./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b 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_c48794b4-2c53-4a11-96e3-563f3de83386/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48794b4-2c53-4a11-96e3-563f3de83386/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48794b4-2c53-4a11-96e3-563f3de83386/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48794b4-2c53-4a11-96e3-563f3de83386/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48794b4-2c53-4a11-96e3-563f3de83386/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48794b4-2c53-4a11-96e3-563f3de83386/bin/uautomizer-ug76WZFUDN --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 64fd5c9a7c03c96af66cf5f857887398d304caaa83220f1caa01f4ec8c71700a --- 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-6b4ec56 [2022-11-20 12:44:28,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:44:28,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:44:28,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:44:28,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:44:28,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:44:28,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:44:28,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:44:28,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:44:28,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:44:28,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:44:28,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:44:28,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:44:28,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:44:28,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:44:29,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:44:29,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:44:29,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:44:29,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:44:29,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:44:29,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:44:29,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:44:29,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:44:29,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:44:29,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:44:29,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:44:29,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:44:29,035 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:44:29,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:44:29,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:44:29,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:44:29,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:44:29,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:44:29,046 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:44:29,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:44:29,048 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:44:29,048 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:44:29,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:44:29,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:44:29,053 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:44:29,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:44:29,054 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48794b4-2c53-4a11-96e3-563f3de83386/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-20 12:44:29,073 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:44:29,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:44:29,074 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:44:29,074 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:44:29,075 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:44:29,075 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:44:29,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:44:29,076 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:44:29,076 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:44:29,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:44:29,077 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:44:29,077 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:44:29,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:44:29,078 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:44:29,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:44:29,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:44:29,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:44:29,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:44:29,079 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 12:44:29,079 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:44:29,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:44:29,079 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:44:29,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:44:29,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:44:29,080 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:44:29,080 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:44:29,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:44:29,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:44:29,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:44:29,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:44:29,081 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:44:29,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:44:29,082 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:44:29,082 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:44:29,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:44:29,082 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48794b4-2c53-4a11-96e3-563f3de83386/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48794b4-2c53-4a11-96e3-563f3de83386/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64fd5c9a7c03c96af66cf5f857887398d304caaa83220f1caa01f4ec8c71700a [2022-11-20 12:44:29,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:44:29,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:44:29,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:44:29,348 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:44:29,348 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:44:29,350 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48794b4-2c53-4a11-96e3-563f3de83386/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c [2022-11-20 12:44:32,627 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:44:32,892 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:44:32,892 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48794b4-2c53-4a11-96e3-563f3de83386/sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c [2022-11-20 12:44:32,900 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48794b4-2c53-4a11-96e3-563f3de83386/bin/uautomizer-ug76WZFUDN/data/3852349e2/1d4e613b6c99465487c3df75921870ed/FLAG1ec52fcfa [2022-11-20 12:44:32,915 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48794b4-2c53-4a11-96e3-563f3de83386/bin/uautomizer-ug76WZFUDN/data/3852349e2/1d4e613b6c99465487c3df75921870ed [2022-11-20 12:44:32,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:44:32,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:44:32,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:44:32,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:44:32,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:44:32,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:44:32" (1/1) ... [2022-11-20 12:44:32,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50fa7a6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:32, skipping insertion in model container [2022-11-20 12:44:32,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:44:32" (1/1) ... [2022-11-20 12:44:32,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:44:32,977 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:44:33,140 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_c48794b4-2c53-4a11-96e3-563f3de83386/sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c[2986,2999] [2022-11-20 12:44:33,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:44:33,154 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:44:33,184 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_c48794b4-2c53-4a11-96e3-563f3de83386/sv-benchmarks/c/weaver/chl-collitem-symm.wvr.c[2986,2999] [2022-11-20 12:44:33,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:44:33,199 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:44:33,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:33 WrapperNode [2022-11-20 12:44:33,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:44:33,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:44:33,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:44:33,201 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:44:33,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:33" (1/1) ... [2022-11-20 12:44:33,218 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:33" (1/1) ... [2022-11-20 12:44:33,254 INFO L138 Inliner]: procedures = 22, calls = 35, calls flagged for inlining = 15, calls inlined = 29, statements flattened = 414 [2022-11-20 12:44:33,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:44:33,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:44:33,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:44:33,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:44:33,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:33" (1/1) ... [2022-11-20 12:44:33,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:33" (1/1) ... [2022-11-20 12:44:33,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:33" (1/1) ... [2022-11-20 12:44:33,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:33" (1/1) ... [2022-11-20 12:44:33,281 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:33" (1/1) ... [2022-11-20 12:44:33,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:33" (1/1) ... [2022-11-20 12:44:33,287 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:33" (1/1) ... [2022-11-20 12:44:33,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:33" (1/1) ... [2022-11-20 12:44:33,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:44:33,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:44:33,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:44:33,294 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:44:33,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:33" (1/1) ... [2022-11-20 12:44:33,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:44:33,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48794b4-2c53-4a11-96e3-563f3de83386/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:44:33,341 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48794b4-2c53-4a11-96e3-563f3de83386/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:44:33,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48794b4-2c53-4a11-96e3-563f3de83386/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:44:33,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:44:33,408 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 12:44:33,408 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 12:44:33,410 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 12:44:33,411 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 12:44:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:44:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:44:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 12:44:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 12:44:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 12:44:33,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:44:33,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:44:33,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 12:44:33,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:44:33,420 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 12:44:33,545 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:44:33,547 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:44:34,433 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:44:35,330 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:44:35,331 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 12:44:35,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:44:35 BoogieIcfgContainer [2022-11-20 12:44:35,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:44:35,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:44:35,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:44:35,342 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:44:35,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:44:32" (1/3) ... [2022-11-20 12:44:35,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50af4967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:44:35, skipping insertion in model container [2022-11-20 12:44:35,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:33" (2/3) ... [2022-11-20 12:44:35,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50af4967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:44:35, skipping insertion in model container [2022-11-20 12:44:35,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:44:35" (3/3) ... [2022-11-20 12:44:35,348 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-collitem-symm.wvr.c [2022-11-20 12:44:35,359 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 12:44:35,372 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:44:35,373 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 54 error locations. [2022-11-20 12:44:35,373 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 12:44:35,515 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-20 12:44:35,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 245 places, 244 transitions, 504 flow [2022-11-20 12:44:35,660 INFO L130 PetriNetUnfolder]: 6/242 cut-off events. [2022-11-20 12:44:35,661 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-20 12:44:35,664 INFO L83 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 242 events. 6/242 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 299 event pairs, 0 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 98. Up to 2 conditions per place. [2022-11-20 12:44:35,665 INFO L82 GeneralOperation]: Start removeDead. Operand has 245 places, 244 transitions, 504 flow [2022-11-20 12:44:35,671 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 224 places, 221 transitions, 454 flow [2022-11-20 12:44:35,681 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:44:35,689 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;@e9e5eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:44:35,690 INFO L358 AbstractCegarLoop]: Starting to check reachability of 92 error locations. [2022-11-20 12:44:35,701 INFO L130 PetriNetUnfolder]: 0/28 cut-off events. [2022-11-20 12:44:35,701 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 12:44:35,701 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:44:35,702 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:44:35,702 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 88 more)] === [2022-11-20 12:44:35,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:35,707 INFO L85 PathProgramCache]: Analyzing trace with hash -205411723, now seen corresponding path program 1 times [2022-11-20 12:44:35,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:44:35,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106992038] [2022-11-20 12:44:35,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:44:35,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:44:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:35,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:44:35,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:44:35,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106992038] [2022-11-20 12:44:35,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106992038] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:44:35,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:44:35,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:44:35,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680314915] [2022-11-20 12:44:35,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:44:35,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:44:35,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:44:36,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:44:36,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:44:36,022 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 244 [2022-11-20 12:44:36,028 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 221 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:36,029 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:44:36,029 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 244 [2022-11-20 12:44:36,030 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:44:36,175 INFO L130 PetriNetUnfolder]: 5/194 cut-off events. [2022-11-20 12:44:36,175 INFO L131 PetriNetUnfolder]: For 13/16 co-relation queries the response was YES. [2022-11-20 12:44:36,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 224 conditions, 194 events. 5/194 cut-off events. For 13/16 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 84 event pairs, 3 based on Foata normal form. 2/174 useless extension candidates. Maximal degree in co-relation 59. Up to 16 conditions per place. [2022-11-20 12:44:36,180 INFO L137 encePairwiseOnDemand]: 203/244 looper letters, 9 selfloop transitions, 2 changer transitions 2/182 dead transitions. [2022-11-20 12:44:36,180 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 182 transitions, 398 flow [2022-11-20 12:44:36,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:44:36,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:44:36,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 626 transitions. [2022-11-20 12:44:36,203 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.855191256830601 [2022-11-20 12:44:36,204 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 626 transitions. [2022-11-20 12:44:36,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 626 transitions. [2022-11-20 12:44:36,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:44:36,211 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 626 transitions. [2022-11-20 12:44:36,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 208.66666666666666) internal successors, (626), 3 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:36,221 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:36,222 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:36,224 INFO L175 Difference]: Start difference. First operand has 224 places, 221 transitions, 454 flow. Second operand 3 states and 626 transitions. [2022-11-20 12:44:36,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 182 transitions, 398 flow [2022-11-20 12:44:36,228 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 182 transitions, 390 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 12:44:36,232 INFO L231 Difference]: Finished difference. Result has 185 places, 180 transitions, 368 flow [2022-11-20 12:44:36,235 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=368, PETRI_PLACES=185, PETRI_TRANSITIONS=180} [2022-11-20 12:44:36,239 INFO L288 CegarLoopForPetriNet]: 224 programPoint places, -39 predicate places. [2022-11-20 12:44:36,240 INFO L495 AbstractCegarLoop]: Abstraction has has 185 places, 180 transitions, 368 flow [2022-11-20 12:44:36,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:36,240 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:44:36,241 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:44:36,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 12:44:36,242 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 88 more)] === [2022-11-20 12:44:36,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:36,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1389526537, now seen corresponding path program 1 times [2022-11-20 12:44:36,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:44:36,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543409488] [2022-11-20 12:44:36,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:44:36,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:44:36,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:36,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:44:36,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:44:36,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543409488] [2022-11-20 12:44:36,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543409488] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:44:36,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:44:36,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:44:36,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713065106] [2022-11-20 12:44:36,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:44:36,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:44:36,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:44:36,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:44:36,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:44:36,360 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 244 [2022-11-20 12:44:36,361 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 180 transitions, 368 flow. Second operand has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:36,361 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:44:36,361 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 244 [2022-11-20 12:44:36,362 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:44:36,462 INFO L130 PetriNetUnfolder]: 5/191 cut-off events. [2022-11-20 12:44:36,462 INFO L131 PetriNetUnfolder]: For 3/6 co-relation queries the response was YES. [2022-11-20 12:44:36,463 INFO L83 FinitePrefix]: Finished finitePrefix Result has 216 conditions, 191 events. 5/191 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 82 event pairs, 3 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 179. Up to 16 conditions per place. [2022-11-20 12:44:36,463 INFO L137 encePairwiseOnDemand]: 241/244 looper letters, 9 selfloop transitions, 2 changer transitions 0/179 dead transitions. [2022-11-20 12:44:36,464 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 179 transitions, 388 flow [2022-11-20 12:44:36,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:44:36,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:44:36,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 588 transitions. [2022-11-20 12:44:36,466 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8032786885245902 [2022-11-20 12:44:36,466 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 588 transitions. [2022-11-20 12:44:36,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 588 transitions. [2022-11-20 12:44:36,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:44:36,467 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 588 transitions. [2022-11-20 12:44:36,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 196.0) internal successors, (588), 3 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:36,470 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:36,471 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:36,471 INFO L175 Difference]: Start difference. First operand has 185 places, 180 transitions, 368 flow. Second operand 3 states and 588 transitions. [2022-11-20 12:44:36,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 179 transitions, 388 flow [2022-11-20 12:44:36,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 179 transitions, 384 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:44:36,476 INFO L231 Difference]: Finished difference. Result has 182 places, 179 transitions, 366 flow [2022-11-20 12:44:36,476 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=362, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=366, PETRI_PLACES=182, PETRI_TRANSITIONS=179} [2022-11-20 12:44:36,477 INFO L288 CegarLoopForPetriNet]: 224 programPoint places, -42 predicate places. [2022-11-20 12:44:36,477 INFO L495 AbstractCegarLoop]: Abstraction has has 182 places, 179 transitions, 366 flow [2022-11-20 12:44:36,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:36,478 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:44:36,478 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:44:36,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 12:44:36,478 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 88 more)] === [2022-11-20 12:44:36,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:36,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1694446215, now seen corresponding path program 1 times [2022-11-20 12:44:36,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:44:36,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255419729] [2022-11-20 12:44:36,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:44:36,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:44:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:36,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:44:36,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:44:36,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255419729] [2022-11-20 12:44:36,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255419729] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:44:36,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:44:36,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:44:36,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571131629] [2022-11-20 12:44:36,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:44:36,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:44:36,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:44:36,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:44:36,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:44:36,531 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 244 [2022-11-20 12:44:36,532 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 179 transitions, 366 flow. Second operand has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:36,532 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:44:36,533 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 244 [2022-11-20 12:44:36,533 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:44:36,588 INFO L130 PetriNetUnfolder]: 5/190 cut-off events. [2022-11-20 12:44:36,588 INFO L131 PetriNetUnfolder]: For 3/6 co-relation queries the response was YES. [2022-11-20 12:44:36,588 INFO L83 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 190 events. 5/190 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 82 event pairs, 3 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 171. Up to 16 conditions per place. [2022-11-20 12:44:36,589 INFO L137 encePairwiseOnDemand]: 241/244 looper letters, 9 selfloop transitions, 2 changer transitions 0/178 dead transitions. [2022-11-20 12:44:36,589 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 178 transitions, 386 flow [2022-11-20 12:44:36,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:44:36,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:44:36,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 588 transitions. [2022-11-20 12:44:36,591 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8032786885245902 [2022-11-20 12:44:36,591 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 588 transitions. [2022-11-20 12:44:36,591 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 588 transitions. [2022-11-20 12:44:36,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:44:36,592 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 588 transitions. [2022-11-20 12:44:36,594 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 196.0) internal successors, (588), 3 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:36,595 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:36,596 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:36,596 INFO L175 Difference]: Start difference. First operand has 182 places, 179 transitions, 366 flow. Second operand 3 states and 588 transitions. [2022-11-20 12:44:36,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 178 transitions, 386 flow [2022-11-20 12:44:36,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 178 transitions, 382 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:44:36,600 INFO L231 Difference]: Finished difference. Result has 181 places, 178 transitions, 364 flow [2022-11-20 12:44:36,601 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=360, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=364, PETRI_PLACES=181, PETRI_TRANSITIONS=178} [2022-11-20 12:44:36,601 INFO L288 CegarLoopForPetriNet]: 224 programPoint places, -43 predicate places. [2022-11-20 12:44:36,601 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 178 transitions, 364 flow [2022-11-20 12:44:36,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:36,602 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:44:36,602 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:44:36,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 12:44:36,603 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 88 more)] === [2022-11-20 12:44:36,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:36,603 INFO L85 PathProgramCache]: Analyzing trace with hash 847941243, now seen corresponding path program 1 times [2022-11-20 12:44:36,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:44:36,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551211319] [2022-11-20 12:44:36,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:44:36,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:44:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:36,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:44:36,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:44:36,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551211319] [2022-11-20 12:44:36,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551211319] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:44:36,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:44:36,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:44:36,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128106158] [2022-11-20 12:44:36,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:44:36,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:44:36,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:44:36,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:44:36,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:44:36,664 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 244 [2022-11-20 12:44:36,665 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 178 transitions, 364 flow. Second operand has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:36,665 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:44:36,665 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 244 [2022-11-20 12:44:36,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:44:36,727 INFO L130 PetriNetUnfolder]: 5/189 cut-off events. [2022-11-20 12:44:36,727 INFO L131 PetriNetUnfolder]: For 3/6 co-relation queries the response was YES. [2022-11-20 12:44:36,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 214 conditions, 189 events. 5/189 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 81 event pairs, 3 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 163. Up to 16 conditions per place. [2022-11-20 12:44:36,728 INFO L137 encePairwiseOnDemand]: 241/244 looper letters, 9 selfloop transitions, 2 changer transitions 0/177 dead transitions. [2022-11-20 12:44:36,728 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 177 transitions, 384 flow [2022-11-20 12:44:36,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:44:36,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:44:36,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 588 transitions. [2022-11-20 12:44:36,731 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8032786885245902 [2022-11-20 12:44:36,731 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 588 transitions. [2022-11-20 12:44:36,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 588 transitions. [2022-11-20 12:44:36,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:44:36,739 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 588 transitions. [2022-11-20 12:44:36,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 196.0) internal successors, (588), 3 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:36,743 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:36,743 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:36,744 INFO L175 Difference]: Start difference. First operand has 181 places, 178 transitions, 364 flow. Second operand 3 states and 588 transitions. [2022-11-20 12:44:36,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 177 transitions, 384 flow [2022-11-20 12:44:36,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 177 transitions, 380 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:44:36,748 INFO L231 Difference]: Finished difference. Result has 180 places, 177 transitions, 362 flow [2022-11-20 12:44:36,749 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=358, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=362, PETRI_PLACES=180, PETRI_TRANSITIONS=177} [2022-11-20 12:44:36,755 INFO L288 CegarLoopForPetriNet]: 224 programPoint places, -44 predicate places. [2022-11-20 12:44:36,755 INFO L495 AbstractCegarLoop]: Abstraction has has 180 places, 177 transitions, 362 flow [2022-11-20 12:44:36,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:36,756 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:44:36,756 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:44:36,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 12:44:36,757 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 88 more)] === [2022-11-20 12:44:36,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:36,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1469888561, now seen corresponding path program 1 times [2022-11-20 12:44:36,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:44:36,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936799413] [2022-11-20 12:44:36,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:44:36,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:44:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:36,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:44:36,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:44:36,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936799413] [2022-11-20 12:44:36,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936799413] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:44:36,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:44:36,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:44:36,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257907592] [2022-11-20 12:44:36,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:44:36,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:44:36,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:44:36,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:44:36,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:44:36,862 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 244 [2022-11-20 12:44:36,863 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 177 transitions, 362 flow. Second operand has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:36,863 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:44:36,863 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 244 [2022-11-20 12:44:36,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:44:36,925 INFO L130 PetriNetUnfolder]: 5/188 cut-off events. [2022-11-20 12:44:36,925 INFO L131 PetriNetUnfolder]: For 3/6 co-relation queries the response was YES. [2022-11-20 12:44:36,925 INFO L83 FinitePrefix]: Finished finitePrefix Result has 213 conditions, 188 events. 5/188 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 80 event pairs, 3 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 155. Up to 16 conditions per place. [2022-11-20 12:44:36,926 INFO L137 encePairwiseOnDemand]: 241/244 looper letters, 9 selfloop transitions, 2 changer transitions 0/176 dead transitions. [2022-11-20 12:44:36,926 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 176 transitions, 382 flow [2022-11-20 12:44:36,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:44:36,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:44:36,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 588 transitions. [2022-11-20 12:44:36,928 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8032786885245902 [2022-11-20 12:44:36,928 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 588 transitions. [2022-11-20 12:44:36,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 588 transitions. [2022-11-20 12:44:36,929 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:44:36,929 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 588 transitions. [2022-11-20 12:44:36,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 196.0) internal successors, (588), 3 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:36,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:36,933 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:36,933 INFO L175 Difference]: Start difference. First operand has 180 places, 177 transitions, 362 flow. Second operand 3 states and 588 transitions. [2022-11-20 12:44:36,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 176 transitions, 382 flow [2022-11-20 12:44:36,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 176 transitions, 378 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:44:36,937 INFO L231 Difference]: Finished difference. Result has 179 places, 176 transitions, 360 flow [2022-11-20 12:44:36,937 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=356, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=360, PETRI_PLACES=179, PETRI_TRANSITIONS=176} [2022-11-20 12:44:36,938 INFO L288 CegarLoopForPetriNet]: 224 programPoint places, -45 predicate places. [2022-11-20 12:44:36,938 INFO L495 AbstractCegarLoop]: Abstraction has has 179 places, 176 transitions, 360 flow [2022-11-20 12:44:36,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:36,939 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:44:36,939 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:44:36,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 12:44:36,939 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 88 more)] === [2022-11-20 12:44:36,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:36,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1805899716, now seen corresponding path program 1 times [2022-11-20 12:44:36,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:44:36,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886901370] [2022-11-20 12:44:36,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:44:36,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:44:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:36,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:44:36,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:44:36,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886901370] [2022-11-20 12:44:36,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886901370] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:44:36,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:44:36,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:44:36,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311756631] [2022-11-20 12:44:36,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:44:36,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:44:36,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:44:36,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:44:36,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:44:36,985 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 244 [2022-11-20 12:44:36,986 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 176 transitions, 360 flow. Second operand has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:36,986 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:44:36,986 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 244 [2022-11-20 12:44:36,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:44:37,052 INFO L130 PetriNetUnfolder]: 5/187 cut-off events. [2022-11-20 12:44:37,052 INFO L131 PetriNetUnfolder]: For 3/6 co-relation queries the response was YES. [2022-11-20 12:44:37,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 212 conditions, 187 events. 5/187 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 3 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 147. Up to 16 conditions per place. [2022-11-20 12:44:37,053 INFO L137 encePairwiseOnDemand]: 241/244 looper letters, 9 selfloop transitions, 2 changer transitions 0/175 dead transitions. [2022-11-20 12:44:37,053 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 175 transitions, 380 flow [2022-11-20 12:44:37,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:44:37,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:44:37,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 588 transitions. [2022-11-20 12:44:37,055 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8032786885245902 [2022-11-20 12:44:37,055 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 588 transitions. [2022-11-20 12:44:37,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 588 transitions. [2022-11-20 12:44:37,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:44:37,056 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 588 transitions. [2022-11-20 12:44:37,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 196.0) internal successors, (588), 3 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:37,059 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:37,060 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:37,060 INFO L175 Difference]: Start difference. First operand has 179 places, 176 transitions, 360 flow. Second operand 3 states and 588 transitions. [2022-11-20 12:44:37,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 175 transitions, 380 flow [2022-11-20 12:44:37,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 175 transitions, 376 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:44:37,064 INFO L231 Difference]: Finished difference. Result has 178 places, 175 transitions, 358 flow [2022-11-20 12:44:37,064 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=354, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=358, PETRI_PLACES=178, PETRI_TRANSITIONS=175} [2022-11-20 12:44:37,065 INFO L288 CegarLoopForPetriNet]: 224 programPoint places, -46 predicate places. [2022-11-20 12:44:37,065 INFO L495 AbstractCegarLoop]: Abstraction has has 178 places, 175 transitions, 358 flow [2022-11-20 12:44:37,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:37,066 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:44:37,067 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:44:37,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 12:44:37,067 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 88 more)] === [2022-11-20 12:44:37,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:37,068 INFO L85 PathProgramCache]: Analyzing trace with hash 2117886450, now seen corresponding path program 1 times [2022-11-20 12:44:37,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:44:37,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161391792] [2022-11-20 12:44:37,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:44:37,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:44:37,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:37,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:44:37,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:44:37,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161391792] [2022-11-20 12:44:37,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161391792] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:44:37,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:44:37,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:44:37,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846553976] [2022-11-20 12:44:37,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:44:37,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:44:37,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:44:37,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:44:37,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:44:37,154 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 244 [2022-11-20 12:44:37,155 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 175 transitions, 358 flow. Second operand has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:37,155 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:44:37,155 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 244 [2022-11-20 12:44:37,155 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:44:37,221 INFO L130 PetriNetUnfolder]: 5/186 cut-off events. [2022-11-20 12:44:37,221 INFO L131 PetriNetUnfolder]: For 3/6 co-relation queries the response was YES. [2022-11-20 12:44:37,222 INFO L83 FinitePrefix]: Finished finitePrefix Result has 211 conditions, 186 events. 5/186 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 78 event pairs, 3 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 139. Up to 16 conditions per place. [2022-11-20 12:44:37,222 INFO L137 encePairwiseOnDemand]: 241/244 looper letters, 9 selfloop transitions, 2 changer transitions 0/174 dead transitions. [2022-11-20 12:44:37,222 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 174 transitions, 378 flow [2022-11-20 12:44:37,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:44:37,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:44:37,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 588 transitions. [2022-11-20 12:44:37,225 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8032786885245902 [2022-11-20 12:44:37,225 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 588 transitions. [2022-11-20 12:44:37,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 588 transitions. [2022-11-20 12:44:37,226 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:44:37,226 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 588 transitions. [2022-11-20 12:44:37,227 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 196.0) internal successors, (588), 3 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:37,230 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:37,230 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:37,230 INFO L175 Difference]: Start difference. First operand has 178 places, 175 transitions, 358 flow. Second operand 3 states and 588 transitions. [2022-11-20 12:44:37,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 179 places, 174 transitions, 378 flow [2022-11-20 12:44:37,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 174 transitions, 374 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:44:37,235 INFO L231 Difference]: Finished difference. Result has 177 places, 174 transitions, 356 flow [2022-11-20 12:44:37,235 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=352, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=356, PETRI_PLACES=177, PETRI_TRANSITIONS=174} [2022-11-20 12:44:37,237 INFO L288 CegarLoopForPetriNet]: 224 programPoint places, -47 predicate places. [2022-11-20 12:44:37,237 INFO L495 AbstractCegarLoop]: Abstraction has has 177 places, 174 transitions, 356 flow [2022-11-20 12:44:37,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:37,237 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:44:37,238 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:44:37,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 12:44:37,238 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 88 more)] === [2022-11-20 12:44:37,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:37,238 INFO L85 PathProgramCache]: Analyzing trace with hash 580017728, now seen corresponding path program 1 times [2022-11-20 12:44:37,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:44:37,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388334949] [2022-11-20 12:44:37,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:44:37,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:44:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:37,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:44:37,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:44:37,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388334949] [2022-11-20 12:44:37,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388334949] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:44:37,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:44:37,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:44:37,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035914118] [2022-11-20 12:44:37,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:44:37,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:44:37,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:44:37,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:44:37,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:44:37,340 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 244 [2022-11-20 12:44:37,341 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 174 transitions, 356 flow. Second operand has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:37,341 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:44:37,341 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 244 [2022-11-20 12:44:37,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:44:37,398 INFO L130 PetriNetUnfolder]: 5/185 cut-off events. [2022-11-20 12:44:37,398 INFO L131 PetriNetUnfolder]: For 3/6 co-relation queries the response was YES. [2022-11-20 12:44:37,399 INFO L83 FinitePrefix]: Finished finitePrefix Result has 210 conditions, 185 events. 5/185 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 76 event pairs, 3 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 131. Up to 16 conditions per place. [2022-11-20 12:44:37,400 INFO L137 encePairwiseOnDemand]: 241/244 looper letters, 9 selfloop transitions, 2 changer transitions 0/173 dead transitions. [2022-11-20 12:44:37,400 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 173 transitions, 376 flow [2022-11-20 12:44:37,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:44:37,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:44:37,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 588 transitions. [2022-11-20 12:44:37,402 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8032786885245902 [2022-11-20 12:44:37,402 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 588 transitions. [2022-11-20 12:44:37,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 588 transitions. [2022-11-20 12:44:37,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:44:37,403 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 588 transitions. [2022-11-20 12:44:37,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 196.0) internal successors, (588), 3 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:37,406 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:37,406 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:37,406 INFO L175 Difference]: Start difference. First operand has 177 places, 174 transitions, 356 flow. Second operand 3 states and 588 transitions. [2022-11-20 12:44:37,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 173 transitions, 376 flow [2022-11-20 12:44:37,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 173 transitions, 372 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:44:37,410 INFO L231 Difference]: Finished difference. Result has 176 places, 173 transitions, 354 flow [2022-11-20 12:44:37,410 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=354, PETRI_PLACES=176, PETRI_TRANSITIONS=173} [2022-11-20 12:44:37,414 INFO L288 CegarLoopForPetriNet]: 224 programPoint places, -48 predicate places. [2022-11-20 12:44:37,414 INFO L495 AbstractCegarLoop]: Abstraction has has 176 places, 173 transitions, 354 flow [2022-11-20 12:44:37,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:37,415 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:44:37,415 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:44:37,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 12:44:37,415 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 88 more)] === [2022-11-20 12:44:37,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:37,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1961640110, now seen corresponding path program 1 times [2022-11-20 12:44:37,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:44:37,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464712355] [2022-11-20 12:44:37,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:44:37,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:44:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:37,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:44:37,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:44:37,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464712355] [2022-11-20 12:44:37,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464712355] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:44:37,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:44:37,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:44:37,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836965011] [2022-11-20 12:44:37,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:44:37,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:44:37,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:44:37,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:44:37,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:44:37,499 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 244 [2022-11-20 12:44:37,500 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 173 transitions, 354 flow. Second operand has 3 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:37,500 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:44:37,500 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 244 [2022-11-20 12:44:37,501 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:44:37,563 INFO L130 PetriNetUnfolder]: 5/184 cut-off events. [2022-11-20 12:44:37,563 INFO L131 PetriNetUnfolder]: For 3/6 co-relation queries the response was YES. [2022-11-20 12:44:37,563 INFO L83 FinitePrefix]: Finished finitePrefix Result has 218 conditions, 184 events. 5/184 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 75 event pairs, 3 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 132. Up to 25 conditions per place. [2022-11-20 12:44:37,564 INFO L137 encePairwiseOnDemand]: 241/244 looper letters, 18 selfloop transitions, 2 changer transitions 0/172 dead transitions. [2022-11-20 12:44:37,564 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 172 transitions, 392 flow [2022-11-20 12:44:37,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:44:37,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:44:37,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 570 transitions. [2022-11-20 12:44:37,566 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7786885245901639 [2022-11-20 12:44:37,566 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 570 transitions. [2022-11-20 12:44:37,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 570 transitions. [2022-11-20 12:44:37,567 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:44:37,567 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 570 transitions. [2022-11-20 12:44:37,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 190.0) internal successors, (570), 3 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:37,570 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:37,570 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:37,571 INFO L175 Difference]: Start difference. First operand has 176 places, 173 transitions, 354 flow. Second operand 3 states and 570 transitions. [2022-11-20 12:44:37,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 172 transitions, 392 flow [2022-11-20 12:44:37,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 172 transitions, 388 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:44:37,574 INFO L231 Difference]: Finished difference. Result has 175 places, 172 transitions, 352 flow [2022-11-20 12:44:37,575 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=352, PETRI_PLACES=175, PETRI_TRANSITIONS=172} [2022-11-20 12:44:37,575 INFO L288 CegarLoopForPetriNet]: 224 programPoint places, -49 predicate places. [2022-11-20 12:44:37,576 INFO L495 AbstractCegarLoop]: Abstraction has has 175 places, 172 transitions, 352 flow [2022-11-20 12:44:37,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:37,576 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:44:37,576 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:44:37,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 12:44:37,577 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 88 more)] === [2022-11-20 12:44:37,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:37,577 INFO L85 PathProgramCache]: Analyzing trace with hash 297094252, now seen corresponding path program 1 times [2022-11-20 12:44:37,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:44:37,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578302042] [2022-11-20 12:44:37,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:44:37,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:44:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:37,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:44:37,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:44:37,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578302042] [2022-11-20 12:44:37,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578302042] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:44:37,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:44:37,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:44:37,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841942430] [2022-11-20 12:44:37,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:44:37,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:44:37,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:44:37,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:44:37,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:44:37,619 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 244 [2022-11-20 12:44:37,620 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 172 transitions, 352 flow. Second operand has 3 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:37,620 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:44:37,620 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 244 [2022-11-20 12:44:37,620 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:44:37,680 INFO L130 PetriNetUnfolder]: 5/183 cut-off events. [2022-11-20 12:44:37,680 INFO L131 PetriNetUnfolder]: For 3/6 co-relation queries the response was YES. [2022-11-20 12:44:37,681 INFO L83 FinitePrefix]: Finished finitePrefix Result has 216 conditions, 183 events. 5/183 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 75 event pairs, 3 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 123. Up to 24 conditions per place. [2022-11-20 12:44:37,681 INFO L137 encePairwiseOnDemand]: 241/244 looper letters, 17 selfloop transitions, 2 changer transitions 0/171 dead transitions. [2022-11-20 12:44:37,682 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 171 transitions, 388 flow [2022-11-20 12:44:37,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:44:37,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:44:37,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 569 transitions. [2022-11-20 12:44:37,684 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7773224043715847 [2022-11-20 12:44:37,684 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 569 transitions. [2022-11-20 12:44:37,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 569 transitions. [2022-11-20 12:44:37,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:44:37,684 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 569 transitions. [2022-11-20 12:44:37,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 189.66666666666666) internal successors, (569), 3 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:37,687 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:37,688 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:37,688 INFO L175 Difference]: Start difference. First operand has 175 places, 172 transitions, 352 flow. Second operand 3 states and 569 transitions. [2022-11-20 12:44:37,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 171 transitions, 388 flow [2022-11-20 12:44:37,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 171 transitions, 384 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:44:37,691 INFO L231 Difference]: Finished difference. Result has 174 places, 171 transitions, 350 flow [2022-11-20 12:44:37,692 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=350, PETRI_PLACES=174, PETRI_TRANSITIONS=171} [2022-11-20 12:44:37,692 INFO L288 CegarLoopForPetriNet]: 224 programPoint places, -50 predicate places. [2022-11-20 12:44:37,693 INFO L495 AbstractCegarLoop]: Abstraction has has 174 places, 171 transitions, 350 flow [2022-11-20 12:44:37,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:37,693 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:44:37,693 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:44:37,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 12:44:37,694 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 88 more)] === [2022-11-20 12:44:37,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:37,694 INFO L85 PathProgramCache]: Analyzing trace with hash -480779178, now seen corresponding path program 1 times [2022-11-20 12:44:37,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:44:37,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943408358] [2022-11-20 12:44:37,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:44:37,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:44:37,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:38,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:44:38,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:44:38,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943408358] [2022-11-20 12:44:38,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943408358] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:44:38,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:44:38,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:44:38,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223259283] [2022-11-20 12:44:38,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:44:38,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:44:38,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:44:38,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:44:38,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:44:38,189 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 244 [2022-11-20 12:44:38,190 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 171 transitions, 350 flow. Second operand has 6 states, 6 states have (on average 181.83333333333334) internal successors, (1091), 6 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:38,190 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:44:38,191 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 244 [2022-11-20 12:44:38,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:44:38,445 INFO L130 PetriNetUnfolder]: 35/242 cut-off events. [2022-11-20 12:44:38,445 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 12:44:38,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 331 conditions, 242 events. 35/242 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 241 event pairs, 6 based on Foata normal form. 0/229 useless extension candidates. Maximal degree in co-relation 230. Up to 38 conditions per place. [2022-11-20 12:44:38,447 INFO L137 encePairwiseOnDemand]: 239/244 looper letters, 25 selfloop transitions, 4 changer transitions 0/178 dead transitions. [2022-11-20 12:44:38,447 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 178 transitions, 422 flow [2022-11-20 12:44:38,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:44:38,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 12:44:38,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1110 transitions. [2022-11-20 12:44:38,451 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7581967213114754 [2022-11-20 12:44:38,452 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1110 transitions. [2022-11-20 12:44:38,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1110 transitions. [2022-11-20 12:44:38,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:44:38,453 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1110 transitions. [2022-11-20 12:44:38,456 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 185.0) internal successors, (1110), 6 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:38,460 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 244.0) internal successors, (1708), 7 states have internal predecessors, (1708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:38,461 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 244.0) internal successors, (1708), 7 states have internal predecessors, (1708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:38,461 INFO L175 Difference]: Start difference. First operand has 174 places, 171 transitions, 350 flow. Second operand 6 states and 1110 transitions. [2022-11-20 12:44:38,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 178 transitions, 422 flow [2022-11-20 12:44:38,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 178 transitions, 418 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:44:38,466 INFO L231 Difference]: Finished difference. Result has 176 places, 170 transitions, 352 flow [2022-11-20 12:44:38,467 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=352, PETRI_PLACES=176, PETRI_TRANSITIONS=170} [2022-11-20 12:44:38,467 INFO L288 CegarLoopForPetriNet]: 224 programPoint places, -48 predicate places. [2022-11-20 12:44:38,468 INFO L495 AbstractCegarLoop]: Abstraction has has 176 places, 170 transitions, 352 flow [2022-11-20 12:44:38,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 181.83333333333334) internal successors, (1091), 6 states have internal predecessors, (1091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:38,469 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:44:38,469 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:44:38,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 12:44:38,470 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 88 more)] === [2022-11-20 12:44:38,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:38,470 INFO L85 PathProgramCache]: Analyzing trace with hash -629353158, now seen corresponding path program 1 times [2022-11-20 12:44:38,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:44:38,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193280578] [2022-11-20 12:44:38,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:44:38,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:44:38,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:39,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:44:39,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:44:39,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193280578] [2022-11-20 12:44:39,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193280578] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:44:39,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:44:39,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:44:39,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154837584] [2022-11-20 12:44:39,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:44:39,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:44:39,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:44:39,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:44:39,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:44:39,117 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 244 [2022-11-20 12:44:39,118 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 170 transitions, 352 flow. Second operand has 6 states, 6 states have (on average 183.0) internal successors, (1098), 6 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:39,118 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:44:39,118 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 244 [2022-11-20 12:44:39,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:44:39,245 INFO L130 PetriNetUnfolder]: 32/236 cut-off events. [2022-11-20 12:44:39,245 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-20 12:44:39,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 333 conditions, 236 events. 32/236 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 216 event pairs, 25 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 142. Up to 60 conditions per place. [2022-11-20 12:44:39,247 INFO L137 encePairwiseOnDemand]: 239/244 looper letters, 20 selfloop transitions, 4 changer transitions 0/173 dead transitions. [2022-11-20 12:44:39,247 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 173 transitions, 406 flow [2022-11-20 12:44:39,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:44:39,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 12:44:39,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1105 transitions. [2022-11-20 12:44:39,250 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7547814207650273 [2022-11-20 12:44:39,251 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1105 transitions. [2022-11-20 12:44:39,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1105 transitions. [2022-11-20 12:44:39,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:44:39,252 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1105 transitions. [2022-11-20 12:44:39,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 184.16666666666666) internal successors, (1105), 6 states have internal predecessors, (1105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:39,257 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 244.0) internal successors, (1708), 7 states have internal predecessors, (1708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:39,258 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 244.0) internal successors, (1708), 7 states have internal predecessors, (1708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:39,258 INFO L175 Difference]: Start difference. First operand has 176 places, 170 transitions, 352 flow. Second operand 6 states and 1105 transitions. [2022-11-20 12:44:39,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 173 transitions, 406 flow [2022-11-20 12:44:39,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 173 transitions, 399 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 12:44:39,262 INFO L231 Difference]: Finished difference. Result has 176 places, 169 transitions, 351 flow [2022-11-20 12:44:39,263 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=343, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=351, PETRI_PLACES=176, PETRI_TRANSITIONS=169} [2022-11-20 12:44:39,263 INFO L288 CegarLoopForPetriNet]: 224 programPoint places, -48 predicate places. [2022-11-20 12:44:39,264 INFO L495 AbstractCegarLoop]: Abstraction has has 176 places, 169 transitions, 351 flow [2022-11-20 12:44:39,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 183.0) internal successors, (1098), 6 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:39,265 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:44:39,265 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:44:39,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 12:44:39,265 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 88 more)] === [2022-11-20 12:44:39,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:39,266 INFO L85 PathProgramCache]: Analyzing trace with hash 60187894, now seen corresponding path program 1 times [2022-11-20 12:44:39,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:44:39,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828571085] [2022-11-20 12:44:39,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:44:39,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:44:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:39,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:44:39,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:44:39,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828571085] [2022-11-20 12:44:39,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828571085] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:44:39,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:44:39,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:44:39,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295115178] [2022-11-20 12:44:39,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:44:39,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:44:39,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:44:39,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:44:39,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:44:39,355 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 244 [2022-11-20 12:44:39,356 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 169 transitions, 351 flow. Second operand has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:39,356 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:44:39,357 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 244 [2022-11-20 12:44:39,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:44:39,416 INFO L130 PetriNetUnfolder]: 5/178 cut-off events. [2022-11-20 12:44:39,416 INFO L131 PetriNetUnfolder]: For 3/6 co-relation queries the response was YES. [2022-11-20 12:44:39,416 INFO L83 FinitePrefix]: Finished finitePrefix Result has 209 conditions, 178 events. 5/178 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 68 event pairs, 3 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 150. Up to 15 conditions per place. [2022-11-20 12:44:39,417 INFO L137 encePairwiseOnDemand]: 240/244 looper letters, 13 selfloop transitions, 1 changer transitions 0/166 dead transitions. [2022-11-20 12:44:39,417 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 166 transitions, 373 flow [2022-11-20 12:44:39,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:44:39,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:44:39,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 575 transitions. [2022-11-20 12:44:39,420 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7855191256830601 [2022-11-20 12:44:39,420 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 575 transitions. [2022-11-20 12:44:39,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 575 transitions. [2022-11-20 12:44:39,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:44:39,421 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 575 transitions. [2022-11-20 12:44:39,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 191.66666666666666) internal successors, (575), 3 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:39,424 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:39,425 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:39,425 INFO L175 Difference]: Start difference. First operand has 176 places, 169 transitions, 351 flow. Second operand 3 states and 575 transitions. [2022-11-20 12:44:39,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 166 transitions, 373 flow [2022-11-20 12:44:39,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 166 transitions, 366 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 12:44:39,429 INFO L231 Difference]: Finished difference. Result has 171 places, 166 transitions, 340 flow [2022-11-20 12:44:39,430 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=340, PETRI_PLACES=171, PETRI_TRANSITIONS=166} [2022-11-20 12:44:39,430 INFO L288 CegarLoopForPetriNet]: 224 programPoint places, -53 predicate places. [2022-11-20 12:44:39,430 INFO L495 AbstractCegarLoop]: Abstraction has has 171 places, 166 transitions, 340 flow [2022-11-20 12:44:39,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:39,431 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:44:39,431 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:44:39,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 12:44:39,432 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 88 more)] === [2022-11-20 12:44:39,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:39,433 INFO L85 PathProgramCache]: Analyzing trace with hash -25575286, now seen corresponding path program 1 times [2022-11-20 12:44:39,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:44:39,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75392984] [2022-11-20 12:44:39,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:44:39,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:44:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:39,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:44:39,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:44:39,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75392984] [2022-11-20 12:44:39,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75392984] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:44:39,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:44:39,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:44:39,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142437315] [2022-11-20 12:44:39,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:44:39,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:44:39,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:44:39,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:44:39,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:44:39,520 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 244 [2022-11-20 12:44:39,521 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 166 transitions, 340 flow. Second operand has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:39,521 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:44:39,521 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 244 [2022-11-20 12:44:39,521 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:44:39,579 INFO L130 PetriNetUnfolder]: 6/200 cut-off events. [2022-11-20 12:44:39,579 INFO L131 PetriNetUnfolder]: For 3/6 co-relation queries the response was YES. [2022-11-20 12:44:39,580 INFO L83 FinitePrefix]: Finished finitePrefix Result has 230 conditions, 200 events. 6/200 cut-off events. For 3/6 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 115 event pairs, 3 based on Foata normal form. 1/196 useless extension candidates. Maximal degree in co-relation 159. Up to 15 conditions per place. [2022-11-20 12:44:39,580 INFO L137 encePairwiseOnDemand]: 238/244 looper letters, 0 selfloop transitions, 0 changer transitions 165/165 dead transitions. [2022-11-20 12:44:39,580 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 165 transitions, 368 flow [2022-11-20 12:44:39,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:44:39,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:44:39,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 576 transitions. [2022-11-20 12:44:39,583 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7868852459016393 [2022-11-20 12:44:39,583 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 576 transitions. [2022-11-20 12:44:39,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 576 transitions. [2022-11-20 12:44:39,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:44:39,584 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 576 transitions. [2022-11-20 12:44:39,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 192.0) internal successors, (576), 3 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:39,587 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:39,588 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:39,588 INFO L175 Difference]: Start difference. First operand has 171 places, 166 transitions, 340 flow. Second operand 3 states and 576 transitions. [2022-11-20 12:44:39,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 165 transitions, 368 flow [2022-11-20 12:44:39,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 165 transitions, 367 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 12:44:39,591 INFO L231 Difference]: Finished difference. Result has 169 places, 0 transitions, 0 flow [2022-11-20 12:44:39,591 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=333, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=169, PETRI_TRANSITIONS=0} [2022-11-20 12:44:39,592 INFO L288 CegarLoopForPetriNet]: 224 programPoint places, -55 predicate places. [2022-11-20 12:44:39,592 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 0 transitions, 0 flow [2022-11-20 12:44:39,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:44:39,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (91 of 92 remaining) [2022-11-20 12:44:39,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (90 of 92 remaining) [2022-11-20 12:44:39,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (89 of 92 remaining) [2022-11-20 12:44:39,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (88 of 92 remaining) [2022-11-20 12:44:39,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (87 of 92 remaining) [2022-11-20 12:44:39,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (86 of 92 remaining) [2022-11-20 12:44:39,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (85 of 92 remaining) [2022-11-20 12:44:39,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (84 of 92 remaining) [2022-11-20 12:44:39,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (83 of 92 remaining) [2022-11-20 12:44:39,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (82 of 92 remaining) [2022-11-20 12:44:39,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (81 of 92 remaining) [2022-11-20 12:44:39,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (80 of 92 remaining) [2022-11-20 12:44:39,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (79 of 92 remaining) [2022-11-20 12:44:39,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (78 of 92 remaining) [2022-11-20 12:44:39,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (77 of 92 remaining) [2022-11-20 12:44:39,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (76 of 92 remaining) [2022-11-20 12:44:39,599 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (75 of 92 remaining) [2022-11-20 12:44:39,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (74 of 92 remaining) [2022-11-20 12:44:39,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (73 of 92 remaining) [2022-11-20 12:44:39,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (72 of 92 remaining) [2022-11-20 12:44:39,600 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (71 of 92 remaining) [2022-11-20 12:44:39,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (70 of 92 remaining) [2022-11-20 12:44:39,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (69 of 92 remaining) [2022-11-20 12:44:39,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (68 of 92 remaining) [2022-11-20 12:44:39,601 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (67 of 92 remaining) [2022-11-20 12:44:39,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (66 of 92 remaining) [2022-11-20 12:44:39,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (65 of 92 remaining) [2022-11-20 12:44:39,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (64 of 92 remaining) [2022-11-20 12:44:39,602 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (63 of 92 remaining) [2022-11-20 12:44:39,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (62 of 92 remaining) [2022-11-20 12:44:39,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (61 of 92 remaining) [2022-11-20 12:44:39,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (60 of 92 remaining) [2022-11-20 12:44:39,603 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (59 of 92 remaining) [2022-11-20 12:44:39,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (58 of 92 remaining) [2022-11-20 12:44:39,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (57 of 92 remaining) [2022-11-20 12:44:39,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (56 of 92 remaining) [2022-11-20 12:44:39,604 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (55 of 92 remaining) [2022-11-20 12:44:39,605 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (54 of 92 remaining) [2022-11-20 12:44:39,605 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (53 of 92 remaining) [2022-11-20 12:44:39,605 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (52 of 92 remaining) [2022-11-20 12:44:39,605 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (51 of 92 remaining) [2022-11-20 12:44:39,605 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (50 of 92 remaining) [2022-11-20 12:44:39,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (49 of 92 remaining) [2022-11-20 12:44:39,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (48 of 92 remaining) [2022-11-20 12:44:39,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (47 of 92 remaining) [2022-11-20 12:44:39,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (46 of 92 remaining) [2022-11-20 12:44:39,607 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (45 of 92 remaining) [2022-11-20 12:44:39,607 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (44 of 92 remaining) [2022-11-20 12:44:39,607 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (43 of 92 remaining) [2022-11-20 12:44:39,607 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (42 of 92 remaining) [2022-11-20 12:44:39,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (41 of 92 remaining) [2022-11-20 12:44:39,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (40 of 92 remaining) [2022-11-20 12:44:39,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (39 of 92 remaining) [2022-11-20 12:44:39,608 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (38 of 92 remaining) [2022-11-20 12:44:39,609 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 92 remaining) [2022-11-20 12:44:39,609 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 92 remaining) [2022-11-20 12:44:39,609 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (35 of 92 remaining) [2022-11-20 12:44:39,609 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (34 of 92 remaining) [2022-11-20 12:44:39,609 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (33 of 92 remaining) [2022-11-20 12:44:39,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (32 of 92 remaining) [2022-11-20 12:44:39,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (31 of 92 remaining) [2022-11-20 12:44:39,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (30 of 92 remaining) [2022-11-20 12:44:39,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (29 of 92 remaining) [2022-11-20 12:44:39,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (28 of 92 remaining) [2022-11-20 12:44:39,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (27 of 92 remaining) [2022-11-20 12:44:39,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (26 of 92 remaining) [2022-11-20 12:44:39,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (25 of 92 remaining) [2022-11-20 12:44:39,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (24 of 92 remaining) [2022-11-20 12:44:39,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (23 of 92 remaining) [2022-11-20 12:44:39,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (22 of 92 remaining) [2022-11-20 12:44:39,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (21 of 92 remaining) [2022-11-20 12:44:39,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (20 of 92 remaining) [2022-11-20 12:44:39,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (19 of 92 remaining) [2022-11-20 12:44:39,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (18 of 92 remaining) [2022-11-20 12:44:39,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 92 remaining) [2022-11-20 12:44:39,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 92 remaining) [2022-11-20 12:44:39,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 92 remaining) [2022-11-20 12:44:39,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 92 remaining) [2022-11-20 12:44:39,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (13 of 92 remaining) [2022-11-20 12:44:39,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (12 of 92 remaining) [2022-11-20 12:44:39,614 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (11 of 92 remaining) [2022-11-20 12:44:39,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (10 of 92 remaining) [2022-11-20 12:44:39,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (9 of 92 remaining) [2022-11-20 12:44:39,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (8 of 92 remaining) [2022-11-20 12:44:39,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (7 of 92 remaining) [2022-11-20 12:44:39,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (6 of 92 remaining) [2022-11-20 12:44:39,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (5 of 92 remaining) [2022-11-20 12:44:39,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (4 of 92 remaining) [2022-11-20 12:44:39,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (3 of 92 remaining) [2022-11-20 12:44:39,616 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (2 of 92 remaining) [2022-11-20 12:44:39,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (1 of 92 remaining) [2022-11-20 12:44:39,617 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (0 of 92 remaining) [2022-11-20 12:44:39,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-20 12:44:39,617 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:44:39,624 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 12:44:39,624 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:44:39,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:44:39 BasicIcfg [2022-11-20 12:44:39,629 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:44:39,630 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:44:39,630 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:44:39,630 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:44:39,631 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:44:35" (3/4) ... [2022-11-20 12:44:39,634 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 12:44:39,639 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-20 12:44:39,639 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-20 12:44:39,645 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-20 12:44:39,646 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 12:44:39,646 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 12:44:39,647 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:44:39,689 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48794b4-2c53-4a11-96e3-563f3de83386/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:44:39,689 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:44:39,689 INFO L158 Benchmark]: Toolchain (without parser) took 6770.72ms. Allocated memory was 180.4MB in the beginning and 308.3MB in the end (delta: 127.9MB). Free memory was 149.8MB in the beginning and 89.0MB in the end (delta: 60.8MB). Peak memory consumption was 189.5MB. Max. memory is 16.1GB. [2022-11-20 12:44:39,690 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:44:39,690 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.00ms. Allocated memory is still 180.4MB. Free memory was 149.8MB in the beginning and 137.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 12:44:39,690 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.29ms. Allocated memory is still 180.4MB. Free memory was 137.2MB in the beginning and 134.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:44:39,691 INFO L158 Benchmark]: Boogie Preprocessor took 38.48ms. Allocated memory is still 180.4MB. Free memory was 134.4MB in the beginning and 132.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:44:39,691 INFO L158 Benchmark]: RCFGBuilder took 2040.40ms. Allocated memory was 180.4MB in the beginning and 222.3MB in the end (delta: 41.9MB). Free memory was 132.3MB in the beginning and 171.3MB in the end (delta: -39.0MB). Peak memory consumption was 84.1MB. Max. memory is 16.1GB. [2022-11-20 12:44:39,692 INFO L158 Benchmark]: TraceAbstraction took 4291.29ms. Allocated memory was 222.3MB in the beginning and 308.3MB in the end (delta: 86.0MB). Free memory was 170.3MB in the beginning and 93.2MB in the end (delta: 77.1MB). Peak memory consumption was 162.0MB. Max. memory is 16.1GB. [2022-11-20 12:44:39,692 INFO L158 Benchmark]: Witness Printer took 59.03ms. Allocated memory is still 308.3MB. Free memory was 93.2MB in the beginning and 89.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 12:44:39,694 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.00ms. Allocated memory is still 180.4MB. Free memory was 149.8MB in the beginning and 137.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.29ms. Allocated memory is still 180.4MB. Free memory was 137.2MB in the beginning and 134.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.48ms. Allocated memory is still 180.4MB. Free memory was 134.4MB in the beginning and 132.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2040.40ms. Allocated memory was 180.4MB in the beginning and 222.3MB in the end (delta: 41.9MB). Free memory was 132.3MB in the beginning and 171.3MB in the end (delta: -39.0MB). Peak memory consumption was 84.1MB. Max. memory is 16.1GB. * TraceAbstraction took 4291.29ms. Allocated memory was 222.3MB in the beginning and 308.3MB in the end (delta: 86.0MB). Free memory was 170.3MB in the beginning and 93.2MB in the end (delta: 77.1MB). Peak memory consumption was 162.0MB. Max. memory is 16.1GB. * Witness Printer took 59.03ms. Allocated memory is still 308.3MB. Free memory was 93.2MB in the beginning and 89.0MB 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: - 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: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: 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: 58]: 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: 58]: 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: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: 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: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: 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, 285 locations, 92 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: 4.1s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 50 mSDsluCounter, 84 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 293 IncrementalHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 84 mSDtfsCounter, 293 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=454occurred in iteration=0, InterpolantAutomatonStates: 48, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1104 NumberOfCodeBlocks, 1104 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1090 ConstructedInterpolants, 0 QuantifiedInterpolants, 1276 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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 54 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-20 12:44:39,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c48794b4-2c53-4a11-96e3-563f3de83386/bin/uautomizer-ug76WZFUDN/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