./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028af7a2-1523-4adc-a20d-68a9c042028c/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028af7a2-1523-4adc-a20d-68a9c042028c/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028af7a2-1523-4adc-a20d-68a9c042028c/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028af7a2-1523-4adc-a20d-68a9c042028c/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028af7a2-1523-4adc-a20d-68a9c042028c/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028af7a2-1523-4adc-a20d-68a9c042028c/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 846c6ea342419c7ea85c72de8af40f1cf8af72c22131b8a3f2ebdacec113c699 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 18:20:16,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:20:16,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:20:16,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:20:16,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:20:16,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:20:16,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:20:16,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:20:16,368 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:20:16,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:20:16,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:20:16,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:20:16,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:20:16,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:20:16,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:20:16,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:20:16,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:20:16,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:20:16,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:20:16,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:20:16,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:20:16,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:20:16,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:20:16,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:20:16,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:20:16,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:20:16,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:20:16,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:20:16,382 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:20:16,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:20:16,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:20:16,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:20:16,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:20:16,384 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:20:16,385 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:20:16,385 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:20:16,385 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:20:16,385 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:20:16,386 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:20:16,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:20:16,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:20:16,387 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028af7a2-1523-4adc-a20d-68a9c042028c/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 18:20:16,402 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:20:16,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:20:16,402 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:20:16,402 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:20:16,403 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:20:16,403 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:20:16,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:20:16,403 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:20:16,404 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:20:16,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:20:16,404 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 18:20:16,404 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:20:16,404 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:20:16,404 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 18:20:16,404 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:20:16,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:20:16,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:20:16,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:20:16,404 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 18:20:16,405 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 18:20:16,405 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:20:16,405 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:20:16,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:20:16,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:20:16,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:20:16,405 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:20:16,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:20:16,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:20:16,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:20:16,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:20:16,406 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:20:16,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:20:16,406 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:20:16,406 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:20:16,406 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:20:16,406 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:20:16,406 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:20:16,406 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028af7a2-1523-4adc-a20d-68a9c042028c/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028af7a2-1523-4adc-a20d-68a9c042028c/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 846c6ea342419c7ea85c72de8af40f1cf8af72c22131b8a3f2ebdacec113c699 [2022-12-13 18:20:16,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:20:16,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:20:16,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:20:16,653 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:20:16,654 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:20:16,655 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028af7a2-1523-4adc-a20d-68a9c042028c/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c [2022-12-13 18:20:19,237 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:20:19,358 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:20:19,359 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028af7a2-1523-4adc-a20d-68a9c042028c/sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c [2022-12-13 18:20:19,363 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028af7a2-1523-4adc-a20d-68a9c042028c/bin/uautomizer-uyxdKDjOR8/data/56768f284/149f4b6423c54ee88263e86a5cf2f1d4/FLAG2ada1a63e [2022-12-13 18:20:19,374 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028af7a2-1523-4adc-a20d-68a9c042028c/bin/uautomizer-uyxdKDjOR8/data/56768f284/149f4b6423c54ee88263e86a5cf2f1d4 [2022-12-13 18:20:19,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:20:19,377 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:20:19,378 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:20:19,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:20:19,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:20:19,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:20:19" (1/1) ... [2022-12-13 18:20:19,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d2e0ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:19, skipping insertion in model container [2022-12-13 18:20:19,382 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:20:19" (1/1) ... [2022-12-13 18:20:19,387 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:20:19,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:20:19,523 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028af7a2-1523-4adc-a20d-68a9c042028c/sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c[2495,2508] [2022-12-13 18:20:19,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:20:19,533 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:20:19,551 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028af7a2-1523-4adc-a20d-68a9c042028c/sv-benchmarks/c/weaver/chl-file-item-symm.wvr.c[2495,2508] [2022-12-13 18:20:19,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:20:19,563 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:20:19,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:19 WrapperNode [2022-12-13 18:20:19,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:20:19,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:20:19,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:20:19,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:20:19,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:19" (1/1) ... [2022-12-13 18:20:19,577 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:19" (1/1) ... [2022-12-13 18:20:19,599 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 240 [2022-12-13 18:20:19,600 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:20:19,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:20:19,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:20:19,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:20:19,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:19" (1/1) ... [2022-12-13 18:20:19,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:19" (1/1) ... [2022-12-13 18:20:19,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:19" (1/1) ... [2022-12-13 18:20:19,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:19" (1/1) ... [2022-12-13 18:20:19,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:19" (1/1) ... [2022-12-13 18:20:19,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:19" (1/1) ... [2022-12-13 18:20:19,625 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:19" (1/1) ... [2022-12-13 18:20:19,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:19" (1/1) ... [2022-12-13 18:20:19,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:20:19,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:20:19,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:20:19,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:20:19,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:19" (1/1) ... [2022-12-13 18:20:19,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:20:19,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028af7a2-1523-4adc-a20d-68a9c042028c/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:20:19,659 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028af7a2-1523-4adc-a20d-68a9c042028c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:20:19,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028af7a2-1523-4adc-a20d-68a9c042028c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:20:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:20:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 18:20:19,688 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 18:20:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 18:20:19,688 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 18:20:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:20:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 18:20:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 18:20:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:20:19,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:20:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 18:20:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 18:20:19,690 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 18:20:19,782 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:20:19,784 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:20:20,114 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:20:20,125 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:20:20,125 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 18:20:20,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:20:20 BoogieIcfgContainer [2022-12-13 18:20:20,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:20:20,130 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:20:20,130 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:20:20,133 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:20:20,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:20:19" (1/3) ... [2022-12-13 18:20:20,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e3c0cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:20:20, skipping insertion in model container [2022-12-13 18:20:20,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:20:19" (2/3) ... [2022-12-13 18:20:20,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e3c0cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:20:20, skipping insertion in model container [2022-12-13 18:20:20,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:20:20" (3/3) ... [2022-12-13 18:20:20,136 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-file-item-symm.wvr.c [2022-12-13 18:20:20,145 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 18:20:20,164 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:20:20,165 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-12-13 18:20:20,165 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 18:20:20,240 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 18:20:20,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 311 places, 322 transitions, 660 flow [2022-12-13 18:20:20,344 INFO L130 PetriNetUnfolder]: 18/320 cut-off events. [2022-12-13 18:20:20,345 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 18:20:20,350 INFO L83 FinitePrefix]: Finished finitePrefix Result has 329 conditions, 320 events. 18/320 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 652 event pairs, 0 based on Foata normal form. 0/270 useless extension candidates. Maximal degree in co-relation 177. Up to 2 conditions per place. [2022-12-13 18:20:20,350 INFO L82 GeneralOperation]: Start removeDead. Operand has 311 places, 322 transitions, 660 flow [2022-12-13 18:20:20,355 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 290 places, 299 transitions, 610 flow [2022-12-13 18:20:20,358 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 18:20:20,365 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 290 places, 299 transitions, 610 flow [2022-12-13 18:20:20,367 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 290 places, 299 transitions, 610 flow [2022-12-13 18:20:20,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 290 places, 299 transitions, 610 flow [2022-12-13 18:20:20,419 INFO L130 PetriNetUnfolder]: 16/299 cut-off events. [2022-12-13 18:20:20,420 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 18:20:20,421 INFO L83 FinitePrefix]: Finished finitePrefix Result has 308 conditions, 299 events. 16/299 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 639 event pairs, 0 based on Foata normal form. 0/252 useless extension candidates. Maximal degree in co-relation 177. Up to 2 conditions per place. [2022-12-13 18:20:20,435 INFO L119 LiptonReduction]: Number of co-enabled transitions 17696 [2022-12-13 18:20:25,649 INFO L134 LiptonReduction]: Checked pairs total: 51916 [2022-12-13 18:20:25,650 INFO L136 LiptonReduction]: Total number of compositions: 324 [2022-12-13 18:20:25,663 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:20:25,669 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;@55b0f498, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:20:25,669 INFO L358 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2022-12-13 18:20:25,670 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 18:20:25,670 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 18:20:25,670 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:20:25,671 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 18:20:25,671 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-12-13 18:20:25,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:20:25,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1223, now seen corresponding path program 1 times [2022-12-13 18:20:25,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:20:25,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646017769] [2022-12-13 18:20:25,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:20:25,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:20:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:20:25,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:20:25,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:20:25,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646017769] [2022-12-13 18:20:25,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646017769] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:20:25,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:20:25,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 18:20:25,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057353496] [2022-12-13 18:20:25,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:20:25,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 18:20:25,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:20:25,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 18:20:25,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 18:20:25,780 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 646 [2022-12-13 18:20:25,782 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 79 transitions, 170 flow. Second operand has 2 states, 2 states have (on average 310.5) internal successors, (621), 2 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:25,782 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:20:25,782 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 646 [2022-12-13 18:20:25,783 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:20:25,898 INFO L130 PetriNetUnfolder]: 400/926 cut-off events. [2022-12-13 18:20:25,898 INFO L131 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2022-12-13 18:20:25,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1560 conditions, 926 events. 400/926 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 5802 event pairs, 240 based on Foata normal form. 21/727 useless extension candidates. Maximal degree in co-relation 1444. Up to 601 conditions per place. [2022-12-13 18:20:25,903 INFO L137 encePairwiseOnDemand]: 630/646 looper letters, 31 selfloop transitions, 0 changer transitions 1/63 dead transitions. [2022-12-13 18:20:25,903 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 63 transitions, 202 flow [2022-12-13 18:20:25,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 18:20:25,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 18:20:25,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 668 transitions. [2022-12-13 18:20:25,915 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5170278637770898 [2022-12-13 18:20:25,916 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 668 transitions. [2022-12-13 18:20:25,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 668 transitions. [2022-12-13 18:20:25,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:20:25,919 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 668 transitions. [2022-12-13 18:20:25,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 334.0) internal successors, (668), 2 states have internal predecessors, (668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:25,927 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 646.0) internal successors, (1938), 3 states have internal predecessors, (1938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:25,928 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 646.0) internal successors, (1938), 3 states have internal predecessors, (1938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:25,929 INFO L175 Difference]: Start difference. First operand has 77 places, 79 transitions, 170 flow. Second operand 2 states and 668 transitions. [2022-12-13 18:20:25,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 63 transitions, 202 flow [2022-12-13 18:20:25,932 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 63 transitions, 194 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 18:20:25,933 INFO L231 Difference]: Finished difference. Result has 59 places, 62 transitions, 127 flow [2022-12-13 18:20:25,934 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=646, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=127, PETRI_PLACES=59, PETRI_TRANSITIONS=62} [2022-12-13 18:20:25,937 INFO L288 CegarLoopForPetriNet]: 77 programPoint places, -18 predicate places. [2022-12-13 18:20:25,937 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 62 transitions, 127 flow [2022-12-13 18:20:25,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 310.5) internal successors, (621), 2 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:25,938 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:20:25,938 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 18:20:25,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:20:25,938 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-12-13 18:20:25,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:20:25,939 INFO L85 PathProgramCache]: Analyzing trace with hash 37596091, now seen corresponding path program 1 times [2022-12-13 18:20:25,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:20:25,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89954917] [2022-12-13 18:20:25,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:20:25,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:20:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:20:25,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:20:25,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:20:25,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89954917] [2022-12-13 18:20:25,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89954917] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:20:25,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:20:25,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:20:25,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731350846] [2022-12-13 18:20:25,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:20:25,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:20:25,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:20:25,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:20:25,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:20:26,004 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 646 [2022-12-13 18:20:26,005 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 62 transitions, 127 flow. Second operand has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:26,005 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:20:26,006 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 646 [2022-12-13 18:20:26,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:20:26,127 INFO L130 PetriNetUnfolder]: 470/1084 cut-off events. [2022-12-13 18:20:26,128 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-12-13 18:20:26,129 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1808 conditions, 1084 events. 470/1084 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 6636 event pairs, 160 based on Foata normal form. 0/843 useless extension candidates. Maximal degree in co-relation 1805. Up to 704 conditions per place. [2022-12-13 18:20:26,131 INFO L137 encePairwiseOnDemand]: 640/646 looper letters, 36 selfloop transitions, 3 changer transitions 0/65 dead transitions. [2022-12-13 18:20:26,131 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 65 transitions, 212 flow [2022-12-13 18:20:26,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:20:26,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 18:20:26,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 942 transitions. [2022-12-13 18:20:26,134 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.48606811145510836 [2022-12-13 18:20:26,135 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 942 transitions. [2022-12-13 18:20:26,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 942 transitions. [2022-12-13 18:20:26,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:20:26,135 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 942 transitions. [2022-12-13 18:20:26,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 314.0) internal successors, (942), 3 states have internal predecessors, (942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:26,139 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 646.0) internal successors, (2584), 4 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:26,140 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 646.0) internal successors, (2584), 4 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:26,140 INFO L175 Difference]: Start difference. First operand has 59 places, 62 transitions, 127 flow. Second operand 3 states and 942 transitions. [2022-12-13 18:20:26,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 65 transitions, 212 flow [2022-12-13 18:20:26,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 65 transitions, 212 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 18:20:26,142 INFO L231 Difference]: Finished difference. Result has 58 places, 62 transitions, 142 flow [2022-12-13 18:20:26,142 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=646, PETRI_DIFFERENCE_MINUEND_FLOW=121, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=142, PETRI_PLACES=58, PETRI_TRANSITIONS=62} [2022-12-13 18:20:26,142 INFO L288 CegarLoopForPetriNet]: 77 programPoint places, -19 predicate places. [2022-12-13 18:20:26,143 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 62 transitions, 142 flow [2022-12-13 18:20:26,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.3333333333333) internal successors, (904), 3 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:26,143 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:20:26,143 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 18:20:26,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 18:20:26,143 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-12-13 18:20:26,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:20:26,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1782409221, now seen corresponding path program 1 times [2022-12-13 18:20:26,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:20:26,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116747125] [2022-12-13 18:20:26,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:20:26,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:20:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:20:26,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:20:26,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:20:26,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116747125] [2022-12-13 18:20:26,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116747125] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:20:26,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:20:26,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:20:26,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011933087] [2022-12-13 18:20:26,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:20:26,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:20:26,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:20:26,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:20:26,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:20:26,189 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 646 [2022-12-13 18:20:26,191 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 62 transitions, 142 flow. Second operand has 3 states, 3 states have (on average 302.0) internal successors, (906), 3 states have internal predecessors, (906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:26,191 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:20:26,191 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 646 [2022-12-13 18:20:26,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:20:26,315 INFO L130 PetriNetUnfolder]: 531/1210 cut-off events. [2022-12-13 18:20:26,315 INFO L131 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2022-12-13 18:20:26,316 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2089 conditions, 1210 events. 531/1210 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 7495 event pairs, 180 based on Foata normal form. 0/929 useless extension candidates. Maximal degree in co-relation 2085. Up to 801 conditions per place. [2022-12-13 18:20:26,320 INFO L137 encePairwiseOnDemand]: 640/646 looper letters, 39 selfloop transitions, 3 changer transitions 0/65 dead transitions. [2022-12-13 18:20:26,320 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 65 transitions, 233 flow [2022-12-13 18:20:26,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:20:26,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 18:20:26,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 943 transitions. [2022-12-13 18:20:26,322 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.48658410732714136 [2022-12-13 18:20:26,322 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 943 transitions. [2022-12-13 18:20:26,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 943 transitions. [2022-12-13 18:20:26,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:20:26,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 943 transitions. [2022-12-13 18:20:26,324 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 314.3333333333333) internal successors, (943), 3 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:26,326 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 646.0) internal successors, (2584), 4 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:26,327 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 646.0) internal successors, (2584), 4 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:26,327 INFO L175 Difference]: Start difference. First operand has 58 places, 62 transitions, 142 flow. Second operand 3 states and 943 transitions. [2022-12-13 18:20:26,327 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 65 transitions, 233 flow [2022-12-13 18:20:26,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 65 transitions, 233 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 18:20:26,336 INFO L231 Difference]: Finished difference. Result has 58 places, 62 transitions, 157 flow [2022-12-13 18:20:26,336 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=646, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=157, PETRI_PLACES=58, PETRI_TRANSITIONS=62} [2022-12-13 18:20:26,337 INFO L288 CegarLoopForPetriNet]: 77 programPoint places, -19 predicate places. [2022-12-13 18:20:26,337 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 62 transitions, 157 flow [2022-12-13 18:20:26,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 302.0) internal successors, (906), 3 states have internal predecessors, (906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:26,337 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:20:26,337 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:20:26,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 18:20:26,338 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-12-13 18:20:26,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:20:26,338 INFO L85 PathProgramCache]: Analyzing trace with hash 294900415, now seen corresponding path program 1 times [2022-12-13 18:20:26,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:20:26,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316839123] [2022-12-13 18:20:26,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:20:26,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:20:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:20:26,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:20:26,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:20:26,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316839123] [2022-12-13 18:20:26,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316839123] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:20:26,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:20:26,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:20:26,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127407595] [2022-12-13 18:20:26,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:20:26,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:20:26,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:20:26,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:20:26,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:20:26,383 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 646 [2022-12-13 18:20:26,385 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 62 transitions, 157 flow. Second operand has 3 states, 3 states have (on average 301.6666666666667) internal successors, (905), 3 states have internal predecessors, (905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:26,385 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:20:26,385 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 646 [2022-12-13 18:20:26,385 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:20:26,516 INFO L130 PetriNetUnfolder]: 542/1191 cut-off events. [2022-12-13 18:20:26,516 INFO L131 PetriNetUnfolder]: For 64/64 co-relation queries the response was YES. [2022-12-13 18:20:26,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2196 conditions, 1191 events. 542/1191 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 7461 event pairs, 120 based on Foata normal form. 0/942 useless extension candidates. Maximal degree in co-relation 2191. Up to 626 conditions per place. [2022-12-13 18:20:26,521 INFO L137 encePairwiseOnDemand]: 640/646 looper letters, 52 selfloop transitions, 3 changer transitions 0/78 dead transitions. [2022-12-13 18:20:26,521 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 78 transitions, 309 flow [2022-12-13 18:20:26,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:20:26,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 18:20:26,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 954 transitions. [2022-12-13 18:20:26,523 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49226006191950467 [2022-12-13 18:20:26,523 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 954 transitions. [2022-12-13 18:20:26,523 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 954 transitions. [2022-12-13 18:20:26,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:20:26,524 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 954 transitions. [2022-12-13 18:20:26,525 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:26,527 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 646.0) internal successors, (2584), 4 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:26,528 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 646.0) internal successors, (2584), 4 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:26,528 INFO L175 Difference]: Start difference. First operand has 58 places, 62 transitions, 157 flow. Second operand 3 states and 954 transitions. [2022-12-13 18:20:26,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 78 transitions, 309 flow [2022-12-13 18:20:26,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 78 transitions, 309 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 18:20:26,530 INFO L231 Difference]: Finished difference. Result has 58 places, 62 transitions, 172 flow [2022-12-13 18:20:26,530 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=646, PETRI_DIFFERENCE_MINUEND_FLOW=151, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=172, PETRI_PLACES=58, PETRI_TRANSITIONS=62} [2022-12-13 18:20:26,530 INFO L288 CegarLoopForPetriNet]: 77 programPoint places, -19 predicate places. [2022-12-13 18:20:26,531 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 62 transitions, 172 flow [2022-12-13 18:20:26,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.6666666666667) internal successors, (905), 3 states have internal predecessors, (905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:26,531 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:20:26,531 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:20:26,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 18:20:26,531 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-12-13 18:20:26,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:20:26,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1073351973, now seen corresponding path program 1 times [2022-12-13 18:20:26,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:20:26,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814366172] [2022-12-13 18:20:26,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:20:26,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:20:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:20:26,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:20:26,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:20:26,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814366172] [2022-12-13 18:20:26,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814366172] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:20:26,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:20:26,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:20:26,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885897846] [2022-12-13 18:20:26,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:20:26,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:20:26,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:20:26,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:20:26,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:20:26,575 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 646 [2022-12-13 18:20:26,576 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 62 transitions, 172 flow. Second operand has 3 states, 3 states have (on average 304.3333333333333) internal successors, (913), 3 states have internal predecessors, (913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:26,576 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:20:26,576 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 646 [2022-12-13 18:20:26,576 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:20:26,699 INFO L130 PetriNetUnfolder]: 509/1086 cut-off events. [2022-12-13 18:20:26,699 INFO L131 PetriNetUnfolder]: For 112/112 co-relation queries the response was YES. [2022-12-13 18:20:26,700 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2158 conditions, 1086 events. 509/1086 cut-off events. For 112/112 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 6581 event pairs, 270 based on Foata normal form. 0/833 useless extension candidates. Maximal degree in co-relation 2152. Up to 620 conditions per place. [2022-12-13 18:20:26,703 INFO L137 encePairwiseOnDemand]: 639/646 looper letters, 39 selfloop transitions, 6 changer transitions 9/77 dead transitions. [2022-12-13 18:20:26,703 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 77 transitions, 320 flow [2022-12-13 18:20:26,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:20:26,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 18:20:26,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 953 transitions. [2022-12-13 18:20:26,706 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4917440660474716 [2022-12-13 18:20:26,706 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 953 transitions. [2022-12-13 18:20:26,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 953 transitions. [2022-12-13 18:20:26,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:20:26,707 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 953 transitions. [2022-12-13 18:20:26,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 317.6666666666667) internal successors, (953), 3 states have internal predecessors, (953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:26,712 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 646.0) internal successors, (2584), 4 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:26,714 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 646.0) internal successors, (2584), 4 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:26,714 INFO L175 Difference]: Start difference. First operand has 58 places, 62 transitions, 172 flow. Second operand 3 states and 953 transitions. [2022-12-13 18:20:26,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 77 transitions, 320 flow [2022-12-13 18:20:26,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 77 transitions, 320 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 18:20:26,717 INFO L231 Difference]: Finished difference. Result has 59 places, 61 transitions, 182 flow [2022-12-13 18:20:26,717 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=646, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=182, PETRI_PLACES=59, PETRI_TRANSITIONS=61} [2022-12-13 18:20:26,718 INFO L288 CegarLoopForPetriNet]: 77 programPoint places, -18 predicate places. [2022-12-13 18:20:26,718 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 61 transitions, 182 flow [2022-12-13 18:20:26,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 304.3333333333333) internal successors, (913), 3 states have internal predecessors, (913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:26,718 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:20:26,719 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:20:26,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 18:20:26,719 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-12-13 18:20:26,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:20:26,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1086064006, now seen corresponding path program 1 times [2022-12-13 18:20:26,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:20:26,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496764117] [2022-12-13 18:20:26,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:20:26,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:20:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:20:26,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:20:26,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:20:26,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496764117] [2022-12-13 18:20:26,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496764117] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:20:26,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:20:26,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:20:26,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845882927] [2022-12-13 18:20:26,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:20:26,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:20:26,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:20:26,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:20:26,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:20:26,763 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 300 out of 646 [2022-12-13 18:20:26,764 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 61 transitions, 182 flow. Second operand has 3 states, 3 states have (on average 302.6666666666667) internal successors, (908), 3 states have internal predecessors, (908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:26,765 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:20:26,765 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 300 of 646 [2022-12-13 18:20:26,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:20:26,922 INFO L130 PetriNetUnfolder]: 599/1180 cut-off events. [2022-12-13 18:20:26,922 INFO L131 PetriNetUnfolder]: For 188/188 co-relation queries the response was YES. [2022-12-13 18:20:26,924 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2579 conditions, 1180 events. 599/1180 cut-off events. For 188/188 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 6717 event pairs, 145 based on Foata normal form. 0/978 useless extension candidates. Maximal degree in co-relation 2572. Up to 683 conditions per place. [2022-12-13 18:20:26,926 INFO L137 encePairwiseOnDemand]: 640/646 looper letters, 57 selfloop transitions, 3 changer transitions 0/78 dead transitions. [2022-12-13 18:20:26,926 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 78 transitions, 355 flow [2022-12-13 18:20:26,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:20:26,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 18:20:26,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 956 transitions. [2022-12-13 18:20:26,929 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4932920536635707 [2022-12-13 18:20:26,929 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 956 transitions. [2022-12-13 18:20:26,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 956 transitions. [2022-12-13 18:20:26,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:20:26,929 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 956 transitions. [2022-12-13 18:20:26,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:26,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 646.0) internal successors, (2584), 4 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:26,933 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 646.0) internal successors, (2584), 4 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:26,933 INFO L175 Difference]: Start difference. First operand has 59 places, 61 transitions, 182 flow. Second operand 3 states and 956 transitions. [2022-12-13 18:20:26,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 78 transitions, 355 flow [2022-12-13 18:20:26,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 78 transitions, 337 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 18:20:26,938 INFO L231 Difference]: Finished difference. Result has 57 places, 61 transitions, 185 flow [2022-12-13 18:20:26,938 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=646, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=185, PETRI_PLACES=57, PETRI_TRANSITIONS=61} [2022-12-13 18:20:26,939 INFO L288 CegarLoopForPetriNet]: 77 programPoint places, -20 predicate places. [2022-12-13 18:20:26,939 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 61 transitions, 185 flow [2022-12-13 18:20:26,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 302.6666666666667) internal successors, (908), 3 states have internal predecessors, (908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:26,940 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:20:26,940 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:20:26,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 18:20:26,940 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-12-13 18:20:26,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:20:26,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1415104355, now seen corresponding path program 1 times [2022-12-13 18:20:26,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:20:26,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950346540] [2022-12-13 18:20:26,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:20:26,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:20:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:20:26,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:20:26,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:20:26,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950346540] [2022-12-13 18:20:26,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950346540] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:20:26,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:20:26,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:20:26,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062884248] [2022-12-13 18:20:26,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:20:26,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:20:26,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:20:26,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:20:26,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:20:26,987 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 646 [2022-12-13 18:20:26,988 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 61 transitions, 185 flow. Second operand has 3 states, 3 states have (on average 305.6666666666667) internal successors, (917), 3 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:26,988 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:20:26,988 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 646 [2022-12-13 18:20:26,988 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:20:27,136 INFO L130 PetriNetUnfolder]: 764/1391 cut-off events. [2022-12-13 18:20:27,136 INFO L131 PetriNetUnfolder]: For 181/181 co-relation queries the response was YES. [2022-12-13 18:20:27,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3101 conditions, 1391 events. 764/1391 cut-off events. For 181/181 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 7586 event pairs, 323 based on Foata normal form. 0/1116 useless extension candidates. Maximal degree in co-relation 3094. Up to 785 conditions per place. [2022-12-13 18:20:27,140 INFO L137 encePairwiseOnDemand]: 642/646 looper letters, 64 selfloop transitions, 2 changer transitions 6/88 dead transitions. [2022-12-13 18:20:27,140 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 88 transitions, 403 flow [2022-12-13 18:20:27,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:20:27,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 18:20:27,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 974 transitions. [2022-12-13 18:20:27,142 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5025799793601651 [2022-12-13 18:20:27,142 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 974 transitions. [2022-12-13 18:20:27,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 974 transitions. [2022-12-13 18:20:27,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:20:27,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 974 transitions. [2022-12-13 18:20:27,144 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 324.6666666666667) internal successors, (974), 3 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:27,146 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 646.0) internal successors, (2584), 4 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:27,146 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 646.0) internal successors, (2584), 4 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:27,146 INFO L175 Difference]: Start difference. First operand has 57 places, 61 transitions, 185 flow. Second operand 3 states and 974 transitions. [2022-12-13 18:20:27,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 88 transitions, 403 flow [2022-12-13 18:20:27,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 88 transitions, 403 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 18:20:27,149 INFO L231 Difference]: Finished difference. Result has 58 places, 61 transitions, 195 flow [2022-12-13 18:20:27,149 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=646, PETRI_DIFFERENCE_MINUEND_FLOW=181, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=195, PETRI_PLACES=58, PETRI_TRANSITIONS=61} [2022-12-13 18:20:27,150 INFO L288 CegarLoopForPetriNet]: 77 programPoint places, -19 predicate places. [2022-12-13 18:20:27,150 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 61 transitions, 195 flow [2022-12-13 18:20:27,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 305.6666666666667) internal successors, (917), 3 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:27,150 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:20:27,150 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:20:27,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 18:20:27,151 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-12-13 18:20:27,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:20:27,151 INFO L85 PathProgramCache]: Analyzing trace with hash 824219194, now seen corresponding path program 1 times [2022-12-13 18:20:27,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:20:27,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027918706] [2022-12-13 18:20:27,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:20:27,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:20:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:20:27,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:20:27,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:20:27,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027918706] [2022-12-13 18:20:27,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027918706] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:20:27,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:20:27,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:20:27,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008169412] [2022-12-13 18:20:27,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:20:27,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:20:27,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:20:27,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:20:27,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:20:27,197 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 303 out of 646 [2022-12-13 18:20:27,198 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 61 transitions, 195 flow. Second operand has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:27,198 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:20:27,198 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 303 of 646 [2022-12-13 18:20:27,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:20:27,343 INFO L130 PetriNetUnfolder]: 779/1398 cut-off events. [2022-12-13 18:20:27,343 INFO L131 PetriNetUnfolder]: For 184/184 co-relation queries the response was YES. [2022-12-13 18:20:27,344 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3235 conditions, 1398 events. 779/1398 cut-off events. For 184/184 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 7363 event pairs, 329 based on Foata normal form. 0/1143 useless extension candidates. Maximal degree in co-relation 3227. Up to 785 conditions per place. [2022-12-13 18:20:27,345 INFO L137 encePairwiseOnDemand]: 642/646 looper letters, 0 selfloop transitions, 0 changer transitions 88/88 dead transitions. [2022-12-13 18:20:27,345 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 88 transitions, 413 flow [2022-12-13 18:20:27,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:20:27,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 18:20:27,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 974 transitions. [2022-12-13 18:20:27,347 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5025799793601651 [2022-12-13 18:20:27,347 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 974 transitions. [2022-12-13 18:20:27,347 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 974 transitions. [2022-12-13 18:20:27,347 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:20:27,347 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 974 transitions. [2022-12-13 18:20:27,349 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 324.6666666666667) internal successors, (974), 3 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:27,350 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 646.0) internal successors, (2584), 4 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:27,351 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 646.0) internal successors, (2584), 4 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:27,351 INFO L175 Difference]: Start difference. First operand has 58 places, 61 transitions, 195 flow. Second operand 3 states and 974 transitions. [2022-12-13 18:20:27,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 88 transitions, 413 flow [2022-12-13 18:20:27,352 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 88 transitions, 413 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 18:20:27,353 INFO L231 Difference]: Finished difference. Result has 58 places, 0 transitions, 0 flow [2022-12-13 18:20:27,353 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=646, PETRI_DIFFERENCE_MINUEND_FLOW=191, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=58, PETRI_TRANSITIONS=0} [2022-12-13 18:20:27,353 INFO L288 CegarLoopForPetriNet]: 77 programPoint places, -19 predicate places. [2022-12-13 18:20:27,353 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 0 transitions, 0 flow [2022-12-13 18:20:27,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 306.3333333333333) internal successors, (919), 3 states have internal predecessors, (919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:20:27,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (51 of 52 remaining) [2022-12-13 18:20:27,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (50 of 52 remaining) [2022-12-13 18:20:27,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (49 of 52 remaining) [2022-12-13 18:20:27,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (48 of 52 remaining) [2022-12-13 18:20:27,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (47 of 52 remaining) [2022-12-13 18:20:27,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (46 of 52 remaining) [2022-12-13 18:20:27,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (45 of 52 remaining) [2022-12-13 18:20:27,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (44 of 52 remaining) [2022-12-13 18:20:27,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (43 of 52 remaining) [2022-12-13 18:20:27,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (42 of 52 remaining) [2022-12-13 18:20:27,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (41 of 52 remaining) [2022-12-13 18:20:27,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (40 of 52 remaining) [2022-12-13 18:20:27,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (39 of 52 remaining) [2022-12-13 18:20:27,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (38 of 52 remaining) [2022-12-13 18:20:27,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (37 of 52 remaining) [2022-12-13 18:20:27,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (36 of 52 remaining) [2022-12-13 18:20:27,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (35 of 52 remaining) [2022-12-13 18:20:27,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (34 of 52 remaining) [2022-12-13 18:20:27,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (33 of 52 remaining) [2022-12-13 18:20:27,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (32 of 52 remaining) [2022-12-13 18:20:27,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (31 of 52 remaining) [2022-12-13 18:20:27,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (30 of 52 remaining) [2022-12-13 18:20:27,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (29 of 52 remaining) [2022-12-13 18:20:27,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (28 of 52 remaining) [2022-12-13 18:20:27,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (27 of 52 remaining) [2022-12-13 18:20:27,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (26 of 52 remaining) [2022-12-13 18:20:27,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (25 of 52 remaining) [2022-12-13 18:20:27,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (24 of 52 remaining) [2022-12-13 18:20:27,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (23 of 52 remaining) [2022-12-13 18:20:27,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (22 of 52 remaining) [2022-12-13 18:20:27,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (21 of 52 remaining) [2022-12-13 18:20:27,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (20 of 52 remaining) [2022-12-13 18:20:27,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 52 remaining) [2022-12-13 18:20:27,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 52 remaining) [2022-12-13 18:20:27,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 52 remaining) [2022-12-13 18:20:27,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 52 remaining) [2022-12-13 18:20:27,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (15 of 52 remaining) [2022-12-13 18:20:27,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (14 of 52 remaining) [2022-12-13 18:20:27,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (13 of 52 remaining) [2022-12-13 18:20:27,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (12 of 52 remaining) [2022-12-13 18:20:27,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (11 of 52 remaining) [2022-12-13 18:20:27,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (10 of 52 remaining) [2022-12-13 18:20:27,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (9 of 52 remaining) [2022-12-13 18:20:27,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (8 of 52 remaining) [2022-12-13 18:20:27,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (7 of 52 remaining) [2022-12-13 18:20:27,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (6 of 52 remaining) [2022-12-13 18:20:27,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (5 of 52 remaining) [2022-12-13 18:20:27,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (4 of 52 remaining) [2022-12-13 18:20:27,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (3 of 52 remaining) [2022-12-13 18:20:27,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (2 of 52 remaining) [2022-12-13 18:20:27,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (1 of 52 remaining) [2022-12-13 18:20:27,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (0 of 52 remaining) [2022-12-13 18:20:27,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 18:20:27,366 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:20:27,371 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 18:20:27,372 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:20:27,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:20:27 BasicIcfg [2022-12-13 18:20:27,375 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:20:27,375 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:20:27,375 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:20:27,375 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:20:27,376 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:20:20" (3/4) ... [2022-12-13 18:20:27,377 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 18:20:27,382 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 18:20:27,382 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 18:20:27,386 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-12-13 18:20:27,386 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 18:20:27,386 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 18:20:27,386 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 18:20:27,423 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028af7a2-1523-4adc-a20d-68a9c042028c/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 18:20:27,423 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:20:27,423 INFO L158 Benchmark]: Toolchain (without parser) took 8046.40ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 88.8MB in the beginning and 80.2MB in the end (delta: 8.6MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2022-12-13 18:20:27,424 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 125.8MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:20:27,424 INFO L158 Benchmark]: CACSL2BoogieTranslator took 186.21ms. Allocated memory is still 125.8MB. Free memory was 88.5MB in the beginning and 76.7MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 18:20:27,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.35ms. Allocated memory is still 125.8MB. Free memory was 76.7MB in the beginning and 74.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:20:27,424 INFO L158 Benchmark]: Boogie Preprocessor took 29.63ms. Allocated memory is still 125.8MB. Free memory was 74.6MB in the beginning and 72.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:20:27,425 INFO L158 Benchmark]: RCFGBuilder took 497.09ms. Allocated memory is still 125.8MB. Free memory was 72.5MB in the beginning and 49.8MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-13 18:20:27,425 INFO L158 Benchmark]: TraceAbstraction took 7244.58ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 49.4MB in the beginning and 84.4MB in the end (delta: -35.0MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2022-12-13 18:20:27,425 INFO L158 Benchmark]: Witness Printer took 47.71ms. Allocated memory is still 151.0MB. Free memory was 84.4MB in the beginning and 80.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 18:20:27,427 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 125.8MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 186.21ms. Allocated memory is still 125.8MB. Free memory was 88.5MB in the beginning and 76.7MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.35ms. Allocated memory is still 125.8MB. Free memory was 76.7MB in the beginning and 74.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.63ms. Allocated memory is still 125.8MB. Free memory was 74.6MB in the beginning and 72.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 497.09ms. Allocated memory is still 125.8MB. Free memory was 72.5MB in the beginning and 49.8MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 7244.58ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 49.4MB in the beginning and 84.4MB in the end (delta: -35.0MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. * Witness Printer took 47.71ms. Allocated memory is still 151.0MB. Free memory was 84.4MB in the beginning and 80.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.3s, 290 PlacesBefore, 77 PlacesAfterwards, 299 TransitionsBefore, 79 TransitionsAfterwards, 17696 CoEnabledTransitionPairs, 8 FixpointIterations, 140 TrivialSequentialCompositions, 125 ConcurrentSequentialCompositions, 14 TrivialYvCompositions, 38 ConcurrentYvCompositions, 7 ChoiceCompositions, 324 TotalNumberOfCompositions, 51916 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 30429, independent: 29572, independent conditional: 0, independent unconditional: 29572, dependent: 857, dependent conditional: 0, dependent unconditional: 857, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 10513, independent: 10428, independent conditional: 0, independent unconditional: 10428, dependent: 85, dependent conditional: 0, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 30429, independent: 19144, independent conditional: 0, independent unconditional: 19144, dependent: 772, dependent conditional: 0, dependent unconditional: 772, unknown: 10513, unknown conditional: 0, unknown unconditional: 10513] , Statistics on independence cache: Total cache size (in pairs): 825, Positive cache size: 778, Positive conditional cache size: 0, Positive unconditional cache size: 778, Negative cache size: 47, Negative conditional cache size: 0, Negative unconditional cache size: 47, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 455 locations, 52 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.1s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 326 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 219 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 69 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 571 IncrementalHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 69 mSolverCounterUnsat, 35 mSDtfsCounter, 571 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=195occurred in iteration=7, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 70 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 32 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 18:20:27,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_028af7a2-1523-4adc-a20d-68a9c042028c/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE