,875 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 14:40:22,876 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 14:40:22,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 02:40:22 BasicIcfg [2022-12-13 14:40:22,879 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 14:40:22,880 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:40:22,880 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:40:22,880 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:40:22,880 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:40:12" (3/4) ... [2022-12-13 14:40:22,882 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 14:40:22,886 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 14:40:22,886 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 14:40:22,886 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-12-13 14:40:22,890 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-12-13 14:40:22,890 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 14:40:22,890 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 14:40:22,890 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 14:40:22,924 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c989700-8e1e-4918-8510-b23b123e5820/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 14:40:22,925 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:40:22,925 INFO L158 Benchmark]: Toolchain (without parser) took 10765.35ms. Allocated memory was 138.4MB in the beginning and 423.6MB in the end (delta: 285.2MB). Free memory was 103.9MB in the beginning and 108.3MB in the end (delta: -4.4MB). Peak memory consumption was 282.2MB. Max. memory is 16.1GB. [2022-12-13 14:40:22,925 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 138.4MB. Free memory is still 110.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:40:22,926 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.59ms. Allocated memory is still 138.4MB. Free memory was 103.9MB in the beginning and 92.3MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 14:40:22,926 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.94ms. Allocated memory is still 138.4MB. Free memory was 91.9MB in the beginning and 89.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:40:22,926 INFO L158 Benchmark]: Boogie Preprocessor took 23.07ms. Allocated memory is still 138.4MB. Free memory was 89.4MB in the beginning and 87.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:40:22,927 INFO L158 Benchmark]: RCFGBuilder took 552.14ms. Allocated memory is still 138.4MB. Free memory was 87.7MB in the beginning and 63.4MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-13 14:40:22,927 INFO L158 Benchmark]: TraceAbstraction took 9914.84ms. Allocated memory was 138.4MB in the beginning and 423.6MB in the end (delta: 285.2MB). Free memory was 62.5MB in the beginning and 111.5MB in the end (delta: -49.0MB). Peak memory consumption was 238.1MB. Max. memory is 16.1GB. [2022-12-13 14:40:22,949 INFO L158 Benchmark]: Witness Printer took 45.13ms. Allocated memory is still 423.6MB. Free memory was 111.5MB in the beginning and 108.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:40:22,951 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 138.4MB. Free memory is still 110.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 191.59ms. Allocated memory is still 138.4MB. Free memory was 103.9MB in the beginning and 92.3MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.94ms. Allocated memory is still 138.4MB. Free memory was 91.9MB in the beginning and 89.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.07ms. Allocated memory is still 138.4MB. Free memory was 89.4MB in the beginning and 87.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 552.14ms. Allocated memory is still 138.4MB. Free memory was 87.7MB in the beginning and 63.4MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 9914.84ms. Allocated memory was 138.4MB in the beginning and 423.6MB in the end (delta: 285.2MB). Free memory was 62.5MB in the beginning and 111.5MB in the end (delta: -49.0MB). Peak memory consumption was 238.1MB. Max. memory is 16.1GB. * Witness Printer took 45.13ms. Allocated memory is still 423.6MB. Free memory was 111.5MB in the beginning and 108.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.8s, 318 PlacesBefore, 85 PlacesAfterwards, 321 TransitionsBefore, 83 TransitionsAfterwards, 30240 CoEnabledTransitionPairs, 9 FixpointIterations, 127 TrivialSequentialCompositions, 157 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 43 ConcurrentYvCompositions, 5 ChoiceCompositions, 333 TotalNumberOfCompositions, 80886 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 48896, independent: 47987, independent conditional: 0, independent unconditional: 47987, dependent: 909, dependent conditional: 0, dependent unconditional: 909, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 17439, independent: 17346, independent conditional: 0, independent unconditional: 17346, dependent: 93, dependent conditional: 0, dependent unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 48896, independent: 30641, independent conditional: 0, independent unconditional: 30641, dependent: 816, dependent conditional: 0, dependent unconditional: 816, unknown: 17439, unknown conditional: 0, unknown unconditional: 17439] , Statistics on independence cache: Total cache size (in pairs): 1225, Positive cache size: 1177, Positive conditional cache size: 0, Positive unconditional cache size: 1177, Negative cache size: 48, Negative conditional cache size: 0, Negative unconditional cache size: 48, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: 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 7 procedures, 507 locations, 53 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: 9.7s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 300 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 205 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 58 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 531 IncrementalHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 58 mSolverCounterUnsat, 42 mSDtfsCounter, 531 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=196occurred in iteration=6, InterpolantAutomatonStates: 20, 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, 0.2s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 54 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 32 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 14:40:22,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c989700-8e1e-4918-8510-b23b123e5820/bin/uautomizer-uyxdKDjOR8/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