./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-min-array.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_03bbebd7-4d0c-49ef-b559-13c67dd09b3a/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03bbebd7-4d0c-49ef-b559-13c67dd09b3a/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_03bbebd7-4d0c-49ef-b559-13c67dd09b3a/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03bbebd7-4d0c-49ef-b559-13c67dd09b3a/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-min-array.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03bbebd7-4d0c-49ef-b559-13c67dd09b3a/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_03bbebd7-4d0c-49ef-b559-13c67dd09b3a/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 9abac63211b9980a3b9079d9eb140a85fbc6c5adec6517ed998cc9e140b19342 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 18:49:42,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:49:42,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:49:42,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:49:42,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:49:42,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:49:42,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:49:42,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:49:42,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:49:42,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:49:42,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:49:42,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:49:42,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:49:42,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:49:42,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:49:42,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:49:42,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:49:42,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:49:42,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:49:42,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:49:42,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:49:42,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:49:42,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:49:42,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:49:42,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:49:42,891 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:49:42,891 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:49:42,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:49:42,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:49:42,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:49:42,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:49:42,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:49:42,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:49:42,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:49:42,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:49:42,896 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:49:42,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:49:42,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:49:42,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:49:42,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:49:42,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:49:42,899 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03bbebd7-4d0c-49ef-b559-13c67dd09b3a/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 18:49:42,913 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:49:42,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:49:42,913 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:49:42,913 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:49:42,914 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:49:42,914 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:49:42,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:49:42,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:49:42,915 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:49:42,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:49:42,915 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 18:49:42,915 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:49:42,915 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:49:42,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 18:49:42,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:49:42,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:49:42,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:49:42,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:49:42,916 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 18:49:42,916 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 18:49:42,916 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:49:42,916 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:49:42,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:49:42,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:49:42,917 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:49:42,917 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:49:42,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:49:42,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:49:42,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:49:42,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:49:42,917 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:49:42,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:49:42,918 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:49:42,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:49:42,918 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:49:42,918 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:49:42,918 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:49:42,918 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_03bbebd7-4d0c-49ef-b559-13c67dd09b3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03bbebd7-4d0c-49ef-b559-13c67dd09b3a/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9abac63211b9980a3b9079d9eb140a85fbc6c5adec6517ed998cc9e140b19342 [2022-12-13 18:49:43,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:49:43,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:49:43,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:49:43,134 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:49:43,134 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:49:43,135 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03bbebd7-4d0c-49ef-b559-13c67dd09b3a/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/popl20-more-min-array.wvr.c [2022-12-13 18:49:45,704 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:49:45,831 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:49:45,831 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03bbebd7-4d0c-49ef-b559-13c67dd09b3a/sv-benchmarks/c/weaver/popl20-more-min-array.wvr.c [2022-12-13 18:49:45,836 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03bbebd7-4d0c-49ef-b559-13c67dd09b3a/bin/uautomizer-uyxdKDjOR8/data/d2871a657/dca194d6c30d4b03ba3dc63c14e746ea/FLAGdcc760be1 [2022-12-13 18:49:45,846 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03bbebd7-4d0c-49ef-b559-13c67dd09b3a/bin/uautomizer-uyxdKDjOR8/data/d2871a657/dca194d6c30d4b03ba3dc63c14e746ea [2022-12-13 18:49:45,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:49:45,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:49:45,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:49:45,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:49:45,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:49:45,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:49:45" (1/1) ... [2022-12-13 18:49:45,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b25d48b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:49:45, skipping insertion in model container [2022-12-13 18:49:45,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:49:45" (1/1) ... [2022-12-13 18:49:45,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:49:45,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:49:45,983 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:49:45,986 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:49:45,989 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:49:45,991 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:49:45,993 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:49:45,995 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:49:46,001 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_03bbebd7-4d0c-49ef-b559-13c67dd09b3a/sv-benchmarks/c/weaver/popl20-more-min-array.wvr.c[2553,2566] [2022-12-13 18:49:46,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:49:46,012 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:49:46,021 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:49:46,023 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:49:46,024 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:49:46,026 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:49:46,027 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:49:46,028 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:49:46,034 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_03bbebd7-4d0c-49ef-b559-13c67dd09b3a/sv-benchmarks/c/weaver/popl20-more-min-array.wvr.c[2553,2566] [2022-12-13 18:49:46,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:49:46,047 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:49:46,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:49:46 WrapperNode [2022-12-13 18:49:46,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:49:46,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:49:46,048 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:49:46,048 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:49:46,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:49:46" (1/1) ... [2022-12-13 18:49:46,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:49:46" (1/1) ... [2022-12-13 18:49:46,080 INFO L138 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 151 [2022-12-13 18:49:46,080 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:49:46,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:49:46,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:49:46,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:49:46,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:49:46" (1/1) ... [2022-12-13 18:49:46,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:49:46" (1/1) ... [2022-12-13 18:49:46,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:49:46" (1/1) ... [2022-12-13 18:49:46,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:49:46" (1/1) ... [2022-12-13 18:49:46,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:49:46" (1/1) ... [2022-12-13 18:49:46,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:49:46" (1/1) ... [2022-12-13 18:49:46,104 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:49:46" (1/1) ... [2022-12-13 18:49:46,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:49:46" (1/1) ... [2022-12-13 18:49:46,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:49:46,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:49:46,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:49:46,108 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:49:46,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:49:46" (1/1) ... [2022-12-13 18:49:46,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:49:46,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03bbebd7-4d0c-49ef-b559-13c67dd09b3a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:49:46,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03bbebd7-4d0c-49ef-b559-13c67dd09b3a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:49:46,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03bbebd7-4d0c-49ef-b559-13c67dd09b3a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:49:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:49:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 18:49:46,161 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 18:49:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 18:49:46,161 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 18:49:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-13 18:49:46,161 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-13 18:49:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:49:46,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 18:49:46,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 18:49:46,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 18:49:46,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 18:49:46,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 18:49:46,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:49:46,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:49:46,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 18:49:46,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 18:49:46,163 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 18:49:46,242 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:49:46,244 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:49:46,648 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:49:46,775 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:49:46,775 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 18:49:46,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:49:46 BoogieIcfgContainer [2022-12-13 18:49:46,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:49:46,779 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:49:46,779 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:49:46,782 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:49:46,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:49:45" (1/3) ... [2022-12-13 18:49:46,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e30d92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:49:46, skipping insertion in model container [2022-12-13 18:49:46,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:49:46" (2/3) ... [2022-12-13 18:49:46,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e30d92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:49:46, skipping insertion in model container [2022-12-13 18:49:46,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:49:46" (3/3) ... [2022-12-13 18:49:46,784 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-min-array.wvr.c [2022-12-13 18:49:46,790 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 18:49:46,798 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:49:46,798 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 35 error locations. [2022-12-13 18:49:46,798 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 18:49:46,847 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-13 18:49:46,875 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 243 places, 246 transitions, 516 flow [2022-12-13 18:49:46,929 INFO L130 PetriNetUnfolder]: 13/243 cut-off events. [2022-12-13 18:49:46,930 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 18:49:46,934 INFO L83 FinitePrefix]: Finished finitePrefix Result has 256 conditions, 243 events. 13/243 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 275 event pairs, 0 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 170. Up to 2 conditions per place. [2022-12-13 18:49:46,934 INFO L82 GeneralOperation]: Start removeDead. Operand has 243 places, 246 transitions, 516 flow [2022-12-13 18:49:46,939 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 221 places, 223 transitions, 464 flow [2022-12-13 18:49:46,942 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 18:49:46,949 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 221 places, 223 transitions, 464 flow [2022-12-13 18:49:46,951 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 221 places, 223 transitions, 464 flow [2022-12-13 18:49:46,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 221 places, 223 transitions, 464 flow [2022-12-13 18:49:46,983 INFO L130 PetriNetUnfolder]: 12/223 cut-off events. [2022-12-13 18:49:46,983 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 18:49:46,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 223 events. 12/223 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 267 event pairs, 0 based on Foata normal form. 0/177 useless extension candidates. Maximal degree in co-relation 170. Up to 2 conditions per place. [2022-12-13 18:49:46,993 INFO L119 LiptonReduction]: Number of co-enabled transitions 5292 [2022-12-13 18:49:56,115 INFO L134 LiptonReduction]: Checked pairs total: 36177 [2022-12-13 18:49:56,115 INFO L136 LiptonReduction]: Total number of compositions: 213 [2022-12-13 18:49:56,125 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:49:56,130 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;@4d481c16, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:49:56,130 INFO L358 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2022-12-13 18:49:56,131 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 18:49:56,132 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 18:49:56,132 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:49:56,132 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 18:49:56,133 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-12-13 18:49:56,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:49:56,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1064, now seen corresponding path program 1 times [2022-12-13 18:49:56,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:49:56,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395125488] [2022-12-13 18:49:56,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:49:56,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:49:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:56,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:49:56,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:49:56,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395125488] [2022-12-13 18:49:56,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395125488] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:49:56,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:49:56,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 18:49:56,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439717254] [2022-12-13 18:49:56,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:49:56,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 18:49:56,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:49:56,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 18:49:56,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 18:49:56,241 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 459 [2022-12-13 18:49:56,243 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 80 transitions, 178 flow. Second operand has 2 states, 2 states have (on average 210.5) internal successors, (421), 2 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:56,243 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:49:56,244 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 459 [2022-12-13 18:49:56,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:49:56,422 INFO L130 PetriNetUnfolder]: 333/802 cut-off events. [2022-12-13 18:49:56,422 INFO L131 PetriNetUnfolder]: For 46/46 co-relation queries the response was YES. [2022-12-13 18:49:56,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1314 conditions, 802 events. 333/802 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 4826 event pairs, 176 based on Foata normal form. 155/785 useless extension candidates. Maximal degree in co-relation 1080. Up to 461 conditions per place. [2022-12-13 18:49:56,431 INFO L137 encePairwiseOnDemand]: 428/459 looper letters, 21 selfloop transitions, 0 changer transitions 1/49 dead transitions. [2022-12-13 18:49:56,431 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 49 transitions, 160 flow [2022-12-13 18:49:56,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 18:49:56,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 18:49:56,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 473 transitions. [2022-12-13 18:49:56,445 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5152505446623094 [2022-12-13 18:49:56,446 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 473 transitions. [2022-12-13 18:49:56,446 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 473 transitions. [2022-12-13 18:49:56,448 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:49:56,450 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 473 transitions. [2022-12-13 18:49:56,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 236.5) internal successors, (473), 2 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:56,460 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 459.0) internal successors, (1377), 3 states have internal predecessors, (1377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:56,461 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 459.0) internal successors, (1377), 3 states have internal predecessors, (1377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:56,463 INFO L175 Difference]: Start difference. First operand has 83 places, 80 transitions, 178 flow. Second operand 2 states and 473 transitions. [2022-12-13 18:49:56,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 49 transitions, 160 flow [2022-12-13 18:49:56,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 49 transitions, 148 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-12-13 18:49:56,469 INFO L231 Difference]: Finished difference. Result has 50 places, 48 transitions, 101 flow [2022-12-13 18:49:56,471 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=101, PETRI_PLACES=50, PETRI_TRANSITIONS=48} [2022-12-13 18:49:56,474 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, -33 predicate places. [2022-12-13 18:49:56,474 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 48 transitions, 101 flow [2022-12-13 18:49:56,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 210.5) internal successors, (421), 2 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:56,475 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:49:56,475 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 18:49:56,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:49:56,476 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-12-13 18:49:56,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:49:56,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1552186885, now seen corresponding path program 1 times [2022-12-13 18:49:56,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:49:56,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602915781] [2022-12-13 18:49:56,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:49:56,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:49:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:56,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:49:56,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:49:56,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602915781] [2022-12-13 18:49:56,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602915781] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:49:56,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:49:56,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:49:56,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202550798] [2022-12-13 18:49:56,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:49:56,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:49:56,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:49:56,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:49:56,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:49:56,602 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 459 [2022-12-13 18:49:56,603 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 48 transitions, 101 flow. Second operand has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:56,603 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:49:56,603 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 459 [2022-12-13 18:49:56,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:49:56,777 INFO L130 PetriNetUnfolder]: 579/1103 cut-off events. [2022-12-13 18:49:56,777 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2022-12-13 18:49:56,779 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1935 conditions, 1103 events. 579/1103 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 5985 event pairs, 364 based on Foata normal form. 0/923 useless extension candidates. Maximal degree in co-relation 1932. Up to 808 conditions per place. [2022-12-13 18:49:56,784 INFO L137 encePairwiseOnDemand]: 456/459 looper letters, 23 selfloop transitions, 1 changer transitions 0/46 dead transitions. [2022-12-13 18:49:56,784 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 46 transitions, 145 flow [2022-12-13 18:49:56,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:49:56,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 18:49:56,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 617 transitions. [2022-12-13 18:49:56,787 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4480755265068991 [2022-12-13 18:49:56,787 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 617 transitions. [2022-12-13 18:49:56,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 617 transitions. [2022-12-13 18:49:56,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:49:56,788 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 617 transitions. [2022-12-13 18:49:56,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 205.66666666666666) internal successors, (617), 3 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:56,794 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 459.0) internal successors, (1836), 4 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:56,795 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 459.0) internal successors, (1836), 4 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:56,795 INFO L175 Difference]: Start difference. First operand has 50 places, 48 transitions, 101 flow. Second operand 3 states and 617 transitions. [2022-12-13 18:49:56,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 46 transitions, 145 flow [2022-12-13 18:49:56,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 46 transitions, 145 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 18:49:56,797 INFO L231 Difference]: Finished difference. Result has 49 places, 46 transitions, 99 flow [2022-12-13 18:49:56,797 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=99, PETRI_PLACES=49, PETRI_TRANSITIONS=46} [2022-12-13 18:49:56,797 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, -34 predicate places. [2022-12-13 18:49:56,798 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 46 transitions, 99 flow [2022-12-13 18:49:56,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:56,798 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:49:56,798 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:49:56,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 18:49:56,799 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-12-13 18:49:56,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:49:56,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1514981762, now seen corresponding path program 1 times [2022-12-13 18:49:56,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:49:56,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484087656] [2022-12-13 18:49:56,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:49:56,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:49:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:56,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:49:56,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:49:56,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484087656] [2022-12-13 18:49:56,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484087656] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:49:56,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:49:56,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:49:56,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18510363] [2022-12-13 18:49:56,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:49:56,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:49:56,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:49:56,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:49:56,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:49:56,870 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 459 [2022-12-13 18:49:56,871 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 46 transitions, 99 flow. Second operand has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:56,871 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:49:56,872 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 459 [2022-12-13 18:49:56,872 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:49:57,027 INFO L130 PetriNetUnfolder]: 622/1178 cut-off events. [2022-12-13 18:49:57,027 INFO L131 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2022-12-13 18:49:57,028 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2084 conditions, 1178 events. 622/1178 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 6183 event pairs, 418 based on Foata normal form. 0/965 useless extension candidates. Maximal degree in co-relation 2080. Up to 874 conditions per place. [2022-12-13 18:49:57,033 INFO L137 encePairwiseOnDemand]: 456/459 looper letters, 23 selfloop transitions, 1 changer transitions 0/44 dead transitions. [2022-12-13 18:49:57,033 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 44 transitions, 143 flow [2022-12-13 18:49:57,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:49:57,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 18:49:57,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 617 transitions. [2022-12-13 18:49:57,036 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4480755265068991 [2022-12-13 18:49:57,036 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 617 transitions. [2022-12-13 18:49:57,036 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 617 transitions. [2022-12-13 18:49:57,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:49:57,037 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 617 transitions. [2022-12-13 18:49:57,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 205.66666666666666) internal successors, (617), 3 states have internal predecessors, (617), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:57,041 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 459.0) internal successors, (1836), 4 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:57,042 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 459.0) internal successors, (1836), 4 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:57,042 INFO L175 Difference]: Start difference. First operand has 49 places, 46 transitions, 99 flow. Second operand 3 states and 617 transitions. [2022-12-13 18:49:57,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 44 transitions, 143 flow [2022-12-13 18:49:57,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 44 transitions, 142 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 18:49:57,043 INFO L231 Difference]: Finished difference. Result has 48 places, 44 transitions, 96 flow [2022-12-13 18:49:57,043 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=48, PETRI_TRANSITIONS=44} [2022-12-13 18:49:57,044 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, -35 predicate places. [2022-12-13 18:49:57,044 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 44 transitions, 96 flow [2022-12-13 18:49:57,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:57,045 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:49:57,045 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:49:57,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 18:49:57,045 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-12-13 18:49:57,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:49:57,046 INFO L85 PathProgramCache]: Analyzing trace with hash -978736971, now seen corresponding path program 1 times [2022-12-13 18:49:57,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:49:57,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532484025] [2022-12-13 18:49:57,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:49:57,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:49:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:57,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:49:57,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:49:57,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532484025] [2022-12-13 18:49:57,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532484025] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:49:57,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:49:57,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:49:57,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596424747] [2022-12-13 18:49:57,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:49:57,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:49:57,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:49:57,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:49:57,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:49:57,198 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 459 [2022-12-13 18:49:57,198 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 44 transitions, 96 flow. Second operand has 3 states, 3 states have (on average 207.66666666666666) internal successors, (623), 3 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:57,198 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:49:57,198 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 459 [2022-12-13 18:49:57,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:49:57,308 INFO L130 PetriNetUnfolder]: 333/761 cut-off events. [2022-12-13 18:49:57,308 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2022-12-13 18:49:57,309 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1244 conditions, 761 events. 333/761 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 4363 event pairs, 176 based on Foata normal form. 1/607 useless extension candidates. Maximal degree in co-relation 1240. Up to 460 conditions per place. [2022-12-13 18:49:57,311 INFO L137 encePairwiseOnDemand]: 456/459 looper letters, 20 selfloop transitions, 2 changer transitions 0/45 dead transitions. [2022-12-13 18:49:57,311 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 45 transitions, 142 flow [2022-12-13 18:49:57,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:49:57,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 18:49:57,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 638 transitions. [2022-12-13 18:49:57,313 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.46332607116920843 [2022-12-13 18:49:57,313 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 638 transitions. [2022-12-13 18:49:57,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 638 transitions. [2022-12-13 18:49:57,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:49:57,313 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 638 transitions. [2022-12-13 18:49:57,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 212.66666666666666) internal successors, (638), 3 states have internal predecessors, (638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:57,316 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 459.0) internal successors, (1836), 4 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:57,316 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 459.0) internal successors, (1836), 4 states have internal predecessors, (1836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:57,317 INFO L175 Difference]: Start difference. First operand has 48 places, 44 transitions, 96 flow. Second operand 3 states and 638 transitions. [2022-12-13 18:49:57,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 45 transitions, 142 flow [2022-12-13 18:49:57,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 45 transitions, 141 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 18:49:57,318 INFO L231 Difference]: Finished difference. Result has 50 places, 45 transitions, 107 flow [2022-12-13 18:49:57,318 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=107, PETRI_PLACES=50, PETRI_TRANSITIONS=45} [2022-12-13 18:49:57,318 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, -33 predicate places. [2022-12-13 18:49:57,318 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 45 transitions, 107 flow [2022-12-13 18:49:57,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.66666666666666) internal successors, (623), 3 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:57,319 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:49:57,319 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:49:57,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 18:49:57,319 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-12-13 18:49:57,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:49:57,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1264787665, now seen corresponding path program 1 times [2022-12-13 18:49:57,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:49:57,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970121308] [2022-12-13 18:49:57,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:49:57,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:49:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:57,621 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 18:49:57,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:49:57,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970121308] [2022-12-13 18:49:57,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970121308] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:49:57,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:49:57,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:49:57,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792062442] [2022-12-13 18:49:57,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:49:57,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 18:49:57,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:49:57,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 18:49:57,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:49:57,758 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 459 [2022-12-13 18:49:57,759 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 45 transitions, 107 flow. Second operand has 6 states, 6 states have (on average 199.16666666666666) internal successors, (1195), 6 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:57,760 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:49:57,760 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 459 [2022-12-13 18:49:57,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:49:58,104 INFO L130 PetriNetUnfolder]: 849/1241 cut-off events. [2022-12-13 18:49:58,105 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 18:49:58,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2390 conditions, 1241 events. 849/1241 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 5666 event pairs, 73 based on Foata normal form. 0/1076 useless extension candidates. Maximal degree in co-relation 2385. Up to 402 conditions per place. [2022-12-13 18:49:58,110 INFO L137 encePairwiseOnDemand]: 454/459 looper letters, 54 selfloop transitions, 4 changer transitions 0/76 dead transitions. [2022-12-13 18:49:58,110 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 76 transitions, 285 flow [2022-12-13 18:49:58,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 18:49:58,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 18:49:58,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1240 transitions. [2022-12-13 18:49:58,113 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4502541757443718 [2022-12-13 18:49:58,113 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1240 transitions. [2022-12-13 18:49:58,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1240 transitions. [2022-12-13 18:49:58,113 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:49:58,113 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1240 transitions. [2022-12-13 18:49:58,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 206.66666666666666) internal successors, (1240), 6 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:58,118 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 459.0) internal successors, (3213), 7 states have internal predecessors, (3213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:58,119 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 459.0) internal successors, (3213), 7 states have internal predecessors, (3213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:58,119 INFO L175 Difference]: Start difference. First operand has 50 places, 45 transitions, 107 flow. Second operand 6 states and 1240 transitions. [2022-12-13 18:49:58,119 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 76 transitions, 285 flow [2022-12-13 18:49:58,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 76 transitions, 281 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-12-13 18:49:58,120 INFO L231 Difference]: Finished difference. Result has 53 places, 44 transitions, 109 flow [2022-12-13 18:49:58,120 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=109, PETRI_PLACES=53, PETRI_TRANSITIONS=44} [2022-12-13 18:49:58,121 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, -30 predicate places. [2022-12-13 18:49:58,121 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 44 transitions, 109 flow [2022-12-13 18:49:58,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 199.16666666666666) internal successors, (1195), 6 states have internal predecessors, (1195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:58,121 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:49:58,121 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:49:58,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 18:49:58,122 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-12-13 18:49:58,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:49:58,122 INFO L85 PathProgramCache]: Analyzing trace with hash 220508132, now seen corresponding path program 1 times [2022-12-13 18:49:58,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:49:58,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168527026] [2022-12-13 18:49:58,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:49:58,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:49:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:58,196 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:49:58,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:49:58,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168527026] [2022-12-13 18:49:58,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168527026] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:49:58,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961970300] [2022-12-13 18:49:58,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:49:58,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 18:49:58,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03bbebd7-4d0c-49ef-b559-13c67dd09b3a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:49:58,198 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03bbebd7-4d0c-49ef-b559-13c67dd09b3a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 18:49:58,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03bbebd7-4d0c-49ef-b559-13c67dd09b3a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 18:49:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:58,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 18:49:58,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:49:58,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:49:58,340 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:49:58,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:49:58,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [961970300] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 18:49:58,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-13 18:49:58,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8 [2022-12-13 18:49:58,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402079466] [2022-12-13 18:49:58,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:49:58,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 18:49:58,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:49:58,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 18:49:58,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-12-13 18:49:58,419 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 459 [2022-12-13 18:49:58,421 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 44 transitions, 109 flow. Second operand has 5 states, 5 states have (on average 200.6) internal successors, (1003), 5 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:58,421 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:49:58,421 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 459 [2022-12-13 18:49:58,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:49:58,581 INFO L130 PetriNetUnfolder]: 376/751 cut-off events. [2022-12-13 18:49:58,581 INFO L131 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2022-12-13 18:49:58,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1420 conditions, 751 events. 376/751 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 3752 event pairs, 101 based on Foata normal form. 0/676 useless extension candidates. Maximal degree in co-relation 1415. Up to 319 conditions per place. [2022-12-13 18:49:58,586 INFO L137 encePairwiseOnDemand]: 453/459 looper letters, 29 selfloop transitions, 5 changer transitions 0/55 dead transitions. [2022-12-13 18:49:58,586 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 55 transitions, 203 flow [2022-12-13 18:49:58,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 18:49:58,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 18:49:58,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1025 transitions. [2022-12-13 18:49:58,590 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4466230936819172 [2022-12-13 18:49:58,590 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1025 transitions. [2022-12-13 18:49:58,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1025 transitions. [2022-12-13 18:49:58,591 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:49:58,591 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1025 transitions. [2022-12-13 18:49:58,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 205.0) internal successors, (1025), 5 states have internal predecessors, (1025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:58,596 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 459.0) internal successors, (2754), 6 states have internal predecessors, (2754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:58,597 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 459.0) internal successors, (2754), 6 states have internal predecessors, (2754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:58,597 INFO L175 Difference]: Start difference. First operand has 53 places, 44 transitions, 109 flow. Second operand 5 states and 1025 transitions. [2022-12-13 18:49:58,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 55 transitions, 203 flow [2022-12-13 18:49:58,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 55 transitions, 194 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 18:49:58,599 INFO L231 Difference]: Finished difference. Result has 55 places, 45 transitions, 125 flow [2022-12-13 18:49:58,600 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=125, PETRI_PLACES=55, PETRI_TRANSITIONS=45} [2022-12-13 18:49:58,600 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, -28 predicate places. [2022-12-13 18:49:58,600 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 45 transitions, 125 flow [2022-12-13 18:49:58,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 200.6) internal successors, (1003), 5 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:58,601 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:49:58,601 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:49:58,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03bbebd7-4d0c-49ef-b559-13c67dd09b3a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 18:49:58,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03bbebd7-4d0c-49ef-b559-13c67dd09b3a/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-13 18:49:58,802 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-12-13 18:49:58,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:49:58,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1545916381, now seen corresponding path program 1 times [2022-12-13 18:49:58,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:49:58,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704411997] [2022-12-13 18:49:58,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:49:58,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:49:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:59,081 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 18:49:59,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:49:59,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704411997] [2022-12-13 18:49:59,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704411997] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:49:59,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:49:59,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:49:59,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634373959] [2022-12-13 18:49:59,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:49:59,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 18:49:59,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:49:59,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 18:49:59,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:49:59,240 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 459 [2022-12-13 18:49:59,241 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 45 transitions, 125 flow. Second operand has 6 states, 6 states have (on average 200.0) internal successors, (1200), 6 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:59,242 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:49:59,242 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 459 [2022-12-13 18:49:59,242 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:49:59,585 INFO L130 PetriNetUnfolder]: 396/768 cut-off events. [2022-12-13 18:49:59,585 INFO L131 PetriNetUnfolder]: For 211/255 co-relation queries the response was YES. [2022-12-13 18:49:59,587 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1551 conditions, 768 events. 396/768 cut-off events. For 211/255 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3971 event pairs, 163 based on Foata normal form. 44/762 useless extension candidates. Maximal degree in co-relation 1544. Up to 400 conditions per place. [2022-12-13 18:49:59,590 INFO L137 encePairwiseOnDemand]: 454/459 looper letters, 43 selfloop transitions, 4 changer transitions 0/64 dead transitions. [2022-12-13 18:49:59,590 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 64 transitions, 257 flow [2022-12-13 18:49:59,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 18:49:59,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 18:49:59,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1228 transitions. [2022-12-13 18:49:59,594 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4458968772694263 [2022-12-13 18:49:59,594 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1228 transitions. [2022-12-13 18:49:59,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1228 transitions. [2022-12-13 18:49:59,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:49:59,595 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1228 transitions. [2022-12-13 18:49:59,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 204.66666666666666) internal successors, (1228), 6 states have internal predecessors, (1228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:59,601 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 459.0) internal successors, (3213), 7 states have internal predecessors, (3213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:59,602 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 459.0) internal successors, (3213), 7 states have internal predecessors, (3213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:59,602 INFO L175 Difference]: Start difference. First operand has 55 places, 45 transitions, 125 flow. Second operand 6 states and 1228 transitions. [2022-12-13 18:49:59,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 64 transitions, 257 flow [2022-12-13 18:49:59,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 64 transitions, 251 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-13 18:49:59,604 INFO L231 Difference]: Finished difference. Result has 56 places, 44 transitions, 125 flow [2022-12-13 18:49:59,604 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=117, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=125, PETRI_PLACES=56, PETRI_TRANSITIONS=44} [2022-12-13 18:49:59,605 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, -27 predicate places. [2022-12-13 18:49:59,605 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 44 transitions, 125 flow [2022-12-13 18:49:59,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 200.0) internal successors, (1200), 6 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:49:59,606 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:49:59,606 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:49:59,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 18:49:59,606 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-12-13 18:49:59,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:49:59,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1692139899, now seen corresponding path program 1 times [2022-12-13 18:49:59,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:49:59,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439104372] [2022-12-13 18:49:59,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:49:59,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:49:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:49:59,963 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 18:49:59,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:49:59,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439104372] [2022-12-13 18:49:59,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439104372] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:49:59,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:49:59,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:49:59,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757275356] [2022-12-13 18:49:59,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:49:59,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 18:49:59,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:49:59,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 18:49:59,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:50:00,088 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 459 [2022-12-13 18:50:00,089 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 44 transitions, 125 flow. Second operand has 6 states, 6 states have (on average 200.5) internal successors, (1203), 6 states have internal predecessors, (1203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:00,089 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:50:00,089 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 459 [2022-12-13 18:50:00,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:50:00,264 INFO L130 PetriNetUnfolder]: 324/693 cut-off events. [2022-12-13 18:50:00,264 INFO L131 PetriNetUnfolder]: For 166/210 co-relation queries the response was YES. [2022-12-13 18:50:00,265 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1388 conditions, 693 events. 324/693 cut-off events. For 166/210 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3669 event pairs, 177 based on Foata normal form. 44/690 useless extension candidates. Maximal degree in co-relation 1381. Up to 436 conditions per place. [2022-12-13 18:50:00,266 INFO L137 encePairwiseOnDemand]: 454/459 looper letters, 0 selfloop transitions, 0 changer transitions 55/55 dead transitions. [2022-12-13 18:50:00,266 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 55 transitions, 225 flow [2022-12-13 18:50:00,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 18:50:00,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 18:50:00,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1220 transitions. [2022-12-13 18:50:00,268 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4429920116194626 [2022-12-13 18:50:00,268 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1220 transitions. [2022-12-13 18:50:00,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1220 transitions. [2022-12-13 18:50:00,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:50:00,269 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1220 transitions. [2022-12-13 18:50:00,270 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 203.33333333333334) internal successors, (1220), 6 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:00,273 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 459.0) internal successors, (3213), 7 states have internal predecessors, (3213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:00,273 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 459.0) internal successors, (3213), 7 states have internal predecessors, (3213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:00,273 INFO L175 Difference]: Start difference. First operand has 56 places, 44 transitions, 125 flow. Second operand 6 states and 1220 transitions. [2022-12-13 18:50:00,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 55 transitions, 225 flow [2022-12-13 18:50:00,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 55 transitions, 218 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 18:50:00,274 INFO L231 Difference]: Finished difference. Result has 56 places, 0 transitions, 0 flow [2022-12-13 18:50:00,274 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=56, PETRI_TRANSITIONS=0} [2022-12-13 18:50:00,275 INFO L288 CegarLoopForPetriNet]: 83 programPoint places, -27 predicate places. [2022-12-13 18:50:00,275 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 0 transitions, 0 flow [2022-12-13 18:50:00,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 200.5) internal successors, (1203), 6 states have internal predecessors, (1203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:00,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (59 of 60 remaining) [2022-12-13 18:50:00,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (58 of 60 remaining) [2022-12-13 18:50:00,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (57 of 60 remaining) [2022-12-13 18:50:00,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (56 of 60 remaining) [2022-12-13 18:50:00,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (55 of 60 remaining) [2022-12-13 18:50:00,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (54 of 60 remaining) [2022-12-13 18:50:00,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (53 of 60 remaining) [2022-12-13 18:50:00,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (52 of 60 remaining) [2022-12-13 18:50:00,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (51 of 60 remaining) [2022-12-13 18:50:00,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (50 of 60 remaining) [2022-12-13 18:50:00,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (49 of 60 remaining) [2022-12-13 18:50:00,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (48 of 60 remaining) [2022-12-13 18:50:00,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (47 of 60 remaining) [2022-12-13 18:50:00,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (46 of 60 remaining) [2022-12-13 18:50:00,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (45 of 60 remaining) [2022-12-13 18:50:00,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (44 of 60 remaining) [2022-12-13 18:50:00,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (43 of 60 remaining) [2022-12-13 18:50:00,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (42 of 60 remaining) [2022-12-13 18:50:00,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (41 of 60 remaining) [2022-12-13 18:50:00,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (40 of 60 remaining) [2022-12-13 18:50:00,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (39 of 60 remaining) [2022-12-13 18:50:00,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (38 of 60 remaining) [2022-12-13 18:50:00,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (37 of 60 remaining) [2022-12-13 18:50:00,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (36 of 60 remaining) [2022-12-13 18:50:00,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (35 of 60 remaining) [2022-12-13 18:50:00,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (34 of 60 remaining) [2022-12-13 18:50:00,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (33 of 60 remaining) [2022-12-13 18:50:00,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (32 of 60 remaining) [2022-12-13 18:50:00,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (31 of 60 remaining) [2022-12-13 18:50:00,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (30 of 60 remaining) [2022-12-13 18:50:00,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (29 of 60 remaining) [2022-12-13 18:50:00,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (28 of 60 remaining) [2022-12-13 18:50:00,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (27 of 60 remaining) [2022-12-13 18:50:00,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (26 of 60 remaining) [2022-12-13 18:50:00,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (25 of 60 remaining) [2022-12-13 18:50:00,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 60 remaining) [2022-12-13 18:50:00,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 60 remaining) [2022-12-13 18:50:00,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 60 remaining) [2022-12-13 18:50:00,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 60 remaining) [2022-12-13 18:50:00,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 60 remaining) [2022-12-13 18:50:00,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 60 remaining) [2022-12-13 18:50:00,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 60 remaining) [2022-12-13 18:50:00,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 60 remaining) [2022-12-13 18:50:00,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 60 remaining) [2022-12-13 18:50:00,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 60 remaining) [2022-12-13 18:50:00,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 60 remaining) [2022-12-13 18:50:00,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 60 remaining) [2022-12-13 18:50:00,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 60 remaining) [2022-12-13 18:50:00,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 60 remaining) [2022-12-13 18:50:00,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 60 remaining) [2022-12-13 18:50:00,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 60 remaining) [2022-12-13 18:50:00,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 60 remaining) [2022-12-13 18:50:00,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 60 remaining) [2022-12-13 18:50:00,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 60 remaining) [2022-12-13 18:50:00,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 60 remaining) [2022-12-13 18:50:00,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 60 remaining) [2022-12-13 18:50:00,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 60 remaining) [2022-12-13 18:50:00,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 60 remaining) [2022-12-13 18:50:00,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 60 remaining) [2022-12-13 18:50:00,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 60 remaining) [2022-12-13 18:50:00,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 18:50:00,282 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:50:00,286 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 18:50:00,286 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:50:00,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:50:00 BasicIcfg [2022-12-13 18:50:00,289 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:50:00,289 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:50:00,289 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:50:00,290 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:50:00,290 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:49:46" (3/4) ... [2022-12-13 18:50:00,292 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 18:50:00,295 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 18:50:00,295 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 18:50:00,295 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-12-13 18:50:00,298 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-12-13 18:50:00,299 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 18:50:00,299 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 18:50:00,299 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 18:50:00,326 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03bbebd7-4d0c-49ef-b559-13c67dd09b3a/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 18:50:00,327 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:50:00,327 INFO L158 Benchmark]: Toolchain (without parser) took 14477.70ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 87.2MB in the beginning and 58.1MB in the end (delta: 29.1MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. [2022-12-13 18:50:00,327 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 130.0MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:50:00,327 INFO L158 Benchmark]: CACSL2BoogieTranslator took 197.43ms. Allocated memory is still 130.0MB. Free memory was 87.0MB in the beginning and 73.8MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 18:50:00,327 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.12ms. Allocated memory is still 130.0MB. Free memory was 73.8MB in the beginning and 71.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:50:00,328 INFO L158 Benchmark]: Boogie Preprocessor took 26.86ms. Allocated memory is still 130.0MB. Free memory was 71.6MB in the beginning and 69.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:50:00,328 INFO L158 Benchmark]: RCFGBuilder took 669.29ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 69.1MB in the beginning and 103.9MB in the end (delta: -34.8MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2022-12-13 18:50:00,328 INFO L158 Benchmark]: TraceAbstraction took 13509.93ms. Allocated memory is still 161.5MB. Free memory was 103.9MB in the beginning and 61.3MB in the end (delta: 42.6MB). Peak memory consumption was 72.7MB. Max. memory is 16.1GB. [2022-12-13 18:50:00,328 INFO L158 Benchmark]: Witness Printer took 37.19ms. Allocated memory is still 161.5MB. Free memory was 61.3MB in the beginning and 58.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:50:00,329 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 130.0MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 197.43ms. Allocated memory is still 130.0MB. Free memory was 87.0MB in the beginning and 73.8MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.12ms. Allocated memory is still 130.0MB. Free memory was 73.8MB in the beginning and 71.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.86ms. Allocated memory is still 130.0MB. Free memory was 71.6MB in the beginning and 69.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 669.29ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 69.1MB in the beginning and 103.9MB in the end (delta: -34.8MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. * TraceAbstraction took 13509.93ms. Allocated memory is still 161.5MB. Free memory was 103.9MB in the beginning and 61.3MB in the end (delta: 42.6MB). Peak memory consumption was 72.7MB. Max. memory is 16.1GB. * Witness Printer took 37.19ms. Allocated memory is still 161.5MB. Free memory was 61.3MB in the beginning and 58.1MB 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: 9.2s, 221 PlacesBefore, 83 PlacesAfterwards, 223 TransitionsBefore, 80 TransitionsAfterwards, 5292 CoEnabledTransitionPairs, 8 FixpointIterations, 131 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 20 TrivialYvCompositions, 11 ConcurrentYvCompositions, 5 ChoiceCompositions, 213 TotalNumberOfCompositions, 36177 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 13020, independent: 12196, independent conditional: 0, independent unconditional: 12196, dependent: 824, dependent conditional: 0, dependent unconditional: 824, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2600, independent: 2499, independent conditional: 0, independent unconditional: 2499, dependent: 101, dependent conditional: 0, dependent unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13020, independent: 9697, independent conditional: 0, independent unconditional: 9697, dependent: 723, dependent conditional: 0, dependent unconditional: 723, unknown: 2600, unknown conditional: 0, unknown unconditional: 2600] , Statistics on independence cache: Total cache size (in pairs): 677, Positive cache size: 619, Positive conditional cache size: 0, Positive unconditional cache size: 619, Negative cache size: 58, Negative conditional cache size: 0, Negative unconditional cache size: 58, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: 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: 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: 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: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: 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: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 294 locations, 60 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: 13.4s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 592 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 352 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 215 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1030 IncrementalHoareTripleChecker+Invalid, 1245 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 215 mSolverCounterUnsat, 8 mSDtfsCounter, 1030 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=178occurred in iteration=0, InterpolantAutomatonStates: 34, 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, 1.2s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 155 ConstructedInterpolants, 0 QuantifiedInterpolants, 473 SizeOfPredicates, 4 NumberOfNonLiveVariables, 239 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 8/10 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 35 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 18:50:00,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03bbebd7-4d0c-49ef-b559-13c67dd09b3a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE