./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-5.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810366b-c71e-45d5-b872-77db5e91f167/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810366b-c71e-45d5-b872-77db5e91f167/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810366b-c71e-45d5-b872-77db5e91f167/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810366b-c71e-45d5-b872-77db5e91f167/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-5.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810366b-c71e-45d5-b872-77db5e91f167/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810366b-c71e-45d5-b872-77db5e91f167/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c8ce32899aa465c1eaa89b234122d94aaf792bb347295ccb743670e04bba6b8e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 11:28:41,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:28:41,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:28:41,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:28:41,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:28:41,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:28:41,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:28:41,915 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:28:41,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:28:41,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:28:41,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:28:41,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:28:41,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:28:41,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:28:41,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:28:41,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:28:41,921 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:28:41,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:28:41,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:28:41,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:28:41,925 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:28:41,925 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:28:41,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:28:41,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:28:41,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:28:41,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:28:41,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:28:41,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:28:41,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:28:41,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:28:41,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:28:41,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:28:41,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:28:41,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:28:41,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:28:41,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:28:41,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:28:41,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:28:41,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:28:41,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:28:41,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:28:41,936 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810366b-c71e-45d5-b872-77db5e91f167/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 11:28:41,960 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:28:41,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:28:41,961 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:28:41,971 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:28:41,972 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 11:28:41,972 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 11:28:41,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:28:41,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:28:41,973 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:28:41,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:28:41,973 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 11:28:41,973 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 11:28:41,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:28:41,973 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 11:28:41,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:28:41,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 11:28:41,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 11:28:41,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 11:28:41,974 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 11:28:41,974 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 11:28:41,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:28:41,974 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:28:41,975 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 11:28:41,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:28:41,975 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:28:41,975 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 11:28:41,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:28:41,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:28:41,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 11:28:41,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 11:28:41,976 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:28:41,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 11:28:41,976 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 11:28:41,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 11:28:41,977 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 11:28:41,977 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 11:28:41,977 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 11:28:41,977 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810366b-c71e-45d5-b872-77db5e91f167/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810366b-c71e-45d5-b872-77db5e91f167/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8ce32899aa465c1eaa89b234122d94aaf792bb347295ccb743670e04bba6b8e [2022-12-13 11:28:42,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:28:42,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:28:42,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:28:42,157 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:28:42,158 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:28:42,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810366b-c71e-45d5-b872-77db5e91f167/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/unroll-5.wvr.c [2022-12-13 11:28:44,767 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:28:44,892 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:28:44,892 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810366b-c71e-45d5-b872-77db5e91f167/sv-benchmarks/c/weaver/unroll-5.wvr.c [2022-12-13 11:28:44,897 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810366b-c71e-45d5-b872-77db5e91f167/bin/uautomizer-uyxdKDjOR8/data/de974a2af/095d2beb3128486aa8ce18bf86afd610/FLAG6cdaabf94 [2022-12-13 11:28:44,908 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810366b-c71e-45d5-b872-77db5e91f167/bin/uautomizer-uyxdKDjOR8/data/de974a2af/095d2beb3128486aa8ce18bf86afd610 [2022-12-13 11:28:44,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:28:44,910 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:28:44,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:28:44,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:28:44,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:28:44,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:28:44" (1/1) ... [2022-12-13 11:28:44,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6757d9a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:28:44, skipping insertion in model container [2022-12-13 11:28:44,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:28:44" (1/1) ... [2022-12-13 11:28:44,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:28:44,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:28:45,057 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_d810366b-c71e-45d5-b872-77db5e91f167/sv-benchmarks/c/weaver/unroll-5.wvr.c[2644,2657] [2022-12-13 11:28:45,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:28:45,068 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:28:45,091 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_d810366b-c71e-45d5-b872-77db5e91f167/sv-benchmarks/c/weaver/unroll-5.wvr.c[2644,2657] [2022-12-13 11:28:45,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:28:45,103 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:28:45,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:28:45 WrapperNode [2022-12-13 11:28:45,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:28:45,104 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:28:45,104 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:28:45,104 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:28:45,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:28:45" (1/1) ... [2022-12-13 11:28:45,117 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:28:45" (1/1) ... [2022-12-13 11:28:45,141 INFO L138 Inliner]: procedures = 24, calls = 38, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 345 [2022-12-13 11:28:45,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:28:45,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:28:45,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:28:45,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:28:45,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:28:45" (1/1) ... [2022-12-13 11:28:45,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:28:45" (1/1) ... [2022-12-13 11:28:45,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:28:45" (1/1) ... [2022-12-13 11:28:45,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:28:45" (1/1) ... [2022-12-13 11:28:45,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:28:45" (1/1) ... [2022-12-13 11:28:45,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:28:45" (1/1) ... [2022-12-13 11:28:45,167 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:28:45" (1/1) ... [2022-12-13 11:28:45,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:28:45" (1/1) ... [2022-12-13 11:28:45,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:28:45,171 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:28:45,171 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:28:45,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:28:45,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:28:45" (1/1) ... [2022-12-13 11:28:45,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:28:45,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810366b-c71e-45d5-b872-77db5e91f167/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:28:45,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810366b-c71e-45d5-b872-77db5e91f167/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 11:28:45,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810366b-c71e-45d5-b872-77db5e91f167/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 11:28:45,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:28:45,229 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 11:28:45,230 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 11:28:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 11:28:45,230 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 11:28:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 11:28:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 11:28:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 11:28:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 11:28:45,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:28:45,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:28:45,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 11:28:45,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 11:28:45,232 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 11:28:45,317 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:28:45,319 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:28:45,791 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:28:45,801 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:28:45,801 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-13 11:28:45,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:28:45 BoogieIcfgContainer [2022-12-13 11:28:45,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:28:45,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 11:28:45,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 11:28:45,808 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 11:28:45,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:28:44" (1/3) ... [2022-12-13 11:28:45,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@891c14e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:28:45, skipping insertion in model container [2022-12-13 11:28:45,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:28:45" (2/3) ... [2022-12-13 11:28:45,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@891c14e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:28:45, skipping insertion in model container [2022-12-13 11:28:45,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:28:45" (3/3) ... [2022-12-13 11:28:45,811 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-5.wvr.c [2022-12-13 11:28:45,817 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 11:28:45,825 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 11:28:45,826 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 55 error locations. [2022-12-13 11:28:45,826 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 11:28:45,908 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 11:28:45,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 438 places, 454 transitions, 924 flow [2022-12-13 11:28:46,076 INFO L130 PetriNetUnfolder]: 23/452 cut-off events. [2022-12-13 11:28:46,076 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 11:28:46,086 INFO L83 FinitePrefix]: Finished finitePrefix Result has 461 conditions, 452 events. 23/452 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 574 event pairs, 0 based on Foata normal form. 0/374 useless extension candidates. Maximal degree in co-relation 307. Up to 2 conditions per place. [2022-12-13 11:28:46,086 INFO L82 GeneralOperation]: Start removeDead. Operand has 438 places, 454 transitions, 924 flow [2022-12-13 11:28:46,096 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 419 places, 434 transitions, 880 flow [2022-12-13 11:28:46,099 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 11:28:46,109 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 419 places, 434 transitions, 880 flow [2022-12-13 11:28:46,112 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 419 places, 434 transitions, 880 flow [2022-12-13 11:28:46,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 419 places, 434 transitions, 880 flow [2022-12-13 11:28:46,172 INFO L130 PetriNetUnfolder]: 22/434 cut-off events. [2022-12-13 11:28:46,172 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 11:28:46,175 INFO L83 FinitePrefix]: Finished finitePrefix Result has 443 conditions, 434 events. 22/434 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 517 event pairs, 0 based on Foata normal form. 0/358 useless extension candidates. Maximal degree in co-relation 307. Up to 2 conditions per place. [2022-12-13 11:28:46,186 INFO L119 LiptonReduction]: Number of co-enabled transitions 35316 [2022-12-13 11:28:52,964 INFO L134 LiptonReduction]: Checked pairs total: 131516 [2022-12-13 11:28:52,964 INFO L136 LiptonReduction]: Total number of compositions: 455 [2022-12-13 11:28:52,975 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:28:52,979 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;@31b91f9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:28:52,979 INFO L358 AbstractCegarLoop]: Starting to check reachability of 101 error locations. [2022-12-13 11:28:52,980 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 11:28:52,980 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 11:28:52,981 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:28:52,981 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 11:28:52,981 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2022-12-13 11:28:52,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:28:52,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1766, now seen corresponding path program 1 times [2022-12-13 11:28:52,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:28:52,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051252425] [2022-12-13 11:28:52,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:28:52,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:28:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:28:53,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:28:53,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:28:53,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051252425] [2022-12-13 11:28:53,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051252425] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:28:53,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:28:53,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 11:28:53,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677289307] [2022-12-13 11:28:53,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:28:53,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 11:28:53,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:28:53,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 11:28:53,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 11:28:53,087 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 435 out of 909 [2022-12-13 11:28:53,090 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 144 transitions, 300 flow. Second operand has 2 states, 2 states have (on average 435.5) internal successors, (871), 2 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:53,090 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:28:53,090 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 435 of 909 [2022-12-13 11:28:53,091 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:28:53,490 INFO L130 PetriNetUnfolder]: 1241/2791 cut-off events. [2022-12-13 11:28:53,491 INFO L131 PetriNetUnfolder]: For 107/107 co-relation queries the response was YES. [2022-12-13 11:28:53,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4766 conditions, 2791 events. 1241/2791 cut-off events. For 107/107 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 17395 event pairs, 878 based on Foata normal form. 333/2721 useless extension candidates. Maximal degree in co-relation 4333. Up to 1918 conditions per place. [2022-12-13 11:28:53,503 INFO L137 encePairwiseOnDemand]: 871/909 looper letters, 52 selfloop transitions, 0 changer transitions 1/106 dead transitions. [2022-12-13 11:28:53,503 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 106 transitions, 330 flow [2022-12-13 11:28:53,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 11:28:53,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 11:28:53,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 961 transitions. [2022-12-13 11:28:53,515 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5286028602860287 [2022-12-13 11:28:53,515 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 961 transitions. [2022-12-13 11:28:53,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 961 transitions. [2022-12-13 11:28:53,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:28:53,519 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 961 transitions. [2022-12-13 11:28:53,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 480.5) internal successors, (961), 2 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:53,529 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 909.0) internal successors, (2727), 3 states have internal predecessors, (2727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:53,530 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 909.0) internal successors, (2727), 3 states have internal predecessors, (2727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:53,531 INFO L175 Difference]: Start difference. First operand has 140 places, 144 transitions, 300 flow. Second operand 2 states and 961 transitions. [2022-12-13 11:28:53,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 106 transitions, 330 flow [2022-12-13 11:28:53,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 106 transitions, 322 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 11:28:53,536 INFO L231 Difference]: Finished difference. Result has 104 places, 105 transitions, 213 flow [2022-12-13 11:28:53,538 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=909, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=213, PETRI_PLACES=104, PETRI_TRANSITIONS=105} [2022-12-13 11:28:53,541 INFO L288 CegarLoopForPetriNet]: 140 programPoint places, -36 predicate places. [2022-12-13 11:28:53,541 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 105 transitions, 213 flow [2022-12-13 11:28:53,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 435.5) internal successors, (871), 2 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:53,542 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:28:53,542 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 11:28:53,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 11:28:53,542 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2022-12-13 11:28:53,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:28:53,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1103663391, now seen corresponding path program 1 times [2022-12-13 11:28:53,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:28:53,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969554184] [2022-12-13 11:28:53,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:28:53,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:28:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:28:53,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:28:53,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:28:53,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969554184] [2022-12-13 11:28:53,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969554184] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:28:53,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:28:53,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:28:53,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483021053] [2022-12-13 11:28:53,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:28:53,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:28:53,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:28:53,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:28:53,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:28:53,636 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 425 out of 909 [2022-12-13 11:28:53,639 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 105 transitions, 213 flow. Second operand has 3 states, 3 states have (on average 426.6666666666667) internal successors, (1280), 3 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:53,639 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:28:53,639 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 425 of 909 [2022-12-13 11:28:53,639 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:28:53,937 INFO L130 PetriNetUnfolder]: 1217/2795 cut-off events. [2022-12-13 11:28:53,937 INFO L131 PetriNetUnfolder]: For 34/79 co-relation queries the response was YES. [2022-12-13 11:28:53,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4793 conditions, 2795 events. 1217/2795 cut-off events. For 34/79 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 16923 event pairs, 1010 based on Foata normal form. 0/2564 useless extension candidates. Maximal degree in co-relation 4790. Up to 1982 conditions per place. [2022-12-13 11:28:53,948 INFO L137 encePairwiseOnDemand]: 906/909 looper letters, 53 selfloop transitions, 1 changer transitions 0/103 dead transitions. [2022-12-13 11:28:53,948 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 103 transitions, 317 flow [2022-12-13 11:28:53,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:28:53,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 11:28:53,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1331 transitions. [2022-12-13 11:28:53,951 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4880821415474881 [2022-12-13 11:28:53,951 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1331 transitions. [2022-12-13 11:28:53,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1331 transitions. [2022-12-13 11:28:53,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:28:53,952 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1331 transitions. [2022-12-13 11:28:53,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 443.6666666666667) internal successors, (1331), 3 states have internal predecessors, (1331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:53,957 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 909.0) internal successors, (3636), 4 states have internal predecessors, (3636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:53,958 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 909.0) internal successors, (3636), 4 states have internal predecessors, (3636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:53,958 INFO L175 Difference]: Start difference. First operand has 104 places, 105 transitions, 213 flow. Second operand 3 states and 1331 transitions. [2022-12-13 11:28:53,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 103 transitions, 317 flow [2022-12-13 11:28:53,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 103 transitions, 317 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 11:28:53,960 INFO L231 Difference]: Finished difference. Result has 103 places, 103 transitions, 211 flow [2022-12-13 11:28:53,960 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=909, PETRI_DIFFERENCE_MINUEND_FLOW=209, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=211, PETRI_PLACES=103, PETRI_TRANSITIONS=103} [2022-12-13 11:28:53,960 INFO L288 CegarLoopForPetriNet]: 140 programPoint places, -37 predicate places. [2022-12-13 11:28:53,960 INFO L495 AbstractCegarLoop]: Abstraction has has 103 places, 103 transitions, 211 flow [2022-12-13 11:28:53,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 426.6666666666667) internal successors, (1280), 3 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:53,961 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:28:53,961 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:28:53,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 11:28:53,961 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2022-12-13 11:28:53,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:28:53,962 INFO L85 PathProgramCache]: Analyzing trace with hash -235657645, now seen corresponding path program 1 times [2022-12-13 11:28:53,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:28:53,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150238658] [2022-12-13 11:28:53,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:28:53,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:28:53,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:28:54,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:28:54,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:28:54,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150238658] [2022-12-13 11:28:54,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150238658] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:28:54,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:28:54,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:28:54,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116483912] [2022-12-13 11:28:54,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:28:54,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:28:54,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:28:54,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:28:54,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:28:54,055 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 433 out of 909 [2022-12-13 11:28:54,058 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 103 transitions, 211 flow. Second operand has 3 states, 3 states have (on average 434.6666666666667) internal successors, (1304), 3 states have internal predecessors, (1304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:54,058 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:28:54,058 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 433 of 909 [2022-12-13 11:28:54,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:28:54,497 INFO L130 PetriNetUnfolder]: 1950/4644 cut-off events. [2022-12-13 11:28:54,498 INFO L131 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2022-12-13 11:28:54,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7835 conditions, 4644 events. 1950/4644 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 32806 event pairs, 783 based on Foata normal form. 0/4194 useless extension candidates. Maximal degree in co-relation 7831. Up to 1693 conditions per place. [2022-12-13 11:28:54,515 INFO L137 encePairwiseOnDemand]: 906/909 looper letters, 97 selfloop transitions, 2 changer transitions 0/150 dead transitions. [2022-12-13 11:28:54,515 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 150 transitions, 505 flow [2022-12-13 11:28:54,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:28:54,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 11:28:54,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1399 transitions. [2022-12-13 11:28:54,518 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.513017968463513 [2022-12-13 11:28:54,518 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1399 transitions. [2022-12-13 11:28:54,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1399 transitions. [2022-12-13 11:28:54,519 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:28:54,519 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1399 transitions. [2022-12-13 11:28:54,520 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 466.3333333333333) internal successors, (1399), 3 states have internal predecessors, (1399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:54,523 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 909.0) internal successors, (3636), 4 states have internal predecessors, (3636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:54,524 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 909.0) internal successors, (3636), 4 states have internal predecessors, (3636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:54,524 INFO L175 Difference]: Start difference. First operand has 103 places, 103 transitions, 211 flow. Second operand 3 states and 1399 transitions. [2022-12-13 11:28:54,524 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 150 transitions, 505 flow [2022-12-13 11:28:54,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 150 transitions, 504 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 11:28:54,526 INFO L231 Difference]: Finished difference. Result has 105 places, 104 transitions, 222 flow [2022-12-13 11:28:54,527 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=909, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=222, PETRI_PLACES=105, PETRI_TRANSITIONS=104} [2022-12-13 11:28:54,527 INFO L288 CegarLoopForPetriNet]: 140 programPoint places, -35 predicate places. [2022-12-13 11:28:54,527 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 104 transitions, 222 flow [2022-12-13 11:28:54,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 434.6666666666667) internal successors, (1304), 3 states have internal predecessors, (1304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:54,528 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:28:54,528 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:28:54,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 11:28:54,528 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2022-12-13 11:28:54,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:28:54,528 INFO L85 PathProgramCache]: Analyzing trace with hash -235842539, now seen corresponding path program 1 times [2022-12-13 11:28:54,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:28:54,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889357445] [2022-12-13 11:28:54,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:28:54,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:28:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:28:54,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:28:54,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:28:54,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889357445] [2022-12-13 11:28:54,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889357445] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:28:54,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:28:54,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:28:54,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199911001] [2022-12-13 11:28:54,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:28:54,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:28:54,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:28:54,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:28:54,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:28:54,597 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 410 out of 909 [2022-12-13 11:28:54,599 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 104 transitions, 222 flow. Second operand has 3 states, 3 states have (on average 412.0) internal successors, (1236), 3 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:54,599 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:28:54,599 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 410 of 909 [2022-12-13 11:28:54,599 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:28:54,995 INFO L130 PetriNetUnfolder]: 1950/4405 cut-off events. [2022-12-13 11:28:54,995 INFO L131 PetriNetUnfolder]: For 261/261 co-relation queries the response was YES. [2022-12-13 11:28:55,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7870 conditions, 4405 events. 1950/4405 cut-off events. For 261/261 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 29467 event pairs, 1639 based on Foata normal form. 0/4040 useless extension candidates. Maximal degree in co-relation 7865. Up to 3169 conditions per place. [2022-12-13 11:28:55,021 INFO L137 encePairwiseOnDemand]: 902/909 looper letters, 52 selfloop transitions, 1 changer transitions 0/98 dead transitions. [2022-12-13 11:28:55,021 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 98 transitions, 316 flow [2022-12-13 11:28:55,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:28:55,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 11:28:55,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1288 transitions. [2022-12-13 11:28:55,025 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.47231389805647234 [2022-12-13 11:28:55,025 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1288 transitions. [2022-12-13 11:28:55,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1288 transitions. [2022-12-13 11:28:55,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:28:55,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1288 transitions. [2022-12-13 11:28:55,029 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 429.3333333333333) internal successors, (1288), 3 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:55,034 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 909.0) internal successors, (3636), 4 states have internal predecessors, (3636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:55,035 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 909.0) internal successors, (3636), 4 states have internal predecessors, (3636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:55,035 INFO L175 Difference]: Start difference. First operand has 105 places, 104 transitions, 222 flow. Second operand 3 states and 1288 transitions. [2022-12-13 11:28:55,036 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 98 transitions, 316 flow [2022-12-13 11:28:55,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 98 transitions, 314 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 11:28:55,038 INFO L231 Difference]: Finished difference. Result has 100 places, 98 transitions, 210 flow [2022-12-13 11:28:55,038 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=909, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=210, PETRI_PLACES=100, PETRI_TRANSITIONS=98} [2022-12-13 11:28:55,039 INFO L288 CegarLoopForPetriNet]: 140 programPoint places, -40 predicate places. [2022-12-13 11:28:55,039 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 98 transitions, 210 flow [2022-12-13 11:28:55,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 412.0) internal successors, (1236), 3 states have internal predecessors, (1236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:55,040 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:28:55,040 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:28:55,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 11:28:55,041 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2022-12-13 11:28:55,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:28:55,041 INFO L85 PathProgramCache]: Analyzing trace with hash -918632895, now seen corresponding path program 1 times [2022-12-13 11:28:55,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:28:55,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801340418] [2022-12-13 11:28:55,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:28:55,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:28:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:28:55,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:28:55,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:28:55,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801340418] [2022-12-13 11:28:55,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801340418] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:28:55,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:28:55,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:28:55,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597355197] [2022-12-13 11:28:55,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:28:55,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:28:55,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:28:55,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:28:55,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:28:55,158 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 429 out of 909 [2022-12-13 11:28:55,159 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 98 transitions, 210 flow. Second operand has 3 states, 3 states have (on average 431.3333333333333) internal successors, (1294), 3 states have internal predecessors, (1294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:55,159 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:28:55,159 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 429 of 909 [2022-12-13 11:28:55,160 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:28:55,621 INFO L130 PetriNetUnfolder]: 2268/5136 cut-off events. [2022-12-13 11:28:55,622 INFO L131 PetriNetUnfolder]: For 320/320 co-relation queries the response was YES. [2022-12-13 11:28:55,626 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9149 conditions, 5136 events. 2268/5136 cut-off events. For 320/320 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 34444 event pairs, 395 based on Foata normal form. 0/4784 useless extension candidates. Maximal degree in co-relation 9144. Up to 2989 conditions per place. [2022-12-13 11:28:55,638 INFO L137 encePairwiseOnDemand]: 906/909 looper letters, 72 selfloop transitions, 2 changer transitions 0/119 dead transitions. [2022-12-13 11:28:55,638 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 119 transitions, 407 flow [2022-12-13 11:28:55,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:28:55,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 11:28:55,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1360 transitions. [2022-12-13 11:28:55,640 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4987165383204987 [2022-12-13 11:28:55,641 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1360 transitions. [2022-12-13 11:28:55,641 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1360 transitions. [2022-12-13 11:28:55,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:28:55,641 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1360 transitions. [2022-12-13 11:28:55,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 453.3333333333333) internal successors, (1360), 3 states have internal predecessors, (1360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:55,646 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 909.0) internal successors, (3636), 4 states have internal predecessors, (3636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:55,647 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 909.0) internal successors, (3636), 4 states have internal predecessors, (3636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:55,647 INFO L175 Difference]: Start difference. First operand has 100 places, 98 transitions, 210 flow. Second operand 3 states and 1360 transitions. [2022-12-13 11:28:55,647 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 119 transitions, 407 flow [2022-12-13 11:28:55,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 119 transitions, 406 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 11:28:55,649 INFO L231 Difference]: Finished difference. Result has 102 places, 99 transitions, 221 flow [2022-12-13 11:28:55,649 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=909, PETRI_DIFFERENCE_MINUEND_FLOW=209, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=221, PETRI_PLACES=102, PETRI_TRANSITIONS=99} [2022-12-13 11:28:55,649 INFO L288 CegarLoopForPetriNet]: 140 programPoint places, -38 predicate places. [2022-12-13 11:28:55,649 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 99 transitions, 221 flow [2022-12-13 11:28:55,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 431.3333333333333) internal successors, (1294), 3 states have internal predecessors, (1294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:55,650 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:28:55,650 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:28:55,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 11:28:55,650 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2022-12-13 11:28:55,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:28:55,651 INFO L85 PathProgramCache]: Analyzing trace with hash -473341733, now seen corresponding path program 1 times [2022-12-13 11:28:55,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:28:55,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247051380] [2022-12-13 11:28:55,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:28:55,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:28:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:28:55,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:28:55,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:28:55,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247051380] [2022-12-13 11:28:55,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247051380] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:28:55,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:28:55,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:28:55,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112738058] [2022-12-13 11:28:55,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:28:55,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:28:55,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:28:55,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:28:55,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:28:55,747 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 431 out of 909 [2022-12-13 11:28:55,750 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 99 transitions, 221 flow. Second operand has 3 states, 3 states have (on average 433.0) internal successors, (1299), 3 states have internal predecessors, (1299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:55,750 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:28:55,750 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 431 of 909 [2022-12-13 11:28:55,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:28:56,230 INFO L130 PetriNetUnfolder]: 2268/5147 cut-off events. [2022-12-13 11:28:56,230 INFO L131 PetriNetUnfolder]: For 428/428 co-relation queries the response was YES. [2022-12-13 11:28:56,234 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9307 conditions, 5147 events. 2268/5147 cut-off events. For 428/428 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 34709 event pairs, 1995 based on Foata normal form. 0/4829 useless extension candidates. Maximal degree in co-relation 9301. Up to 3743 conditions per place. [2022-12-13 11:28:56,245 INFO L137 encePairwiseOnDemand]: 906/909 looper letters, 53 selfloop transitions, 2 changer transitions 0/100 dead transitions. [2022-12-13 11:28:56,245 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 100 transitions, 333 flow [2022-12-13 11:28:56,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:28:56,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 11:28:56,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1347 transitions. [2022-12-13 11:28:56,248 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49394939493949397 [2022-12-13 11:28:56,248 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1347 transitions. [2022-12-13 11:28:56,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1347 transitions. [2022-12-13 11:28:56,248 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:28:56,248 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1347 transitions. [2022-12-13 11:28:56,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 449.0) internal successors, (1347), 3 states have internal predecessors, (1347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:56,253 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 909.0) internal successors, (3636), 4 states have internal predecessors, (3636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:56,254 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 909.0) internal successors, (3636), 4 states have internal predecessors, (3636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:56,254 INFO L175 Difference]: Start difference. First operand has 102 places, 99 transitions, 221 flow. Second operand 3 states and 1347 transitions. [2022-12-13 11:28:56,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 100 transitions, 333 flow [2022-12-13 11:28:56,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 100 transitions, 331 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 11:28:56,256 INFO L231 Difference]: Finished difference. Result has 104 places, 100 transitions, 231 flow [2022-12-13 11:28:56,256 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=909, PETRI_DIFFERENCE_MINUEND_FLOW=219, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=231, PETRI_PLACES=104, PETRI_TRANSITIONS=100} [2022-12-13 11:28:56,257 INFO L288 CegarLoopForPetriNet]: 140 programPoint places, -36 predicate places. [2022-12-13 11:28:56,257 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 100 transitions, 231 flow [2022-12-13 11:28:56,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 433.0) internal successors, (1299), 3 states have internal predecessors, (1299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:56,257 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:28:56,257 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:28:56,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 11:28:56,258 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2022-12-13 11:28:56,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:28:56,267 INFO L85 PathProgramCache]: Analyzing trace with hash -2018984489, now seen corresponding path program 1 times [2022-12-13 11:28:56,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:28:56,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031309494] [2022-12-13 11:28:56,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:28:56,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:28:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:28:56,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 11:28:56,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:28:56,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031309494] [2022-12-13 11:28:56,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031309494] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:28:56,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:28:56,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:28:56,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386930914] [2022-12-13 11:28:56,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:28:56,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:28:56,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:28:56,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:28:56,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:28:56,818 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 909 [2022-12-13 11:28:56,820 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 100 transitions, 231 flow. Second operand has 6 states, 6 states have (on average 423.8333333333333) internal successors, (2543), 6 states have internal predecessors, (2543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:56,820 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:28:56,820 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 909 [2022-12-13 11:28:56,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:28:58,114 INFO L130 PetriNetUnfolder]: 7676/13044 cut-off events. [2022-12-13 11:28:58,114 INFO L131 PetriNetUnfolder]: For 1026/1026 co-relation queries the response was YES. [2022-12-13 11:28:58,126 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25814 conditions, 13044 events. 7676/13044 cut-off events. For 1026/1026 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 88588 event pairs, 615 based on Foata normal form. 0/12098 useless extension candidates. Maximal degree in co-relation 25807. Up to 4312 conditions per place. [2022-12-13 11:28:58,152 INFO L137 encePairwiseOnDemand]: 904/909 looper letters, 235 selfloop transitions, 4 changer transitions 0/279 dead transitions. [2022-12-13 11:28:58,152 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 279 transitions, 1115 flow [2022-12-13 11:28:58,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:28:58,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 11:28:58,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2761 transitions. [2022-12-13 11:28:58,156 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5062339567290063 [2022-12-13 11:28:58,156 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2761 transitions. [2022-12-13 11:28:58,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2761 transitions. [2022-12-13 11:28:58,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:28:58,157 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2761 transitions. [2022-12-13 11:28:58,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 460.1666666666667) internal successors, (2761), 6 states have internal predecessors, (2761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:58,165 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 909.0) internal successors, (6363), 7 states have internal predecessors, (6363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:58,167 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 909.0) internal successors, (6363), 7 states have internal predecessors, (6363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:58,167 INFO L175 Difference]: Start difference. First operand has 104 places, 100 transitions, 231 flow. Second operand 6 states and 2761 transitions. [2022-12-13 11:28:58,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 279 transitions, 1115 flow [2022-12-13 11:28:58,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 279 transitions, 1111 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-12-13 11:28:58,170 INFO L231 Difference]: Finished difference. Result has 107 places, 99 transitions, 233 flow [2022-12-13 11:28:58,170 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=909, PETRI_DIFFERENCE_MINUEND_FLOW=225, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=233, PETRI_PLACES=107, PETRI_TRANSITIONS=99} [2022-12-13 11:28:58,171 INFO L288 CegarLoopForPetriNet]: 140 programPoint places, -33 predicate places. [2022-12-13 11:28:58,171 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 99 transitions, 233 flow [2022-12-13 11:28:58,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 423.8333333333333) internal successors, (2543), 6 states have internal predecessors, (2543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:58,172 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:28:58,172 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:28:58,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 11:28:58,172 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2022-12-13 11:28:58,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:28:58,172 INFO L85 PathProgramCache]: Analyzing trace with hash -556430456, now seen corresponding path program 1 times [2022-12-13 11:28:58,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:28:58,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596691196] [2022-12-13 11:28:58,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:28:58,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:28:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:28:58,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 11:28:58,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:28:58,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596691196] [2022-12-13 11:28:58,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596691196] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:28:58,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:28:58,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:28:58,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177341795] [2022-12-13 11:28:58,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:28:58,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:28:58,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:28:58,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:28:58,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:28:58,223 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 909 [2022-12-13 11:28:58,224 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 99 transitions, 233 flow. Second operand has 3 states, 3 states have (on average 419.0) internal successors, (1257), 3 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:58,224 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:28:58,225 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 909 [2022-12-13 11:28:58,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:28:58,637 INFO L130 PetriNetUnfolder]: 2268/4916 cut-off events. [2022-12-13 11:28:58,638 INFO L131 PetriNetUnfolder]: For 1066/1066 co-relation queries the response was YES. [2022-12-13 11:28:58,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9711 conditions, 4916 events. 2268/4916 cut-off events. For 1066/1066 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 31777 event pairs, 842 based on Foata normal form. 0/4599 useless extension candidates. Maximal degree in co-relation 9704. Up to 3597 conditions per place. [2022-12-13 11:28:58,651 INFO L137 encePairwiseOnDemand]: 901/909 looper letters, 68 selfloop transitions, 2 changer transitions 0/108 dead transitions. [2022-12-13 11:28:58,651 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 108 transitions, 395 flow [2022-12-13 11:28:58,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:28:58,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 11:28:58,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1321 transitions. [2022-12-13 11:28:58,654 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4844151081774844 [2022-12-13 11:28:58,654 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1321 transitions. [2022-12-13 11:28:58,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1321 transitions. [2022-12-13 11:28:58,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:28:58,655 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1321 transitions. [2022-12-13 11:28:58,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 440.3333333333333) internal successors, (1321), 3 states have internal predecessors, (1321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:58,662 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 909.0) internal successors, (3636), 4 states have internal predecessors, (3636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:58,663 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 909.0) internal successors, (3636), 4 states have internal predecessors, (3636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:58,663 INFO L175 Difference]: Start difference. First operand has 107 places, 99 transitions, 233 flow. Second operand 3 states and 1321 transitions. [2022-12-13 11:28:58,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 108 transitions, 395 flow [2022-12-13 11:28:58,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 108 transitions, 386 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 11:28:58,667 INFO L231 Difference]: Finished difference. Result has 100 places, 95 transitions, 228 flow [2022-12-13 11:28:58,667 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=909, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=228, PETRI_PLACES=100, PETRI_TRANSITIONS=95} [2022-12-13 11:28:58,668 INFO L288 CegarLoopForPetriNet]: 140 programPoint places, -40 predicate places. [2022-12-13 11:28:58,668 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 95 transitions, 228 flow [2022-12-13 11:28:58,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 419.0) internal successors, (1257), 3 states have internal predecessors, (1257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:58,669 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:28:58,669 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:28:58,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 11:28:58,669 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2022-12-13 11:28:58,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:28:58,669 INFO L85 PathProgramCache]: Analyzing trace with hash 478872877, now seen corresponding path program 1 times [2022-12-13 11:28:58,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:28:58,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063556538] [2022-12-13 11:28:58,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:28:58,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:28:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:28:58,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 11:28:58,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:28:58,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063556538] [2022-12-13 11:28:58,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063556538] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:28:58,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:28:58,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:28:58,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140045160] [2022-12-13 11:28:58,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:28:58,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:28:58,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:28:58,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:28:58,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:28:59,261 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 421 out of 909 [2022-12-13 11:28:59,263 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 95 transitions, 228 flow. Second operand has 6 states, 6 states have (on average 423.5) internal successors, (2541), 6 states have internal predecessors, (2541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:28:59,263 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:28:59,263 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 421 of 909 [2022-12-13 11:28:59,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:29:00,060 INFO L130 PetriNetUnfolder]: 3276/6405 cut-off events. [2022-12-13 11:29:00,061 INFO L131 PetriNetUnfolder]: For 502/502 co-relation queries the response was YES. [2022-12-13 11:29:00,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12554 conditions, 6405 events. 3276/6405 cut-off events. For 502/502 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 40258 event pairs, 1925 based on Foata normal form. 164/6218 useless extension candidates. Maximal degree in co-relation 12547. Up to 3744 conditions per place. [2022-12-13 11:29:00,103 INFO L137 encePairwiseOnDemand]: 903/909 looper letters, 207 selfloop transitions, 6 changer transitions 0/246 dead transitions. [2022-12-13 11:29:00,103 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 246 transitions, 992 flow [2022-12-13 11:29:00,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:29:00,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 11:29:00,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2731 transitions. [2022-12-13 11:29:00,109 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5007334066740007 [2022-12-13 11:29:00,109 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2731 transitions. [2022-12-13 11:29:00,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2731 transitions. [2022-12-13 11:29:00,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:29:00,111 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2731 transitions. [2022-12-13 11:29:00,114 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 455.1666666666667) internal successors, (2731), 6 states have internal predecessors, (2731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:29:00,120 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 909.0) internal successors, (6363), 7 states have internal predecessors, (6363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:29:00,121 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 909.0) internal successors, (6363), 7 states have internal predecessors, (6363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:29:00,121 INFO L175 Difference]: Start difference. First operand has 100 places, 95 transitions, 228 flow. Second operand 6 states and 2731 transitions. [2022-12-13 11:29:00,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 246 transitions, 992 flow [2022-12-13 11:29:00,123 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 246 transitions, 992 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 11:29:00,125 INFO L231 Difference]: Finished difference. Result has 104 places, 94 transitions, 238 flow [2022-12-13 11:29:00,126 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=909, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=238, PETRI_PLACES=104, PETRI_TRANSITIONS=94} [2022-12-13 11:29:00,126 INFO L288 CegarLoopForPetriNet]: 140 programPoint places, -36 predicate places. [2022-12-13 11:29:00,126 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 94 transitions, 238 flow [2022-12-13 11:29:00,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 423.5) internal successors, (2541), 6 states have internal predecessors, (2541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:29:00,128 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:29:00,128 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:29:00,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 11:29:00,128 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2022-12-13 11:29:00,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:29:00,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1307323209, now seen corresponding path program 1 times [2022-12-13 11:29:00,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:29:00,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971486074] [2022-12-13 11:29:00,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:29:00,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:29:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:29:00,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 11:29:00,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:29:00,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971486074] [2022-12-13 11:29:00,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971486074] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:29:00,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:29:00,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:29:00,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807785481] [2022-12-13 11:29:00,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:29:00,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:29:00,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:29:00,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:29:00,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:29:00,626 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 393 out of 909 [2022-12-13 11:29:00,628 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 94 transitions, 238 flow. Second operand has 6 states, 6 states have (on average 395.6666666666667) internal successors, (2374), 6 states have internal predecessors, (2374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:29:00,628 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:29:00,628 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 393 of 909 [2022-12-13 11:29:00,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:29:01,224 INFO L130 PetriNetUnfolder]: 3240/5640 cut-off events. [2022-12-13 11:29:01,224 INFO L131 PetriNetUnfolder]: For 1102/1102 co-relation queries the response was YES. [2022-12-13 11:29:01,229 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12194 conditions, 5640 events. 3240/5640 cut-off events. For 1102/1102 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 31425 event pairs, 1637 based on Foata normal form. 72/5335 useless extension candidates. Maximal degree in co-relation 12186. Up to 3204 conditions per place. [2022-12-13 11:29:01,238 INFO L137 encePairwiseOnDemand]: 878/909 looper letters, 97 selfloop transitions, 27 changer transitions 0/141 dead transitions. [2022-12-13 11:29:01,238 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 141 transitions, 632 flow [2022-12-13 11:29:01,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:29:01,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 11:29:01,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2478 transitions. [2022-12-13 11:29:01,244 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.45434543454345433 [2022-12-13 11:29:01,244 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2478 transitions. [2022-12-13 11:29:01,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2478 transitions. [2022-12-13 11:29:01,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:29:01,245 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2478 transitions. [2022-12-13 11:29:01,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 413.0) internal successors, (2478), 6 states have internal predecessors, (2478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:29:01,253 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 909.0) internal successors, (6363), 7 states have internal predecessors, (6363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:29:01,254 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 909.0) internal successors, (6363), 7 states have internal predecessors, (6363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:29:01,254 INFO L175 Difference]: Start difference. First operand has 104 places, 94 transitions, 238 flow. Second operand 6 states and 2478 transitions. [2022-12-13 11:29:01,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 141 transitions, 632 flow [2022-12-13 11:29:01,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 141 transitions, 604 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 11:29:01,257 INFO L231 Difference]: Finished difference. Result has 99 places, 89 transitions, 270 flow [2022-12-13 11:29:01,257 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=909, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=270, PETRI_PLACES=99, PETRI_TRANSITIONS=89} [2022-12-13 11:29:01,257 INFO L288 CegarLoopForPetriNet]: 140 programPoint places, -41 predicate places. [2022-12-13 11:29:01,257 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 89 transitions, 270 flow [2022-12-13 11:29:01,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 395.6666666666667) internal successors, (2374), 6 states have internal predecessors, (2374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:29:01,258 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:29:01,258 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] [2022-12-13 11:29:01,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 11:29:01,258 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 97 more)] === [2022-12-13 11:29:01,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:29:01,259 INFO L85 PathProgramCache]: Analyzing trace with hash -2102352203, now seen corresponding path program 1 times [2022-12-13 11:29:01,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:29:01,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643825048] [2022-12-13 11:29:01,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:29:01,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:29:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:29:01,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 11:29:01,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:29:01,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643825048] [2022-12-13 11:29:01,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643825048] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:29:01,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:29:01,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:29:01,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538364203] [2022-12-13 11:29:01,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:29:01,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:29:01,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:29:01,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:29:01,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:29:01,813 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 909 [2022-12-13 11:29:01,815 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 89 transitions, 270 flow. Second operand has 6 states, 6 states have (on average 424.3333333333333) internal successors, (2546), 6 states have internal predecessors, (2546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:29:01,815 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:29:01,815 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 909 [2022-12-13 11:29:01,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:29:02,485 INFO L130 PetriNetUnfolder]: 2604/5211 cut-off events. [2022-12-13 11:29:02,485 INFO L131 PetriNetUnfolder]: For 734/734 co-relation queries the response was YES. [2022-12-13 11:29:02,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11475 conditions, 5211 events. 2604/5211 cut-off events. For 734/734 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 32699 event pairs, 1847 based on Foata normal form. 0/4887 useless extension candidates. Maximal degree in co-relation 11467. Up to 3580 conditions per place. [2022-12-13 11:29:02,494 INFO L137 encePairwiseOnDemand]: 904/909 looper letters, 0 selfloop transitions, 0 changer transitions 232/232 dead transitions. [2022-12-13 11:29:02,494 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 232 transitions, 1106 flow [2022-12-13 11:29:02,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:29:02,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 11:29:02,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2725 transitions. [2022-12-13 11:29:02,497 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49963329666299966 [2022-12-13 11:29:02,497 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2725 transitions. [2022-12-13 11:29:02,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2725 transitions. [2022-12-13 11:29:02,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:29:02,498 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2725 transitions. [2022-12-13 11:29:02,500 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 454.1666666666667) internal successors, (2725), 6 states have internal predecessors, (2725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:29:02,504 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 909.0) internal successors, (6363), 7 states have internal predecessors, (6363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:29:02,505 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 909.0) internal successors, (6363), 7 states have internal predecessors, (6363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:29:02,505 INFO L175 Difference]: Start difference. First operand has 99 places, 89 transitions, 270 flow. Second operand 6 states and 2725 transitions. [2022-12-13 11:29:02,505 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 232 transitions, 1106 flow [2022-12-13 11:29:02,508 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 232 transitions, 956 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 11:29:02,509 INFO L231 Difference]: Finished difference. Result has 98 places, 0 transitions, 0 flow [2022-12-13 11:29:02,509 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=909, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=98, PETRI_TRANSITIONS=0} [2022-12-13 11:29:02,510 INFO L288 CegarLoopForPetriNet]: 140 programPoint places, -42 predicate places. [2022-12-13 11:29:02,510 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 0 transitions, 0 flow [2022-12-13 11:29:02,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 424.3333333333333) internal successors, (2546), 6 states have internal predecessors, (2546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:29:02,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (100 of 101 remaining) [2022-12-13 11:29:02,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (99 of 101 remaining) [2022-12-13 11:29:02,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (98 of 101 remaining) [2022-12-13 11:29:02,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (97 of 101 remaining) [2022-12-13 11:29:02,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (96 of 101 remaining) [2022-12-13 11:29:02,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (95 of 101 remaining) [2022-12-13 11:29:02,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (94 of 101 remaining) [2022-12-13 11:29:02,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (93 of 101 remaining) [2022-12-13 11:29:02,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (92 of 101 remaining) [2022-12-13 11:29:02,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (91 of 101 remaining) [2022-12-13 11:29:02,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (90 of 101 remaining) [2022-12-13 11:29:02,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (89 of 101 remaining) [2022-12-13 11:29:02,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (88 of 101 remaining) [2022-12-13 11:29:02,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (87 of 101 remaining) [2022-12-13 11:29:02,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (86 of 101 remaining) [2022-12-13 11:29:02,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (85 of 101 remaining) [2022-12-13 11:29:02,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (84 of 101 remaining) [2022-12-13 11:29:02,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (83 of 101 remaining) [2022-12-13 11:29:02,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (82 of 101 remaining) [2022-12-13 11:29:02,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (81 of 101 remaining) [2022-12-13 11:29:02,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (80 of 101 remaining) [2022-12-13 11:29:02,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (79 of 101 remaining) [2022-12-13 11:29:02,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (78 of 101 remaining) [2022-12-13 11:29:02,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (77 of 101 remaining) [2022-12-13 11:29:02,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (76 of 101 remaining) [2022-12-13 11:29:02,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (75 of 101 remaining) [2022-12-13 11:29:02,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (74 of 101 remaining) [2022-12-13 11:29:02,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (73 of 101 remaining) [2022-12-13 11:29:02,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (72 of 101 remaining) [2022-12-13 11:29:02,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (71 of 101 remaining) [2022-12-13 11:29:02,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (70 of 101 remaining) [2022-12-13 11:29:02,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (69 of 101 remaining) [2022-12-13 11:29:02,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (68 of 101 remaining) [2022-12-13 11:29:02,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (67 of 101 remaining) [2022-12-13 11:29:02,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (66 of 101 remaining) [2022-12-13 11:29:02,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (65 of 101 remaining) [2022-12-13 11:29:02,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (64 of 101 remaining) [2022-12-13 11:29:02,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (63 of 101 remaining) [2022-12-13 11:29:02,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (62 of 101 remaining) [2022-12-13 11:29:02,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (61 of 101 remaining) [2022-12-13 11:29:02,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (60 of 101 remaining) [2022-12-13 11:29:02,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (59 of 101 remaining) [2022-12-13 11:29:02,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (58 of 101 remaining) [2022-12-13 11:29:02,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (57 of 101 remaining) [2022-12-13 11:29:02,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (56 of 101 remaining) [2022-12-13 11:29:02,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (55 of 101 remaining) [2022-12-13 11:29:02,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (54 of 101 remaining) [2022-12-13 11:29:02,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (53 of 101 remaining) [2022-12-13 11:29:02,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (52 of 101 remaining) [2022-12-13 11:29:02,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (51 of 101 remaining) [2022-12-13 11:29:02,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (50 of 101 remaining) [2022-12-13 11:29:02,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (49 of 101 remaining) [2022-12-13 11:29:02,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (48 of 101 remaining) [2022-12-13 11:29:02,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (47 of 101 remaining) [2022-12-13 11:29:02,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (46 of 101 remaining) [2022-12-13 11:29:02,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (45 of 101 remaining) [2022-12-13 11:29:02,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (44 of 101 remaining) [2022-12-13 11:29:02,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (43 of 101 remaining) [2022-12-13 11:29:02,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (42 of 101 remaining) [2022-12-13 11:29:02,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (41 of 101 remaining) [2022-12-13 11:29:02,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (40 of 101 remaining) [2022-12-13 11:29:02,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (39 of 101 remaining) [2022-12-13 11:29:02,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (38 of 101 remaining) [2022-12-13 11:29:02,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (37 of 101 remaining) [2022-12-13 11:29:02,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (36 of 101 remaining) [2022-12-13 11:29:02,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (35 of 101 remaining) [2022-12-13 11:29:02,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (34 of 101 remaining) [2022-12-13 11:29:02,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (33 of 101 remaining) [2022-12-13 11:29:02,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (32 of 101 remaining) [2022-12-13 11:29:02,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (31 of 101 remaining) [2022-12-13 11:29:02,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (30 of 101 remaining) [2022-12-13 11:29:02,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (29 of 101 remaining) [2022-12-13 11:29:02,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (28 of 101 remaining) [2022-12-13 11:29:02,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (27 of 101 remaining) [2022-12-13 11:29:02,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (26 of 101 remaining) [2022-12-13 11:29:02,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (25 of 101 remaining) [2022-12-13 11:29:02,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (24 of 101 remaining) [2022-12-13 11:29:02,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (23 of 101 remaining) [2022-12-13 11:29:02,521 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (22 of 101 remaining) [2022-12-13 11:29:02,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (21 of 101 remaining) [2022-12-13 11:29:02,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (20 of 101 remaining) [2022-12-13 11:29:02,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (19 of 101 remaining) [2022-12-13 11:29:02,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (18 of 101 remaining) [2022-12-13 11:29:02,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (17 of 101 remaining) [2022-12-13 11:29:02,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (16 of 101 remaining) [2022-12-13 11:29:02,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (15 of 101 remaining) [2022-12-13 11:29:02,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (14 of 101 remaining) [2022-12-13 11:29:02,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (13 of 101 remaining) [2022-12-13 11:29:02,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (12 of 101 remaining) [2022-12-13 11:29:02,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (11 of 101 remaining) [2022-12-13 11:29:02,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (10 of 101 remaining) [2022-12-13 11:29:02,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (9 of 101 remaining) [2022-12-13 11:29:02,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (8 of 101 remaining) [2022-12-13 11:29:02,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (7 of 101 remaining) [2022-12-13 11:29:02,522 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err29ASSERT_VIOLATIONDATA_RACE (6 of 101 remaining) [2022-12-13 11:29:02,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err30ASSERT_VIOLATIONDATA_RACE (5 of 101 remaining) [2022-12-13 11:29:02,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err31ASSERT_VIOLATIONDATA_RACE (4 of 101 remaining) [2022-12-13 11:29:02,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err32ASSERT_VIOLATIONDATA_RACE (3 of 101 remaining) [2022-12-13 11:29:02,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err33ASSERT_VIOLATIONDATA_RACE (2 of 101 remaining) [2022-12-13 11:29:02,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err34ASSERT_VIOLATIONDATA_RACE (1 of 101 remaining) [2022-12-13 11:29:02,523 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err35ASSERT_VIOLATIONDATA_RACE (0 of 101 remaining) [2022-12-13 11:29:02,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 11:29:02,523 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:29:02,528 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 11:29:02,528 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 11:29:02,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 11:29:02 BasicIcfg [2022-12-13 11:29:02,531 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 11:29:02,531 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:29:02,531 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:29:02,532 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:29:02,532 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:28:45" (3/4) ... [2022-12-13 11:29:02,534 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 11:29:02,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 11:29:02,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 11:29:02,542 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-12-13 11:29:02,542 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 11:29:02,542 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 11:29:02,542 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 11:29:02,573 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810366b-c71e-45d5-b872-77db5e91f167/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 11:29:02,573 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:29:02,574 INFO L158 Benchmark]: Toolchain (without parser) took 17663.33ms. Allocated memory was 159.4MB in the beginning and 555.7MB in the end (delta: 396.4MB). Free memory was 124.0MB in the beginning and 115.2MB in the end (delta: 8.8MB). Peak memory consumption was 406.4MB. Max. memory is 16.1GB. [2022-12-13 11:29:02,574 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 159.4MB. Free memory is still 125.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:29:02,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 192.18ms. Allocated memory is still 159.4MB. Free memory was 124.0MB in the beginning and 111.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 11:29:02,575 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.24ms. Allocated memory is still 159.4MB. Free memory was 111.0MB in the beginning and 107.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 11:29:02,575 INFO L158 Benchmark]: Boogie Preprocessor took 28.93ms. Allocated memory is still 159.4MB. Free memory was 107.9MB in the beginning and 105.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:29:02,575 INFO L158 Benchmark]: RCFGBuilder took 632.82ms. Allocated memory is still 159.4MB. Free memory was 105.2MB in the beginning and 73.2MB in the end (delta: 32.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-12-13 11:29:02,576 INFO L158 Benchmark]: TraceAbstraction took 16725.46ms. Allocated memory was 159.4MB in the beginning and 555.7MB in the end (delta: 396.4MB). Free memory was 72.2MB in the beginning and 119.4MB in the end (delta: -47.2MB). Peak memory consumption was 368.6MB. Max. memory is 16.1GB. [2022-12-13 11:29:02,576 INFO L158 Benchmark]: Witness Printer took 42.01ms. Allocated memory is still 555.7MB. Free memory was 118.3MB in the beginning and 115.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:29:02,577 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 159.4MB. Free memory is still 125.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 192.18ms. Allocated memory is still 159.4MB. Free memory was 124.0MB in the beginning and 111.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.24ms. Allocated memory is still 159.4MB. Free memory was 111.0MB in the beginning and 107.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.93ms. Allocated memory is still 159.4MB. Free memory was 107.9MB in the beginning and 105.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 632.82ms. Allocated memory is still 159.4MB. Free memory was 105.2MB in the beginning and 73.2MB in the end (delta: 32.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 16725.46ms. Allocated memory was 159.4MB in the beginning and 555.7MB in the end (delta: 396.4MB). Free memory was 72.2MB in the beginning and 119.4MB in the end (delta: -47.2MB). Peak memory consumption was 368.6MB. Max. memory is 16.1GB. * Witness Printer took 42.01ms. Allocated memory is still 555.7MB. Free memory was 118.3MB in the beginning and 115.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.9s, 419 PlacesBefore, 140 PlacesAfterwards, 434 TransitionsBefore, 144 TransitionsAfterwards, 35316 CoEnabledTransitionPairs, 8 FixpointIterations, 127 TrivialSequentialCompositions, 252 ConcurrentSequentialCompositions, 17 TrivialYvCompositions, 48 ConcurrentYvCompositions, 11 ChoiceCompositions, 455 TotalNumberOfCompositions, 131516 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 41989, independent: 40463, independent conditional: 0, independent unconditional: 40463, dependent: 1526, dependent conditional: 0, dependent unconditional: 1526, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 19707, independent: 19430, independent conditional: 0, independent unconditional: 19430, dependent: 277, dependent conditional: 0, dependent unconditional: 277, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 41989, independent: 21033, independent conditional: 0, independent unconditional: 21033, dependent: 1249, dependent conditional: 0, dependent unconditional: 1249, unknown: 19707, unknown conditional: 0, unknown unconditional: 19707] , Statistics on independence cache: Total cache size (in pairs): 1351, Positive cache size: 1240, Positive conditional cache size: 0, Positive unconditional cache size: 1240, Negative cache size: 111, Negative conditional cache size: 0, Negative unconditional cache size: 111, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: 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: 67]: 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: 69]: 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: 70]: 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: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: 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: 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 - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: 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, 708 locations, 101 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: 16.6s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1804 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1125 mSDsluCounter, 114 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 643 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3678 IncrementalHoareTripleChecker+Invalid, 4321 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 643 mSolverCounterUnsat, 114 mSDtfsCounter, 3678 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=300occurred in iteration=0, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 537 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 5/5 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 55 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 11:29:02,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d810366b-c71e-45d5-b872-77db5e91f167/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE