./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-nzb-file-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a 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_4e1eed04-ea03-4ac8-bf22-ac5b4cbaded0/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1eed04-ea03-4ac8-bf22-ac5b4cbaded0/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1eed04-ea03-4ac8-bf22-ac5b4cbaded0/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1eed04-ea03-4ac8-bf22-ac5b4cbaded0/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-nzb-file-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1eed04-ea03-4ac8-bf22-ac5b4cbaded0/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1eed04-ea03-4ac8-bf22-ac5b4cbaded0/bin/uautomizer-Dbtcem3rbc --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 586b4acd2b590d05e6c872ab286b63f1e9a66197df0a80de4a917f3d7db6c786 --- 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-5e519f3 [2022-11-02 20:02:57,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:02:57,135 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:02:57,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:02:57,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:02:57,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:02:57,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:02:57,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:02:57,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:02:57,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:02:57,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:02:57,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:02:57,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:02:57,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:02:57,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:02:57,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:02:57,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:02:57,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:02:57,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:02:57,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:02:57,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:02:57,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:02:57,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:02:57,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:02:57,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:02:57,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:02:57,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:02:57,227 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:02:57,228 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:02:57,229 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:02:57,231 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:02:57,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:02:57,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:02:57,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:02:57,237 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:02:57,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:02:57,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:02:57,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:02:57,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:02:57,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:02:57,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:02:57,243 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1eed04-ea03-4ac8-bf22-ac5b4cbaded0/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-02 20:02:57,270 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:02:57,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:02:57,270 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:02:57,271 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:02:57,271 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:02:57,272 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:02:57,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:02:57,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:02:57,273 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:02:57,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:02:57,273 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:02:57,273 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:02:57,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:02:57,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:02:57,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:02:57,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:02:57,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:02:57,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:02:57,275 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-02 20:02:57,275 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:02:57,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:02:57,276 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:02:57,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:02:57,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:02:57,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:02:57,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:02:57,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:02:57,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:02:57,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:02:57,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:02:57,278 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:02:57,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:02:57,278 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:02:57,278 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:02:57,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:02:57,279 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1eed04-ea03-4ac8-bf22-ac5b4cbaded0/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1eed04-ea03-4ac8-bf22-ac5b4cbaded0/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 586b4acd2b590d05e6c872ab286b63f1e9a66197df0a80de4a917f3d7db6c786 [2022-11-02 20:02:57,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:02:57,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:02:57,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:02:57,645 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:02:57,646 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:02:57,647 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1eed04-ea03-4ac8-bf22-ac5b4cbaded0/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/weaver/chl-nzb-file-trans.wvr.c [2022-11-02 20:02:57,741 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1eed04-ea03-4ac8-bf22-ac5b4cbaded0/bin/uautomizer-Dbtcem3rbc/data/f8c6bde97/89e45871b09c4276b5fb9c981716014d/FLAG07c598828 [2022-11-02 20:02:58,243 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:02:58,244 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1eed04-ea03-4ac8-bf22-ac5b4cbaded0/sv-benchmarks/c/weaver/chl-nzb-file-trans.wvr.c [2022-11-02 20:02:58,264 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1eed04-ea03-4ac8-bf22-ac5b4cbaded0/bin/uautomizer-Dbtcem3rbc/data/f8c6bde97/89e45871b09c4276b5fb9c981716014d/FLAG07c598828 [2022-11-02 20:02:58,584 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1eed04-ea03-4ac8-bf22-ac5b4cbaded0/bin/uautomizer-Dbtcem3rbc/data/f8c6bde97/89e45871b09c4276b5fb9c981716014d [2022-11-02 20:02:58,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:02:58,592 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:02:58,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:02:58,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:02:58,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:02:58,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:02:58" (1/1) ... [2022-11-02 20:02:58,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77848648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:02:58, skipping insertion in model container [2022-11-02 20:02:58,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:02:58" (1/1) ... [2022-11-02 20:02:58,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:02:58,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:02:59,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1eed04-ea03-4ac8-bf22-ac5b4cbaded0/sv-benchmarks/c/weaver/chl-nzb-file-trans.wvr.c[6450,6463] [2022-11-02 20:02:59,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:02:59,099 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:02:59,169 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1eed04-ea03-4ac8-bf22-ac5b4cbaded0/sv-benchmarks/c/weaver/chl-nzb-file-trans.wvr.c[6450,6463] [2022-11-02 20:02:59,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:02:59,188 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:02:59,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:02:59 WrapperNode [2022-11-02 20:02:59,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:02:59,190 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:02:59,190 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:02:59,190 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:02:59,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:02:59" (1/1) ... [2022-11-02 20:02:59,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:02:59" (1/1) ... [2022-11-02 20:02:59,266 INFO L138 Inliner]: procedures = 26, calls = 76, calls flagged for inlining = 28, calls inlined = 42, statements flattened = 1305 [2022-11-02 20:02:59,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:02:59,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:02:59,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:02:59,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:02:59,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:02:59" (1/1) ... [2022-11-02 20:02:59,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:02:59" (1/1) ... [2022-11-02 20:02:59,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:02:59" (1/1) ... [2022-11-02 20:02:59,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:02:59" (1/1) ... [2022-11-02 20:02:59,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:02:59" (1/1) ... [2022-11-02 20:02:59,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:02:59" (1/1) ... [2022-11-02 20:02:59,372 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:02:59" (1/1) ... [2022-11-02 20:02:59,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:02:59" (1/1) ... [2022-11-02 20:02:59,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:02:59,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:02:59,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:02:59,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:02:59,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:02:59" (1/1) ... [2022-11-02 20:02:59,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:02:59,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1eed04-ea03-4ac8-bf22-ac5b4cbaded0/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:02:59,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1eed04-ea03-4ac8-bf22-ac5b4cbaded0/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:02:59,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1eed04-ea03-4ac8-bf22-ac5b4cbaded0/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:02:59,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:02:59,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:02:59,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:02:59,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:02:59,511 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-02 20:02:59,512 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-02 20:02:59,513 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-02 20:02:59,513 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-02 20:02:59,514 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-02 20:02:59,514 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-02 20:02:59,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:02:59,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:02:59,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:02:59,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:02:59,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:02:59,517 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-02 20:02:59,812 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:02:59,815 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:03:01,718 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:03:01,738 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:03:01,738 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-02 20:03:01,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:03:01 BoogieIcfgContainer [2022-11-02 20:03:01,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:03:01,745 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:03:01,745 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:03:01,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:03:01,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:02:58" (1/3) ... [2022-11-02 20:03:01,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@634bd47f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:03:01, skipping insertion in model container [2022-11-02 20:03:01,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:02:59" (2/3) ... [2022-11-02 20:03:01,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@634bd47f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:03:01, skipping insertion in model container [2022-11-02 20:03:01,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:03:01" (3/3) ... [2022-11-02 20:03:01,757 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-nzb-file-trans.wvr.c [2022-11-02 20:03:01,768 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 20:03:01,781 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:03:01,781 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 228 error locations. [2022-11-02 20:03:01,782 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 20:03:02,123 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-02 20:03:02,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1656 places, 1757 transitions, 3538 flow [2022-11-02 20:03:04,444 INFO L130 PetriNetUnfolder]: 111/1754 cut-off events. [2022-11-02 20:03:04,445 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-02 20:03:04,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1767 conditions, 1754 events. 111/1754 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 7784 event pairs, 0 based on Foata normal form. 0/1415 useless extension candidates. Maximal degree in co-relation 1382. Up to 2 conditions per place. [2022-11-02 20:03:04,610 INFO L82 GeneralOperation]: Start removeDead. Operand has 1656 places, 1757 transitions, 3538 flow [2022-11-02 20:03:04,760 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1631 places, 1730 transitions, 3478 flow [2022-11-02 20:03:04,778 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:03:04,787 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;@1f002c64, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:03:04,787 INFO L358 AbstractCegarLoop]: Starting to check reachability of 429 error locations. [2022-11-02 20:03:04,794 INFO L130 PetriNetUnfolder]: 0/40 cut-off events. [2022-11-02 20:03:04,795 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:03:04,795 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:03:04,796 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:03:04,797 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2022-11-02 20:03:04,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:03:04,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1570181020, now seen corresponding path program 1 times [2022-11-02 20:03:04,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:03:04,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311694878] [2022-11-02 20:03:04,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:03:04,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:03:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:03:05,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:03:05,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:03:05,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311694878] [2022-11-02 20:03:05,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311694878] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:03:05,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:03:05,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:03:05,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164029851] [2022-11-02 20:03:05,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:03:05,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:03:05,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:03:05,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:03:05,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:03:05,263 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 1701 out of 1757 [2022-11-02 20:03:05,277 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1631 places, 1730 transitions, 3478 flow. Second operand has 3 states, 3 states have (on average 1702.3333333333333) internal successors, (5107), 3 states have internal predecessors, (5107), 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) [2022-11-02 20:03:05,277 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:03:05,277 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1701 of 1757 [2022-11-02 20:03:05,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:03:08,541 INFO L130 PetriNetUnfolder]: 145/2917 cut-off events. [2022-11-02 20:03:08,541 INFO L131 PetriNetUnfolder]: For 51/53 co-relation queries the response was YES. [2022-11-02 20:03:08,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3018 conditions, 2917 events. 145/2917 cut-off events. For 51/53 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 18223 event pairs, 21 based on Foata normal form. 222/2566 useless extension candidates. Maximal degree in co-relation 2516. Up to 63 conditions per place. [2022-11-02 20:03:08,776 INFO L137 encePairwiseOnDemand]: 1718/1757 looper letters, 15 selfloop transitions, 2 changer transitions 6/1693 dead transitions. [2022-11-02 20:03:08,777 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1632 places, 1693 transitions, 3438 flow [2022-11-02 20:03:08,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:03:08,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:03:08,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5157 transitions. [2022-11-02 20:03:08,810 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9783722253841776 [2022-11-02 20:03:08,811 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5157 transitions. [2022-11-02 20:03:08,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5157 transitions. [2022-11-02 20:03:08,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:03:08,821 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5157 transitions. [2022-11-02 20:03:08,840 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1719.0) internal successors, (5157), 3 states have internal predecessors, (5157), 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) [2022-11-02 20:03:08,861 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1757.0) internal successors, (7028), 4 states have internal predecessors, (7028), 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) [2022-11-02 20:03:08,867 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1757.0) internal successors, (7028), 4 states have internal predecessors, (7028), 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) [2022-11-02 20:03:08,870 INFO L175 Difference]: Start difference. First operand has 1631 places, 1730 transitions, 3478 flow. Second operand 3 states and 5157 transitions. [2022-11-02 20:03:08,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1632 places, 1693 transitions, 3438 flow [2022-11-02 20:03:08,890 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1626 places, 1693 transitions, 3426 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-02 20:03:08,922 INFO L231 Difference]: Finished difference. Result has 1626 places, 1687 transitions, 3384 flow [2022-11-02 20:03:08,927 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=1757, PETRI_DIFFERENCE_MINUEND_FLOW=3392, PETRI_DIFFERENCE_MINUEND_PLACES=1624, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1693, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1691, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3384, PETRI_PLACES=1626, PETRI_TRANSITIONS=1687} [2022-11-02 20:03:08,932 INFO L287 CegarLoopForPetriNet]: 1631 programPoint places, -5 predicate places. [2022-11-02 20:03:08,932 INFO L495 AbstractCegarLoop]: Abstraction has has 1626 places, 1687 transitions, 3384 flow [2022-11-02 20:03:08,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1702.3333333333333) internal successors, (5107), 3 states have internal predecessors, (5107), 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) [2022-11-02 20:03:08,937 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:03:08,937 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:03:08,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:03:08,938 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2022-11-02 20:03:08,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:03:08,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1234220149, now seen corresponding path program 1 times [2022-11-02 20:03:08,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:03:08,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887071788] [2022-11-02 20:03:08,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:03:08,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:03:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:03:09,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:03:09,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:03:09,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887071788] [2022-11-02 20:03:09,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887071788] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:03:09,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:03:09,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:03:09,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097081219] [2022-11-02 20:03:09,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:03:09,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:03:09,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:03:09,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:03:09,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:03:09,091 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 1701 out of 1757 [2022-11-02 20:03:09,100 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1626 places, 1687 transitions, 3384 flow. Second operand has 3 states, 3 states have (on average 1702.3333333333333) internal successors, (5107), 3 states have internal predecessors, (5107), 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) [2022-11-02 20:03:09,101 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:03:09,101 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1701 of 1757 [2022-11-02 20:03:09,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:03:11,685 INFO L130 PetriNetUnfolder]: 145/2938 cut-off events. [2022-11-02 20:03:11,685 INFO L131 PetriNetUnfolder]: For 14/16 co-relation queries the response was YES. [2022-11-02 20:03:11,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3016 conditions, 2938 events. 145/2938 cut-off events. For 14/16 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 19025 event pairs, 21 based on Foata normal form. 0/2372 useless extension candidates. Maximal degree in co-relation 2967. Up to 63 conditions per place. [2022-11-02 20:03:11,906 INFO L137 encePairwiseOnDemand]: 1754/1757 looper letters, 15 selfloop transitions, 2 changer transitions 0/1686 dead transitions. [2022-11-02 20:03:11,907 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1621 places, 1686 transitions, 3416 flow [2022-11-02 20:03:11,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:03:11,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:03:11,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5121 transitions. [2022-11-02 20:03:11,920 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9715424018212863 [2022-11-02 20:03:11,921 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5121 transitions. [2022-11-02 20:03:11,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5121 transitions. [2022-11-02 20:03:11,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:03:11,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5121 transitions. [2022-11-02 20:03:11,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1707.0) internal successors, (5121), 3 states have internal predecessors, (5121), 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) [2022-11-02 20:03:11,955 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1757.0) internal successors, (7028), 4 states have internal predecessors, (7028), 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) [2022-11-02 20:03:11,960 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1757.0) internal successors, (7028), 4 states have internal predecessors, (7028), 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) [2022-11-02 20:03:11,961 INFO L175 Difference]: Start difference. First operand has 1626 places, 1687 transitions, 3384 flow. Second operand 3 states and 5121 transitions. [2022-11-02 20:03:11,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1621 places, 1686 transitions, 3416 flow [2022-11-02 20:03:11,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1619 places, 1686 transitions, 3412 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:03:12,002 INFO L231 Difference]: Finished difference. Result has 1619 places, 1686 transitions, 3382 flow [2022-11-02 20:03:12,005 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=1757, PETRI_DIFFERENCE_MINUEND_FLOW=3378, PETRI_DIFFERENCE_MINUEND_PLACES=1617, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1686, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1684, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3382, PETRI_PLACES=1619, PETRI_TRANSITIONS=1686} [2022-11-02 20:03:12,006 INFO L287 CegarLoopForPetriNet]: 1631 programPoint places, -12 predicate places. [2022-11-02 20:03:12,006 INFO L495 AbstractCegarLoop]: Abstraction has has 1619 places, 1686 transitions, 3382 flow [2022-11-02 20:03:12,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1702.3333333333333) internal successors, (5107), 3 states have internal predecessors, (5107), 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) [2022-11-02 20:03:12,010 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:03:12,011 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:03:12,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:03:12,011 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2022-11-02 20:03:12,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:03:12,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1280258702, now seen corresponding path program 1 times [2022-11-02 20:03:12,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:03:12,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145362577] [2022-11-02 20:03:12,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:03:12,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:03:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:03:12,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:03:12,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:03:12,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145362577] [2022-11-02 20:03:12,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145362577] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:03:12,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:03:12,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:03:12,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193039657] [2022-11-02 20:03:12,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:03:12,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:03:12,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:03:12,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:03:12,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:03:12,102 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 1701 out of 1757 [2022-11-02 20:03:12,125 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1619 places, 1686 transitions, 3382 flow. Second operand has 3 states, 3 states have (on average 1702.3333333333333) internal successors, (5107), 3 states have internal predecessors, (5107), 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) [2022-11-02 20:03:12,130 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:03:12,130 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1701 of 1757 [2022-11-02 20:03:12,130 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:03:15,835 INFO L130 PetriNetUnfolder]: 209/3970 cut-off events. [2022-11-02 20:03:15,836 INFO L131 PetriNetUnfolder]: For 11/13 co-relation queries the response was YES. [2022-11-02 20:03:16,221 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4087 conditions, 3970 events. 209/3970 cut-off events. For 11/13 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 27692 event pairs, 39 based on Foata normal form. 0/3188 useless extension candidates. Maximal degree in co-relation 4031. Up to 90 conditions per place. [2022-11-02 20:03:16,322 INFO L137 encePairwiseOnDemand]: 1754/1757 looper letters, 15 selfloop transitions, 2 changer transitions 0/1685 dead transitions. [2022-11-02 20:03:16,322 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1620 places, 1685 transitions, 3414 flow [2022-11-02 20:03:16,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:03:16,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:03:16,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5121 transitions. [2022-11-02 20:03:16,338 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9715424018212863 [2022-11-02 20:03:16,338 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5121 transitions. [2022-11-02 20:03:16,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5121 transitions. [2022-11-02 20:03:16,342 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:03:16,342 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5121 transitions. [2022-11-02 20:03:16,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1707.0) internal successors, (5121), 3 states have internal predecessors, (5121), 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) [2022-11-02 20:03:16,367 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1757.0) internal successors, (7028), 4 states have internal predecessors, (7028), 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) [2022-11-02 20:03:16,370 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1757.0) internal successors, (7028), 4 states have internal predecessors, (7028), 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) [2022-11-02 20:03:16,370 INFO L175 Difference]: Start difference. First operand has 1619 places, 1686 transitions, 3382 flow. Second operand 3 states and 5121 transitions. [2022-11-02 20:03:16,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1620 places, 1685 transitions, 3414 flow [2022-11-02 20:03:16,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1618 places, 1685 transitions, 3410 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:03:16,406 INFO L231 Difference]: Finished difference. Result has 1618 places, 1685 transitions, 3380 flow [2022-11-02 20:03:16,410 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=1757, PETRI_DIFFERENCE_MINUEND_FLOW=3376, PETRI_DIFFERENCE_MINUEND_PLACES=1616, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1685, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1683, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3380, PETRI_PLACES=1618, PETRI_TRANSITIONS=1685} [2022-11-02 20:03:16,413 INFO L287 CegarLoopForPetriNet]: 1631 programPoint places, -13 predicate places. [2022-11-02 20:03:16,414 INFO L495 AbstractCegarLoop]: Abstraction has has 1618 places, 1685 transitions, 3380 flow [2022-11-02 20:03:16,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1702.3333333333333) internal successors, (5107), 3 states have internal predecessors, (5107), 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) [2022-11-02 20:03:16,416 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:03:16,416 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:03:16,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:03:16,417 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2022-11-02 20:03:16,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:03:16,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1121064490, now seen corresponding path program 1 times [2022-11-02 20:03:16,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:03:16,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758546873] [2022-11-02 20:03:16,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:03:16,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:03:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:03:16,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:03:16,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:03:16,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758546873] [2022-11-02 20:03:16,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758546873] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:03:16,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:03:16,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:03:16,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147193911] [2022-11-02 20:03:16,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:03:16,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:03:16,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:03:16,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:03:16,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:03:16,548 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 1701 out of 1757 [2022-11-02 20:03:16,555 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1618 places, 1685 transitions, 3380 flow. Second operand has 3 states, 3 states have (on average 1702.3333333333333) internal successors, (5107), 3 states have internal predecessors, (5107), 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) [2022-11-02 20:03:16,555 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:03:16,555 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1701 of 1757 [2022-11-02 20:03:16,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:03:19,871 INFO L130 PetriNetUnfolder]: 209/4013 cut-off events. [2022-11-02 20:03:19,872 INFO L131 PetriNetUnfolder]: For 11/14 co-relation queries the response was YES. [2022-11-02 20:03:20,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4130 conditions, 4013 events. 209/4013 cut-off events. For 11/14 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 29337 event pairs, 39 based on Foata normal form. 0/3232 useless extension candidates. Maximal degree in co-relation 4067. Up to 90 conditions per place. [2022-11-02 20:03:20,183 INFO L137 encePairwiseOnDemand]: 1754/1757 looper letters, 15 selfloop transitions, 2 changer transitions 0/1684 dead transitions. [2022-11-02 20:03:20,183 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1619 places, 1684 transitions, 3412 flow [2022-11-02 20:03:20,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:03:20,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:03:20,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5121 transitions. [2022-11-02 20:03:20,197 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9715424018212863 [2022-11-02 20:03:20,197 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5121 transitions. [2022-11-02 20:03:20,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5121 transitions. [2022-11-02 20:03:20,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:03:20,202 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5121 transitions. [2022-11-02 20:03:20,213 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1707.0) internal successors, (5121), 3 states have internal predecessors, (5121), 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) [2022-11-02 20:03:20,225 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1757.0) internal successors, (7028), 4 states have internal predecessors, (7028), 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) [2022-11-02 20:03:20,228 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1757.0) internal successors, (7028), 4 states have internal predecessors, (7028), 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) [2022-11-02 20:03:20,228 INFO L175 Difference]: Start difference. First operand has 1618 places, 1685 transitions, 3380 flow. Second operand 3 states and 5121 transitions. [2022-11-02 20:03:20,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1619 places, 1684 transitions, 3412 flow [2022-11-02 20:03:20,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1617 places, 1684 transitions, 3408 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:03:20,264 INFO L231 Difference]: Finished difference. Result has 1617 places, 1684 transitions, 3378 flow [2022-11-02 20:03:20,267 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=1757, PETRI_DIFFERENCE_MINUEND_FLOW=3374, PETRI_DIFFERENCE_MINUEND_PLACES=1615, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1684, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1682, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3378, PETRI_PLACES=1617, PETRI_TRANSITIONS=1684} [2022-11-02 20:03:20,269 INFO L287 CegarLoopForPetriNet]: 1631 programPoint places, -14 predicate places. [2022-11-02 20:03:20,269 INFO L495 AbstractCegarLoop]: Abstraction has has 1617 places, 1684 transitions, 3378 flow [2022-11-02 20:03:20,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1702.3333333333333) internal successors, (5107), 3 states have internal predecessors, (5107), 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) [2022-11-02 20:03:20,271 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:03:20,272 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:03:20,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:03:20,272 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2022-11-02 20:03:20,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:03:20,273 INFO L85 PathProgramCache]: Analyzing trace with hash -993125539, now seen corresponding path program 1 times [2022-11-02 20:03:20,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:03:20,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168313366] [2022-11-02 20:03:20,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:03:20,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:03:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:03:20,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:03:20,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:03:20,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168313366] [2022-11-02 20:03:20,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168313366] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:03:20,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:03:20,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:03:20,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098049695] [2022-11-02 20:03:20,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:03:20,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:03:20,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:03:20,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:03:20,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:03:20,410 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 1701 out of 1757 [2022-11-02 20:03:20,416 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1617 places, 1684 transitions, 3378 flow. Second operand has 3 states, 3 states have (on average 1702.3333333333333) internal successors, (5107), 3 states have internal predecessors, (5107), 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) [2022-11-02 20:03:20,417 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:03:20,417 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1701 of 1757 [2022-11-02 20:03:20,417 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:03:22,379 INFO L130 PetriNetUnfolder]: 140/2622 cut-off events. [2022-11-02 20:03:22,379 INFO L131 PetriNetUnfolder]: For 26/28 co-relation queries the response was YES. [2022-11-02 20:03:22,506 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2724 conditions, 2622 events. 140/2622 cut-off events. For 26/28 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 16052 event pairs, 39 based on Foata normal form. 0/2140 useless extension candidates. Maximal degree in co-relation 2654. Up to 90 conditions per place. [2022-11-02 20:03:22,560 INFO L137 encePairwiseOnDemand]: 1754/1757 looper letters, 15 selfloop transitions, 2 changer transitions 0/1683 dead transitions. [2022-11-02 20:03:22,560 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1618 places, 1683 transitions, 3410 flow [2022-11-02 20:03:22,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:03:22,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:03:22,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5121 transitions. [2022-11-02 20:03:22,573 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9715424018212863 [2022-11-02 20:03:22,574 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5121 transitions. [2022-11-02 20:03:22,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5121 transitions. [2022-11-02 20:03:22,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:03:22,578 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5121 transitions. [2022-11-02 20:03:22,590 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1707.0) internal successors, (5121), 3 states have internal predecessors, (5121), 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) [2022-11-02 20:03:22,601 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1757.0) internal successors, (7028), 4 states have internal predecessors, (7028), 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) [2022-11-02 20:03:22,604 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1757.0) internal successors, (7028), 4 states have internal predecessors, (7028), 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) [2022-11-02 20:03:22,605 INFO L175 Difference]: Start difference. First operand has 1617 places, 1684 transitions, 3378 flow. Second operand 3 states and 5121 transitions. [2022-11-02 20:03:22,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1618 places, 1683 transitions, 3410 flow [2022-11-02 20:03:22,618 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1616 places, 1683 transitions, 3406 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:03:22,640 INFO L231 Difference]: Finished difference. Result has 1616 places, 1683 transitions, 3376 flow [2022-11-02 20:03:22,643 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=1757, PETRI_DIFFERENCE_MINUEND_FLOW=3372, PETRI_DIFFERENCE_MINUEND_PLACES=1614, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1683, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1681, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3376, PETRI_PLACES=1616, PETRI_TRANSITIONS=1683} [2022-11-02 20:03:22,644 INFO L287 CegarLoopForPetriNet]: 1631 programPoint places, -15 predicate places. [2022-11-02 20:03:22,644 INFO L495 AbstractCegarLoop]: Abstraction has has 1616 places, 1683 transitions, 3376 flow [2022-11-02 20:03:22,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1702.3333333333333) internal successors, (5107), 3 states have internal predecessors, (5107), 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) [2022-11-02 20:03:22,646 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:03:22,647 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:03:22,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:03:22,647 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2022-11-02 20:03:22,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:03:22,648 INFO L85 PathProgramCache]: Analyzing trace with hash -154212185, now seen corresponding path program 1 times [2022-11-02 20:03:22,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:03:22,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958336146] [2022-11-02 20:03:22,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:03:22,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:03:22,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:03:22,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:03:22,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:03:22,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958336146] [2022-11-02 20:03:22,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958336146] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:03:22,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:03:22,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:03:22,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477954613] [2022-11-02 20:03:22,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:03:22,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:03:22,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:03:22,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:03:22,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:03:22,930 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 1701 out of 1757 [2022-11-02 20:03:22,938 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1616 places, 1683 transitions, 3376 flow. Second operand has 3 states, 3 states have (on average 1702.3333333333333) internal successors, (5107), 3 states have internal predecessors, (5107), 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) [2022-11-02 20:03:22,938 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:03:22,939 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1701 of 1757 [2022-11-02 20:03:22,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:03:25,213 INFO L130 PetriNetUnfolder]: 140/2665 cut-off events. [2022-11-02 20:03:25,213 INFO L131 PetriNetUnfolder]: For 26/28 co-relation queries the response was YES. [2022-11-02 20:03:25,345 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2767 conditions, 2665 events. 140/2665 cut-off events. For 26/28 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 16873 event pairs, 39 based on Foata normal form. 0/2188 useless extension candidates. Maximal degree in co-relation 2690. Up to 90 conditions per place. [2022-11-02 20:03:25,402 INFO L137 encePairwiseOnDemand]: 1754/1757 looper letters, 15 selfloop transitions, 2 changer transitions 0/1682 dead transitions. [2022-11-02 20:03:25,402 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1617 places, 1682 transitions, 3408 flow [2022-11-02 20:03:25,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:03:25,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:03:25,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5121 transitions. [2022-11-02 20:03:25,414 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9715424018212863 [2022-11-02 20:03:25,415 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5121 transitions. [2022-11-02 20:03:25,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5121 transitions. [2022-11-02 20:03:25,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:03:25,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5121 transitions. [2022-11-02 20:03:25,433 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1707.0) internal successors, (5121), 3 states have internal predecessors, (5121), 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) [2022-11-02 20:03:25,446 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1757.0) internal successors, (7028), 4 states have internal predecessors, (7028), 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) [2022-11-02 20:03:25,449 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1757.0) internal successors, (7028), 4 states have internal predecessors, (7028), 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) [2022-11-02 20:03:25,450 INFO L175 Difference]: Start difference. First operand has 1616 places, 1683 transitions, 3376 flow. Second operand 3 states and 5121 transitions. [2022-11-02 20:03:25,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1617 places, 1682 transitions, 3408 flow [2022-11-02 20:03:25,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1615 places, 1682 transitions, 3404 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:03:25,488 INFO L231 Difference]: Finished difference. Result has 1615 places, 1682 transitions, 3374 flow [2022-11-02 20:03:25,491 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=1757, PETRI_DIFFERENCE_MINUEND_FLOW=3370, PETRI_DIFFERENCE_MINUEND_PLACES=1613, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1682, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1680, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3374, PETRI_PLACES=1615, PETRI_TRANSITIONS=1682} [2022-11-02 20:03:25,492 INFO L287 CegarLoopForPetriNet]: 1631 programPoint places, -16 predicate places. [2022-11-02 20:03:25,492 INFO L495 AbstractCegarLoop]: Abstraction has has 1615 places, 1682 transitions, 3374 flow [2022-11-02 20:03:25,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1702.3333333333333) internal successors, (5107), 3 states have internal predecessors, (5107), 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) [2022-11-02 20:03:25,495 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:03:25,495 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:03:25,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:03:25,495 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2022-11-02 20:03:25,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:03:25,496 INFO L85 PathProgramCache]: Analyzing trace with hash -353115619, now seen corresponding path program 1 times [2022-11-02 20:03:25,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:03:25,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065504376] [2022-11-02 20:03:25,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:03:25,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:03:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:03:25,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:03:25,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:03:25,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065504376] [2022-11-02 20:03:25,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065504376] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:03:25,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:03:25,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:03:25,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89781185] [2022-11-02 20:03:25,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:03:25,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:03:25,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:03:25,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:03:25,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:03:25,621 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 1677 out of 1757 [2022-11-02 20:03:25,628 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1615 places, 1682 transitions, 3374 flow. Second operand has 3 states, 3 states have (on average 1678.3333333333333) internal successors, (5035), 3 states have internal predecessors, (5035), 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) [2022-11-02 20:03:25,631 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:03:25,631 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1677 of 1757 [2022-11-02 20:03:25,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:03:29,630 INFO L130 PetriNetUnfolder]: 349/5993 cut-off events. [2022-11-02 20:03:29,630 INFO L131 PetriNetUnfolder]: For 3/9 co-relation queries the response was YES. [2022-11-02 20:03:29,915 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6210 conditions, 5993 events. 349/5993 cut-off events. For 3/9 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 49271 event pairs, 54 based on Foata normal form. 0/4732 useless extension candidates. Maximal degree in co-relation 6126. Up to 154 conditions per place. [2022-11-02 20:03:30,037 INFO L137 encePairwiseOnDemand]: 1754/1757 looper letters, 39 selfloop transitions, 2 changer transitions 0/1681 dead transitions. [2022-11-02 20:03:30,037 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1616 places, 1681 transitions, 3454 flow [2022-11-02 20:03:30,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:03:30,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:03:30,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5073 transitions. [2022-11-02 20:03:30,052 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9624359704040979 [2022-11-02 20:03:30,053 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5073 transitions. [2022-11-02 20:03:30,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5073 transitions. [2022-11-02 20:03:30,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:03:30,057 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5073 transitions. [2022-11-02 20:03:30,068 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1691.0) internal successors, (5073), 3 states have internal predecessors, (5073), 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) [2022-11-02 20:03:30,081 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1757.0) internal successors, (7028), 4 states have internal predecessors, (7028), 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) [2022-11-02 20:03:30,084 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1757.0) internal successors, (7028), 4 states have internal predecessors, (7028), 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) [2022-11-02 20:03:30,084 INFO L175 Difference]: Start difference. First operand has 1615 places, 1682 transitions, 3374 flow. Second operand 3 states and 5073 transitions. [2022-11-02 20:03:30,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1616 places, 1681 transitions, 3454 flow [2022-11-02 20:03:30,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1614 places, 1681 transitions, 3450 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:03:30,376 INFO L231 Difference]: Finished difference. Result has 1614 places, 1681 transitions, 3372 flow [2022-11-02 20:03:30,378 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=1757, PETRI_DIFFERENCE_MINUEND_FLOW=3368, PETRI_DIFFERENCE_MINUEND_PLACES=1612, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1681, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1679, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3372, PETRI_PLACES=1614, PETRI_TRANSITIONS=1681} [2022-11-02 20:03:30,379 INFO L287 CegarLoopForPetriNet]: 1631 programPoint places, -17 predicate places. [2022-11-02 20:03:30,379 INFO L495 AbstractCegarLoop]: Abstraction has has 1614 places, 1681 transitions, 3372 flow [2022-11-02 20:03:30,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1678.3333333333333) internal successors, (5035), 3 states have internal predecessors, (5035), 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) [2022-11-02 20:03:30,382 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:03:30,382 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:03:30,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 20:03:30,383 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2022-11-02 20:03:30,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:03:30,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1165525904, now seen corresponding path program 1 times [2022-11-02 20:03:30,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:03:30,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79675583] [2022-11-02 20:03:30,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:03:30,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:03:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:03:30,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:03:30,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:03:30,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79675583] [2022-11-02 20:03:30,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79675583] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:03:30,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:03:30,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:03:30,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996385232] [2022-11-02 20:03:30,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:03:30,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:03:30,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:03:30,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:03:30,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:03:30,525 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 1662 out of 1757 [2022-11-02 20:03:30,532 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1614 places, 1681 transitions, 3372 flow. Second operand has 3 states, 3 states have (on average 1663.3333333333333) internal successors, (4990), 3 states have internal predecessors, (4990), 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) [2022-11-02 20:03:30,532 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:03:30,533 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1662 of 1757 [2022-11-02 20:03:30,533 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:03:33,027 INFO L130 PetriNetUnfolder]: 242/3331 cut-off events. [2022-11-02 20:03:33,028 INFO L131 PetriNetUnfolder]: For 4/6 co-relation queries the response was YES. [2022-11-02 20:03:33,179 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3666 conditions, 3331 events. 242/3331 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 23106 event pairs, 90 based on Foata normal form. 0/2666 useless extension candidates. Maximal degree in co-relation 3575. Up to 236 conditions per place. [2022-11-02 20:03:33,248 INFO L137 encePairwiseOnDemand]: 1754/1757 looper letters, 54 selfloop transitions, 2 changer transitions 0/1680 dead transitions. [2022-11-02 20:03:33,248 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1615 places, 1680 transitions, 3482 flow [2022-11-02 20:03:33,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:03:33,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:03:33,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5043 transitions. [2022-11-02 20:03:33,262 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9567444507683551 [2022-11-02 20:03:33,262 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5043 transitions. [2022-11-02 20:03:33,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5043 transitions. [2022-11-02 20:03:33,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:03:33,265 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5043 transitions. [2022-11-02 20:03:33,274 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1681.0) internal successors, (5043), 3 states have internal predecessors, (5043), 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) [2022-11-02 20:03:33,286 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1757.0) internal successors, (7028), 4 states have internal predecessors, (7028), 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) [2022-11-02 20:03:33,288 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1757.0) internal successors, (7028), 4 states have internal predecessors, (7028), 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) [2022-11-02 20:03:33,288 INFO L175 Difference]: Start difference. First operand has 1614 places, 1681 transitions, 3372 flow. Second operand 3 states and 5043 transitions. [2022-11-02 20:03:33,288 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1615 places, 1680 transitions, 3482 flow [2022-11-02 20:03:33,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1613 places, 1680 transitions, 3478 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:03:33,327 INFO L231 Difference]: Finished difference. Result has 1613 places, 1680 transitions, 3370 flow [2022-11-02 20:03:33,330 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=1757, PETRI_DIFFERENCE_MINUEND_FLOW=3366, PETRI_DIFFERENCE_MINUEND_PLACES=1611, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1680, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1678, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3370, PETRI_PLACES=1613, PETRI_TRANSITIONS=1680} [2022-11-02 20:03:33,331 INFO L287 CegarLoopForPetriNet]: 1631 programPoint places, -18 predicate places. [2022-11-02 20:03:33,331 INFO L495 AbstractCegarLoop]: Abstraction has has 1613 places, 1680 transitions, 3370 flow [2022-11-02 20:03:33,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1663.3333333333333) internal successors, (4990), 3 states have internal predecessors, (4990), 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) [2022-11-02 20:03:33,333 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:03:33,333 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:03:33,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 20:03:33,334 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2022-11-02 20:03:33,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:03:33,334 INFO L85 PathProgramCache]: Analyzing trace with hash 902807769, now seen corresponding path program 1 times [2022-11-02 20:03:33,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:03:33,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097924825] [2022-11-02 20:03:33,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:03:33,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:03:33,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:03:33,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:03:33,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:03:33,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097924825] [2022-11-02 20:03:33,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097924825] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:03:33,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:03:33,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:03:33,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570985780] [2022-11-02 20:03:33,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:03:33,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:03:33,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:03:33,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:03:33,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:03:33,391 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 1677 out of 1757 [2022-11-02 20:03:33,396 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1613 places, 1680 transitions, 3370 flow. Second operand has 3 states, 3 states have (on average 1678.3333333333333) internal successors, (5035), 3 states have internal predecessors, (5035), 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) [2022-11-02 20:03:33,397 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:03:33,397 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1677 of 1757 [2022-11-02 20:03:33,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:03:36,763 INFO L130 PetriNetUnfolder]: 257/4235 cut-off events. [2022-11-02 20:03:36,763 INFO L131 PetriNetUnfolder]: For 30/35 co-relation queries the response was YES. [2022-11-02 20:03:37,017 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4425 conditions, 4235 events. 257/4235 cut-off events. For 30/35 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 31323 event pairs, 54 based on Foata normal form. 0/3359 useless extension candidates. Maximal degree in co-relation 4327. Up to 154 conditions per place. [2022-11-02 20:03:37,127 INFO L137 encePairwiseOnDemand]: 1754/1757 looper letters, 39 selfloop transitions, 2 changer transitions 0/1679 dead transitions. [2022-11-02 20:03:37,127 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1614 places, 1679 transitions, 3450 flow [2022-11-02 20:03:37,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:03:37,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:03:37,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5073 transitions. [2022-11-02 20:03:37,136 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9624359704040979 [2022-11-02 20:03:37,137 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5073 transitions. [2022-11-02 20:03:37,137 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5073 transitions. [2022-11-02 20:03:37,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:03:37,139 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5073 transitions. [2022-11-02 20:03:37,149 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1691.0) internal successors, (5073), 3 states have internal predecessors, (5073), 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) [2022-11-02 20:03:37,158 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1757.0) internal successors, (7028), 4 states have internal predecessors, (7028), 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) [2022-11-02 20:03:37,160 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1757.0) internal successors, (7028), 4 states have internal predecessors, (7028), 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) [2022-11-02 20:03:37,160 INFO L175 Difference]: Start difference. First operand has 1613 places, 1680 transitions, 3370 flow. Second operand 3 states and 5073 transitions. [2022-11-02 20:03:37,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1614 places, 1679 transitions, 3450 flow [2022-11-02 20:03:37,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1612 places, 1679 transitions, 3446 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:03:37,198 INFO L231 Difference]: Finished difference. Result has 1612 places, 1679 transitions, 3368 flow [2022-11-02 20:03:37,202 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=1757, PETRI_DIFFERENCE_MINUEND_FLOW=3364, PETRI_DIFFERENCE_MINUEND_PLACES=1610, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1679, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1677, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3368, PETRI_PLACES=1612, PETRI_TRANSITIONS=1679} [2022-11-02 20:03:37,203 INFO L287 CegarLoopForPetriNet]: 1631 programPoint places, -19 predicate places. [2022-11-02 20:03:37,203 INFO L495 AbstractCegarLoop]: Abstraction has has 1612 places, 1679 transitions, 3368 flow [2022-11-02 20:03:37,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1678.3333333333333) internal successors, (5035), 3 states have internal predecessors, (5035), 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) [2022-11-02 20:03:37,204 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:03:37,204 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:03:37,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 20:03:37,205 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2022-11-02 20:03:37,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:03:37,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1204950775, now seen corresponding path program 1 times [2022-11-02 20:03:37,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:03:37,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749553790] [2022-11-02 20:03:37,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:03:37,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:03:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:03:37,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:03:37,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:03:37,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749553790] [2022-11-02 20:03:37,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749553790] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:03:37,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:03:37,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:03:37,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834880955] [2022-11-02 20:03:37,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:03:37,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:03:37,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:03:37,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:03:37,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:03:37,265 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 1662 out of 1757 [2022-11-02 20:03:37,271 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1612 places, 1679 transitions, 3368 flow. Second operand has 3 states, 3 states have (on average 1663.3333333333333) internal successors, (4990), 3 states have internal predecessors, (4990), 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) [2022-11-02 20:03:37,271 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:03:37,271 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1662 of 1757 [2022-11-02 20:03:37,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:03:40,232 INFO L130 PetriNetUnfolder]: 219/2890 cut-off events. [2022-11-02 20:03:40,233 INFO L131 PetriNetUnfolder]: For 49/57 co-relation queries the response was YES. [2022-11-02 20:03:40,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3180 conditions, 2890 events. 219/2890 cut-off events. For 49/57 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 20527 event pairs, 90 based on Foata normal form. 0/2324 useless extension candidates. Maximal degree in co-relation 3075. Up to 236 conditions per place. [2022-11-02 20:03:40,484 INFO L137 encePairwiseOnDemand]: 1754/1757 looper letters, 54 selfloop transitions, 2 changer transitions 0/1678 dead transitions. [2022-11-02 20:03:40,484 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1613 places, 1678 transitions, 3478 flow [2022-11-02 20:03:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:03:40,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:03:40,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5043 transitions. [2022-11-02 20:03:40,496 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9567444507683551 [2022-11-02 20:03:40,497 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5043 transitions. [2022-11-02 20:03:40,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5043 transitions. [2022-11-02 20:03:40,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:03:40,500 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5043 transitions. [2022-11-02 20:03:40,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1681.0) internal successors, (5043), 3 states have internal predecessors, (5043), 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) [2022-11-02 20:03:40,517 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1757.0) internal successors, (7028), 4 states have internal predecessors, (7028), 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) [2022-11-02 20:03:40,519 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1757.0) internal successors, (7028), 4 states have internal predecessors, (7028), 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) [2022-11-02 20:03:40,519 INFO L175 Difference]: Start difference. First operand has 1612 places, 1679 transitions, 3368 flow. Second operand 3 states and 5043 transitions. [2022-11-02 20:03:40,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1613 places, 1678 transitions, 3478 flow [2022-11-02 20:03:40,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1611 places, 1678 transitions, 3474 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:03:40,558 INFO L231 Difference]: Finished difference. Result has 1611 places, 1678 transitions, 3366 flow [2022-11-02 20:03:40,561 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=1757, PETRI_DIFFERENCE_MINUEND_FLOW=3362, PETRI_DIFFERENCE_MINUEND_PLACES=1609, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1678, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1676, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3366, PETRI_PLACES=1611, PETRI_TRANSITIONS=1678} [2022-11-02 20:03:40,562 INFO L287 CegarLoopForPetriNet]: 1631 programPoint places, -20 predicate places. [2022-11-02 20:03:40,562 INFO L495 AbstractCegarLoop]: Abstraction has has 1611 places, 1678 transitions, 3366 flow [2022-11-02 20:03:40,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1663.3333333333333) internal successors, (4990), 3 states have internal predecessors, (4990), 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) [2022-11-02 20:03:40,563 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:03:40,564 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:03:40,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 20:03:40,564 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2022-11-02 20:03:40,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:03:40,565 INFO L85 PathProgramCache]: Analyzing trace with hash -690707289, now seen corresponding path program 1 times [2022-11-02 20:03:40,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:03:40,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412342359] [2022-11-02 20:03:40,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:03:40,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:03:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:03:40,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:03:40,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:03:40,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412342359] [2022-11-02 20:03:40,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412342359] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:03:40,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:03:40,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:03:40,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414390521] [2022-11-02 20:03:40,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:03:40,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:03:40,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:03:40,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:03:40,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:03:40,638 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 1677 out of 1757 [2022-11-02 20:03:40,643 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1611 places, 1678 transitions, 3366 flow. Second operand has 3 states, 3 states have (on average 1678.3333333333333) internal successors, (5035), 3 states have internal predecessors, (5035), 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) [2022-11-02 20:03:40,644 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:03:40,644 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1677 of 1757 [2022-11-02 20:03:40,644 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:03:42,671 INFO L130 PetriNetUnfolder]: 165/2461 cut-off events. [2022-11-02 20:03:42,671 INFO L131 PetriNetUnfolder]: For 57/59 co-relation queries the response was YES. [2022-11-02 20:03:42,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2623 conditions, 2461 events. 165/2461 cut-off events. For 57/59 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 14425 event pairs, 54 based on Foata normal form. 0/1979 useless extension candidates. Maximal degree in co-relation 2511. Up to 153 conditions per place. [2022-11-02 20:03:42,823 INFO L137 encePairwiseOnDemand]: 1754/1757 looper letters, 38 selfloop transitions, 2 changer transitions 0/1677 dead transitions. [2022-11-02 20:03:42,823 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1612 places, 1677 transitions, 3444 flow [2022-11-02 20:03:42,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:03:42,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:03:42,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5072 transitions. [2022-11-02 20:03:42,835 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9622462530829065 [2022-11-02 20:03:42,835 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5072 transitions. [2022-11-02 20:03:42,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5072 transitions. [2022-11-02 20:03:42,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:03:42,837 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5072 transitions. [2022-11-02 20:03:42,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1690.6666666666667) internal successors, (5072), 3 states have internal predecessors, (5072), 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) [2022-11-02 20:03:42,853 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1757.0) internal successors, (7028), 4 states have internal predecessors, (7028), 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) [2022-11-02 20:03:42,855 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1757.0) internal successors, (7028), 4 states have internal predecessors, (7028), 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) [2022-11-02 20:03:42,856 INFO L175 Difference]: Start difference. First operand has 1611 places, 1678 transitions, 3366 flow. Second operand 3 states and 5072 transitions. [2022-11-02 20:03:42,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1612 places, 1677 transitions, 3444 flow [2022-11-02 20:03:42,868 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1610 places, 1677 transitions, 3440 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:03:42,892 INFO L231 Difference]: Finished difference. Result has 1610 places, 1677 transitions, 3364 flow [2022-11-02 20:03:42,894 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=1757, PETRI_DIFFERENCE_MINUEND_FLOW=3360, PETRI_DIFFERENCE_MINUEND_PLACES=1608, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1677, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1675, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3364, PETRI_PLACES=1610, PETRI_TRANSITIONS=1677} [2022-11-02 20:03:42,895 INFO L287 CegarLoopForPetriNet]: 1631 programPoint places, -21 predicate places. [2022-11-02 20:03:42,895 INFO L495 AbstractCegarLoop]: Abstraction has has 1610 places, 1677 transitions, 3364 flow [2022-11-02 20:03:42,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1678.3333333333333) internal successors, (5035), 3 states have internal predecessors, (5035), 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) [2022-11-02 20:03:42,897 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:03:42,897 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:03:42,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-02 20:03:42,897 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2022-11-02 20:03:42,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:03:42,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1492992374, now seen corresponding path program 1 times [2022-11-02 20:03:42,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:03:42,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378622048] [2022-11-02 20:03:42,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:03:42,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:03:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:03:42,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:03:42,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:03:42,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378622048] [2022-11-02 20:03:42,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378622048] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:03:42,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:03:42,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:03:42,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337696789] [2022-11-02 20:03:42,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:03:42,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:03:42,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:03:42,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:03:42,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:03:42,958 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 1662 out of 1757 [2022-11-02 20:03:42,963 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1610 places, 1677 transitions, 3364 flow. Second operand has 3 states, 3 states have (on average 1663.3333333333333) internal successors, (4990), 3 states have internal predecessors, (4990), 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) [2022-11-02 20:03:42,964 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:03:42,964 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1662 of 1757 [2022-11-02 20:03:42,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:03:44,980 INFO L130 PetriNetUnfolder]: 196/2429 cut-off events. [2022-11-02 20:03:44,981 INFO L131 PetriNetUnfolder]: For 94/96 co-relation queries the response was YES. [2022-11-02 20:03:45,127 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2674 conditions, 2429 events. 196/2429 cut-off events. For 94/96 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 16925 event pairs, 90 based on Foata normal form. 0/1964 useless extension candidates. Maximal degree in co-relation 2555. Up to 236 conditions per place. [2022-11-02 20:03:45,180 INFO L137 encePairwiseOnDemand]: 1754/1757 looper letters, 54 selfloop transitions, 2 changer transitions 0/1676 dead transitions. [2022-11-02 20:03:45,180 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1611 places, 1676 transitions, 3474 flow [2022-11-02 20:03:45,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:03:45,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:03:45,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5043 transitions. [2022-11-02 20:03:45,190 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9567444507683551 [2022-11-02 20:03:45,190 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5043 transitions. [2022-11-02 20:03:45,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5043 transitions. [2022-11-02 20:03:45,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:03:45,192 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5043 transitions. [2022-11-02 20:03:45,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1681.0) internal successors, (5043), 3 states have internal predecessors, (5043), 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) [2022-11-02 20:03:45,208 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1757.0) internal successors, (7028), 4 states have internal predecessors, (7028), 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) [2022-11-02 20:03:45,210 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1757.0) internal successors, (7028), 4 states have internal predecessors, (7028), 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) [2022-11-02 20:03:45,210 INFO L175 Difference]: Start difference. First operand has 1610 places, 1677 transitions, 3364 flow. Second operand 3 states and 5043 transitions. [2022-11-02 20:03:45,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1611 places, 1676 transitions, 3474 flow [2022-11-02 20:03:45,224 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1609 places, 1676 transitions, 3470 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:03:45,250 INFO L231 Difference]: Finished difference. Result has 1609 places, 1676 transitions, 3362 flow [2022-11-02 20:03:45,252 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=1757, PETRI_DIFFERENCE_MINUEND_FLOW=3358, PETRI_DIFFERENCE_MINUEND_PLACES=1607, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1676, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1674, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3362, PETRI_PLACES=1609, PETRI_TRANSITIONS=1676} [2022-11-02 20:03:45,253 INFO L287 CegarLoopForPetriNet]: 1631 programPoint places, -22 predicate places. [2022-11-02 20:03:45,253 INFO L495 AbstractCegarLoop]: Abstraction has has 1609 places, 1676 transitions, 3362 flow [2022-11-02 20:03:45,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1663.3333333333333) internal successors, (4990), 3 states have internal predecessors, (4990), 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) [2022-11-02 20:03:45,255 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:03:45,255 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:03:45,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-02 20:03:45,255 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2022-11-02 20:03:45,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:03:45,256 INFO L85 PathProgramCache]: Analyzing trace with hash -2086153921, now seen corresponding path program 1 times [2022-11-02 20:03:45,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:03:45,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795433679] [2022-11-02 20:03:45,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:03:45,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:03:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:03:45,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:03:45,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:03:45,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795433679] [2022-11-02 20:03:45,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795433679] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:03:45,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:03:45,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:03:45,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173945666] [2022-11-02 20:03:45,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:03:45,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:03:45,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:03:45,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:03:45,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:03:45,336 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 1683 out of 1757 [2022-11-02 20:03:45,352 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1609 places, 1676 transitions, 3362 flow. Second operand has 3 states, 3 states have (on average 1684.3333333333333) internal successors, (5053), 3 states have internal predecessors, (5053), 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) [2022-11-02 20:03:45,352 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:03:45,352 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1683 of 1757 [2022-11-02 20:03:45,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:03:53,126 INFO L130 PetriNetUnfolder]: 661/9322 cut-off events. [2022-11-02 20:03:53,126 INFO L131 PetriNetUnfolder]: For 37/37 co-relation queries the response was YES. [2022-11-02 20:03:54,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9783 conditions, 9322 events. 661/9322 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 91947 event pairs, 192 based on Foata normal form. 0/7323 useless extension candidates. Maximal degree in co-relation 9657. Up to 428 conditions per place. [2022-11-02 20:03:54,731 INFO L137 encePairwiseOnDemand]: 1754/1757 looper letters, 33 selfloop transitions, 2 changer transitions 0/1675 dead transitions. [2022-11-02 20:03:54,731 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1610 places, 1675 transitions, 3430 flow [2022-11-02 20:03:54,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:03:54,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:03:54,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5085 transitions. [2022-11-02 20:03:54,738 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.964712578258395 [2022-11-02 20:03:54,738 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 5085 transitions. [2022-11-02 20:03:54,739 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 5085 transitions. [2022-11-02 20:03:54,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:03:54,740 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 5085 transitions. [2022-11-02 20:03:54,746 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1695.0) internal successors, (5085), 3 states have internal predecessors, (5085), 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) [2022-11-02 20:03:54,753 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1757.0) internal successors, (7028), 4 states have internal predecessors, (7028), 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) [2022-11-02 20:03:54,755 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1757.0) internal successors, (7028), 4 states have internal predecessors, (7028), 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) [2022-11-02 20:03:54,755 INFO L175 Difference]: Start difference. First operand has 1609 places, 1676 transitions, 3362 flow. Second operand 3 states and 5085 transitions. [2022-11-02 20:03:54,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1610 places, 1675 transitions, 3430 flow [2022-11-02 20:03:54,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1608 places, 1675 transitions, 3426 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 20:03:54,791 INFO L231 Difference]: Finished difference. Result has 1608 places, 1675 transitions, 3360 flow [2022-11-02 20:03:54,793 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=1757, PETRI_DIFFERENCE_MINUEND_FLOW=3356, PETRI_DIFFERENCE_MINUEND_PLACES=1606, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1675, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1673, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3360, PETRI_PLACES=1608, PETRI_TRANSITIONS=1675} [2022-11-02 20:03:54,794 INFO L287 CegarLoopForPetriNet]: 1631 programPoint places, -23 predicate places. [2022-11-02 20:03:54,794 INFO L495 AbstractCegarLoop]: Abstraction has has 1608 places, 1675 transitions, 3360 flow [2022-11-02 20:03:54,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1684.3333333333333) internal successors, (5053), 3 states have internal predecessors, (5053), 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) [2022-11-02 20:03:54,796 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:03:54,796 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:03:54,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-02 20:03:54,796 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 425 more)] === [2022-11-02 20:03:54,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:03:54,797 INFO L85 PathProgramCache]: Analyzing trace with hash 463280671, now seen corresponding path program 1 times [2022-11-02 20:03:54,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:03:54,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302863900] [2022-11-02 20:03:54,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:03:54,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:03:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:03:54,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:03:54,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:03:54,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302863900] [2022-11-02 20:03:54,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302863900] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:03:54,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:03:54,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:03:54,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520237630] [2022-11-02 20:03:54,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:03:54,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:03:54,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:03:54,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:03:54,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:03:54,867 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 1683 out of 1757 [2022-11-02 20:03:54,872 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1608 places, 1675 transitions, 3360 flow. Second operand has 3 states, 3 states have (on average 1684.3333333333333) internal successors, (5053), 3 states have internal predecessors, (5053), 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) [2022-11-02 20:03:54,872 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:03:54,872 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1683 of 1757 [2022-11-02 20:03:54,872 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:03:57,689 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([5328] thread1EXIT-->L159-7: Formula: (and (= 0 v_thread1Thread1of1ForFork2_thidvar1_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem184#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread1Thread1of1ForFork2_thidvar0_4)) InVars {thread1Thread1of1ForFork2_thidvar1=v_thread1Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_#t~mem184#1=|v_ULTIMATE.start_main_#t~mem184#1_5|, thread1Thread1of1ForFork2_thidvar0=v_thread1Thread1of1ForFork2_thidvar0_4} OutVars{thread1Thread1of1ForFork2_thidvar1=v_thread1Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_#t~mem184#1=|v_ULTIMATE.start_main_#t~mem184#1_5|, thread1Thread1of1ForFork2_thidvar0=v_thread1Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][596], [1386#thread3ENTRYtrue, 1707#true, 892#thread2Err59ASSERT_VIOLATIONDATA_RACEtrue, 1088#L159-7true, 1711#true]) [2022-11-02 20:03:57,689 INFO L383 tUnfolder$Statistics]: this new event has 329 ancestors and is cut-off event [2022-11-02 20:03:57,689 INFO L386 tUnfolder$Statistics]: existing Event has 320 ancestors and is cut-off event [2022-11-02 20:03:57,689 INFO L386 tUnfolder$Statistics]: existing Event has 323 ancestors and is cut-off event [2022-11-02 20:03:57,689 INFO L386 tUnfolder$Statistics]: existing Event has 323 ancestors and is cut-off event [2022-11-02 20:03:57,690 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([5328] thread1EXIT-->L159-7: Formula: (and (= 0 v_thread1Thread1of1ForFork2_thidvar1_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem184#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread1Thread1of1ForFork2_thidvar0_4)) InVars {thread1Thread1of1ForFork2_thidvar1=v_thread1Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_#t~mem184#1=|v_ULTIMATE.start_main_#t~mem184#1_5|, thread1Thread1of1ForFork2_thidvar0=v_thread1Thread1of1ForFork2_thidvar0_4} OutVars{thread1Thread1of1ForFork2_thidvar1=v_thread1Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_#t~mem184#1=|v_ULTIMATE.start_main_#t~mem184#1_5|, thread1Thread1of1ForFork2_thidvar0=v_thread1Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][596], [1386#thread3ENTRYtrue, 1332#L96-2true, 1707#true, 1088#L159-7true, 1711#true]) [2022-11-02 20:03:57,690 INFO L383 tUnfolder$Statistics]: this new event has 329 ancestors and is cut-off event [2022-11-02 20:03:57,691 INFO L386 tUnfolder$Statistics]: existing Event has 323 ancestors and is cut-off event [2022-11-02 20:03:57,691 INFO L386 tUnfolder$Statistics]: existing Event has 323 ancestors and is cut-off event [2022-11-02 20:03:57,691 INFO L386 tUnfolder$Statistics]: existing Event has 320 ancestors and is cut-off event [2022-11-02 20:03:58,218 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([5328] thread1EXIT-->L159-7: Formula: (and (= 0 v_thread1Thread1of1ForFork2_thidvar1_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem184#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread1Thread1of1ForFork2_thidvar0_4)) InVars {thread1Thread1of1ForFork2_thidvar1=v_thread1Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_#t~mem184#1=|v_ULTIMATE.start_main_#t~mem184#1_5|, thread1Thread1of1ForFork2_thidvar0=v_thread1Thread1of1ForFork2_thidvar0_4} OutVars{thread1Thread1of1ForFork2_thidvar1=v_thread1Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_#t~mem184#1=|v_ULTIMATE.start_main_#t~mem184#1_5|, thread1Thread1of1ForFork2_thidvar0=v_thread1Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][596], [1424#L96-12true, 1386#thread3ENTRYtrue, 1707#true, 1088#L159-7true, 1711#true]) [2022-11-02 20:03:58,218 INFO L383 tUnfolder$Statistics]: this new event has 333 ancestors and is cut-off event [2022-11-02 20:03:58,218 INFO L386 tUnfolder$Statistics]: existing Event has 324 ancestors and is cut-off event [2022-11-02 20:03:58,218 INFO L386 tUnfolder$Statistics]: existing Event has 327 ancestors and is cut-off event [2022-11-02 20:03:58,218 INFO L386 tUnfolder$Statistics]: existing Event has 327 ancestors and is cut-off event [2022-11-02 20:03:58,219 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([5328] thread1EXIT-->L159-7: Formula: (and (= 0 v_thread1Thread1of1ForFork2_thidvar1_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem184#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread1Thread1of1ForFork2_thidvar0_4)) InVars {thread1Thread1of1ForFork2_thidvar1=v_thread1Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_#t~mem184#1=|v_ULTIMATE.start_main_#t~mem184#1_5|, thread1Thread1of1ForFork2_thidvar0=v_thread1Thread1of1ForFork2_thidvar0_4} OutVars{thread1Thread1of1ForFork2_thidvar1=v_thread1Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_#t~mem184#1=|v_ULTIMATE.start_main_#t~mem184#1_5|, thread1Thread1of1ForFork2_thidvar0=v_thread1Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][596], [1367#thread2Err61ASSERT_VIOLATIONDATA_RACEtrue, 1386#thread3ENTRYtrue, 1707#true, 1088#L159-7true, 1711#true]) [2022-11-02 20:03:58,219 INFO L383 tUnfolder$Statistics]: this new event has 334 ancestors and is cut-off event [2022-11-02 20:03:58,219 INFO L386 tUnfolder$Statistics]: existing Event has 328 ancestors and is cut-off event [2022-11-02 20:03:58,219 INFO L386 tUnfolder$Statistics]: existing Event has 328 ancestors and is cut-off event [2022-11-02 20:03:58,219 INFO L386 tUnfolder$Statistics]: existing Event has 325 ancestors and is cut-off event [2022-11-02 20:03:58,220 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([5328] thread1EXIT-->L159-7: Formula: (and (= 0 v_thread1Thread1of1ForFork2_thidvar1_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem184#1_5| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ .cse0 (- 4294967296)))) v_thread1Thread1of1ForFork2_thidvar0_4)) InVars {thread1Thread1of1ForFork2_thidvar1=v_thread1Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_#t~mem184#1=|v_ULTIMATE.start_main_#t~mem184#1_5|, thread1Thread1of1ForFork2_thidvar0=v_thread1Thread1of1ForFork2_thidvar0_4} OutVars{thread1Thread1of1ForFork2_thidvar1=v_thread1Thread1of1ForFork2_thidvar1_4, ULTIMATE.start_main_#t~mem184#1=|v_ULTIMATE.start_main_#t~mem184#1_5|, thread1Thread1of1ForFork2_thidvar0=v_thread1Thread1of1ForFork2_thidvar0_4} AuxVars[] AssignedVars[][596], [1386#thread3ENTRYtrue, 1707#true, 832#L96-13true, 1088#L159-7true, 1711#true]) [2022-11-02 20:03:58,220 INFO L383 tUnfolder$Statistics]: this new event has 334 ancestors and is cut-off event [2022-11-02 20:03:58,220 INFO L386 tUnfolder$Statistics]: existing Event has 325 ancestors and is cut-off event [2022-11-02 20:03:58,220 INFO L386 tUnfolder$Statistics]: existing Event has 328 ancestors and is cut-off event [2022-11-02 20:03:58,220 INFO L386 tUnfolder$Statistics]: existing Event has 328 ancestors and is cut-off event