./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-prod-cons.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b3a74c1-9606-4303-8ee9-55ecdae32ba4/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b3a74c1-9606-4303-8ee9-55ecdae32ba4/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_5b3a74c1-9606-4303-8ee9-55ecdae32ba4/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b3a74c1-9606-4303-8ee9-55ecdae32ba4/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-prod-cons.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b3a74c1-9606-4303-8ee9-55ecdae32ba4/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_5b3a74c1-9606-4303-8ee9-55ecdae32ba4/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 f9b434f3343269d91303305376bff127738dc22172486554888e346753333fd7 --- 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 20:23:52,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:23:52,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:23:52,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:23:52,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:23:52,836 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:23:52,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:23:52,838 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:23:52,839 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:23:52,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:23:52,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:23:52,841 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:23:52,842 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:23:52,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:23:52,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:23:52,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:23:52,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:23:52,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:23:52,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:23:52,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:23:52,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:23:52,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:23:52,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:23:52,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:23:52,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:23:52,853 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:23:52,854 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:23:52,854 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:23:52,855 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:23:52,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:23:52,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:23:52,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:23:52,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:23:52,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:23:52,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:23:52,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:23:52,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:23:52,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:23:52,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:23:52,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:23:52,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:23:52,860 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b3a74c1-9606-4303-8ee9-55ecdae32ba4/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 20:23:52,875 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:23:52,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:23:52,876 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:23:52,876 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:23:52,876 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:23:52,877 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:23:52,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:23:52,877 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:23:52,877 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:23:52,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:23:52,878 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 20:23:52,878 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:23:52,878 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:23:52,878 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 20:23:52,878 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:23:52,878 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:23:52,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:23:52,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:23:52,878 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 20:23:52,879 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 20:23:52,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:23:52,879 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:23:52,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:23:52,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:23:52,879 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:23:52,879 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:23:52,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:23:52,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:23:52,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:23:52,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:23:52,880 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:23:52,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:23:52,880 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:23:52,880 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:23:52,880 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:23:52,881 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:23:52,881 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:23:52,881 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_5b3a74c1-9606-4303-8ee9-55ecdae32ba4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b3a74c1-9606-4303-8ee9-55ecdae32ba4/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9b434f3343269d91303305376bff127738dc22172486554888e346753333fd7 [2022-12-13 20:23:53,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:23:53,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:23:53,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:23:53,065 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:23:53,065 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:23:53,066 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b3a74c1-9606-4303-8ee9-55ecdae32ba4/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/popl20-prod-cons.wvr.c [2022-12-13 20:23:55,566 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:23:55,705 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:23:55,705 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b3a74c1-9606-4303-8ee9-55ecdae32ba4/sv-benchmarks/c/weaver/popl20-prod-cons.wvr.c [2022-12-13 20:23:55,710 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b3a74c1-9606-4303-8ee9-55ecdae32ba4/bin/uautomizer-uyxdKDjOR8/data/599d6f80a/2a20a0c6f7a8451882150ac19488ec86/FLAGa56389859 [2022-12-13 20:23:55,719 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b3a74c1-9606-4303-8ee9-55ecdae32ba4/bin/uautomizer-uyxdKDjOR8/data/599d6f80a/2a20a0c6f7a8451882150ac19488ec86 [2022-12-13 20:23:55,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:23:55,722 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:23:55,723 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:23:55,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:23:55,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:23:55,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:23:55" (1/1) ... [2022-12-13 20:23:55,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10604400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:23:55, skipping insertion in model container [2022-12-13 20:23:55,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:23:55" (1/1) ... [2022-12-13 20:23:55,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:23:55,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:23:55,855 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:23:55,856 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:23:55,856 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:23:55,860 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:23:55,862 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:23:55,863 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:23:55,863 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:23:55,865 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:23:55,865 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:23:55,866 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:23:55,866 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:23:55,866 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:23:55,867 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:23:55,868 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:23:55,874 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_5b3a74c1-9606-4303-8ee9-55ecdae32ba4/sv-benchmarks/c/weaver/popl20-prod-cons.wvr.c[3056,3069] [2022-12-13 20:23:55,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:23:55,886 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:23:55,898 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:23:55,898 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:23:55,899 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:23:55,901 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:23:55,902 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:23:55,903 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:23:55,903 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:23:55,906 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:23:55,907 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:23:55,907 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:23:55,908 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:23:55,908 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:23:55,909 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:23:55,910 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:23:55,918 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_5b3a74c1-9606-4303-8ee9-55ecdae32ba4/sv-benchmarks/c/weaver/popl20-prod-cons.wvr.c[3056,3069] [2022-12-13 20:23:55,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:23:55,935 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:23:55,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:23:55 WrapperNode [2022-12-13 20:23:55,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:23:55,936 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:23:55,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:23:55,936 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:23:55,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:23:55" (1/1) ... [2022-12-13 20:23:55,951 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:23:55" (1/1) ... [2022-12-13 20:23:55,980 INFO L138 Inliner]: procedures = 25, calls = 50, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 292 [2022-12-13 20:23:55,981 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:23:55,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:23:55,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:23:55,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:23:55,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:23:55" (1/1) ... [2022-12-13 20:23:55,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:23:55" (1/1) ... [2022-12-13 20:23:55,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:23:55" (1/1) ... [2022-12-13 20:23:55,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:23:55" (1/1) ... [2022-12-13 20:23:56,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:23:55" (1/1) ... [2022-12-13 20:23:56,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:23:55" (1/1) ... [2022-12-13 20:23:56,014 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:23:55" (1/1) ... [2022-12-13 20:23:56,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:23:55" (1/1) ... [2022-12-13 20:23:56,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:23:56,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:23:56,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:23:56,020 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:23:56,021 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:23:55" (1/1) ... [2022-12-13 20:23:56,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:23:56,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b3a74c1-9606-4303-8ee9-55ecdae32ba4/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:23:56,050 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b3a74c1-9606-4303-8ee9-55ecdae32ba4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:23:56,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b3a74c1-9606-4303-8ee9-55ecdae32ba4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:23:56,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:23:56,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 20:23:56,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 20:23:56,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 20:23:56,087 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 20:23:56,087 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 20:23:56,087 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 20:23:56,088 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 20:23:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-13 20:23:56,088 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-13 20:23:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:23:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 20:23:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 20:23:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 20:23:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:23:56,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:23:56,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 20:23:56,090 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 20:23:56,194 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:23:56,196 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:23:56,579 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:23:56,784 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:23:56,785 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-13 20:23:56,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:23:56 BoogieIcfgContainer [2022-12-13 20:23:56,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:23:56,788 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:23:56,789 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:23:56,791 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:23:56,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:23:55" (1/3) ... [2022-12-13 20:23:56,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78dcaa7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:23:56, skipping insertion in model container [2022-12-13 20:23:56,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:23:55" (2/3) ... [2022-12-13 20:23:56,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78dcaa7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:23:56, skipping insertion in model container [2022-12-13 20:23:56,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:23:56" (3/3) ... [2022-12-13 20:23:56,793 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons.wvr.c [2022-12-13 20:23:56,800 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 20:23:56,808 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:23:56,809 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2022-12-13 20:23:56,809 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 20:23:56,873 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-13 20:23:56,901 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 251 places, 252 transitions, 528 flow [2022-12-13 20:23:56,956 INFO L130 PetriNetUnfolder]: 11/249 cut-off events. [2022-12-13 20:23:56,957 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 20:23:56,961 INFO L83 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 249 events. 11/249 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 270 event pairs, 0 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 195. Up to 3 conditions per place. [2022-12-13 20:23:56,961 INFO L82 GeneralOperation]: Start removeDead. Operand has 251 places, 252 transitions, 528 flow [2022-12-13 20:23:56,965 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 229 places, 229 transitions, 476 flow [2022-12-13 20:23:56,968 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 20:23:56,976 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 229 places, 229 transitions, 476 flow [2022-12-13 20:23:56,978 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 229 places, 229 transitions, 476 flow [2022-12-13 20:23:56,979 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 229 places, 229 transitions, 476 flow [2022-12-13 20:23:57,008 INFO L130 PetriNetUnfolder]: 10/229 cut-off events. [2022-12-13 20:23:57,008 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 20:23:57,009 INFO L83 FinitePrefix]: Finished finitePrefix Result has 242 conditions, 229 events. 10/229 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 267 event pairs, 0 based on Foata normal form. 0/179 useless extension candidates. Maximal degree in co-relation 195. Up to 3 conditions per place. [2022-12-13 20:23:57,011 INFO L119 LiptonReduction]: Number of co-enabled transitions 4314 [2022-12-13 20:24:03,340 INFO L134 LiptonReduction]: Checked pairs total: 21102 [2022-12-13 20:24:03,340 INFO L136 LiptonReduction]: Total number of compositions: 227 [2022-12-13 20:24:03,354 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:24:03,360 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;@5142b371, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:24:03,360 INFO L358 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2022-12-13 20:24:03,361 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 20:24:03,361 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 20:24:03,361 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 20:24:03,362 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 20:24:03,362 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-12-13 20:24:03,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:24:03,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1178, now seen corresponding path program 1 times [2022-12-13 20:24:03,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:24:03,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487090353] [2022-12-13 20:24:03,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:24:03,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:24:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:03,443 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 20:24:03,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:24:03,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487090353] [2022-12-13 20:24:03,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487090353] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:24:03,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:24:03,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 20:24:03,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632338664] [2022-12-13 20:24:03,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:24:03,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 20:24:03,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:24:03,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 20:24:03,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 20:24:03,468 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 479 [2022-12-13 20:24:03,470 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 74 transitions, 166 flow. Second operand has 2 states, 2 states have (on average 205.5) internal successors, (411), 2 states have internal predecessors, (411), 0 states have call successors, (0), 0 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 20:24:03,470 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 20:24:03,470 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 479 [2022-12-13 20:24:03,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 20:24:03,576 INFO L130 PetriNetUnfolder]: 282/649 cut-off events. [2022-12-13 20:24:03,576 INFO L131 PetriNetUnfolder]: For 55/55 co-relation queries the response was YES. [2022-12-13 20:24:03,578 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1154 conditions, 649 events. 282/649 cut-off events. For 55/55 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 3275 event pairs, 221 based on Foata normal form. 1/545 useless extension candidates. Maximal degree in co-relation 962. Up to 438 conditions per place. [2022-12-13 20:24:03,581 INFO L137 encePairwiseOnDemand]: 441/479 looper letters, 21 selfloop transitions, 0 changer transitions 3/36 dead transitions. [2022-12-13 20:24:03,581 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 36 transitions, 138 flow [2022-12-13 20:24:03,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 20:24:03,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 20:24:03,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 472 transitions. [2022-12-13 20:24:03,591 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49269311064718163 [2022-12-13 20:24:03,592 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 472 transitions. [2022-12-13 20:24:03,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 472 transitions. [2022-12-13 20:24:03,593 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:24:03,595 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 472 transitions. [2022-12-13 20:24:03,598 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 236.0) internal successors, (472), 2 states have internal predecessors, (472), 0 states have call successors, (0), 0 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 20:24:03,603 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 479.0) internal successors, (1437), 3 states have internal predecessors, (1437), 0 states have call successors, (0), 0 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 20:24:03,603 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 479.0) internal successors, (1437), 3 states have internal predecessors, (1437), 0 states have call successors, (0), 0 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 20:24:03,604 INFO L175 Difference]: Start difference. First operand has 81 places, 74 transitions, 166 flow. Second operand 2 states and 472 transitions. [2022-12-13 20:24:03,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 36 transitions, 138 flow [2022-12-13 20:24:03,608 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 36 transitions, 126 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-12-13 20:24:03,609 INFO L231 Difference]: Finished difference. Result has 38 places, 33 transitions, 70 flow [2022-12-13 20:24:03,610 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=70, PETRI_PLACES=38, PETRI_TRANSITIONS=33} [2022-12-13 20:24:03,613 INFO L288 CegarLoopForPetriNet]: 81 programPoint places, -43 predicate places. [2022-12-13 20:24:03,613 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 33 transitions, 70 flow [2022-12-13 20:24:03,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 205.5) internal successors, (411), 2 states have internal predecessors, (411), 0 states have call successors, (0), 0 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 20:24:03,613 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 20:24:03,614 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 20:24:03,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:24:03,614 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-12-13 20:24:03,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:24:03,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1128445381, now seen corresponding path program 1 times [2022-12-13 20:24:03,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:24:03,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516824299] [2022-12-13 20:24:03,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:24:03,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:24:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:03,702 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 20:24:03,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:24:03,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516824299] [2022-12-13 20:24:03,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516824299] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:24:03,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:24:03,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:24:03,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111454569] [2022-12-13 20:24:03,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:24:03,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:24:03,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:24:03,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:24:03,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:24:03,717 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 479 [2022-12-13 20:24:03,718 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 33 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 199.66666666666666) internal successors, (599), 3 states have internal predecessors, (599), 0 states have call successors, (0), 0 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 20:24:03,718 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 20:24:03,718 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 479 [2022-12-13 20:24:03,719 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 20:24:03,812 INFO L130 PetriNetUnfolder]: 342/774 cut-off events. [2022-12-13 20:24:03,812 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-12-13 20:24:03,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1332 conditions, 774 events. 342/774 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 4052 event pairs, 275 based on Foata normal form. 0/655 useless extension candidates. Maximal degree in co-relation 1329. Up to 522 conditions per place. [2022-12-13 20:24:03,815 INFO L137 encePairwiseOnDemand]: 477/479 looper letters, 21 selfloop transitions, 1 changer transitions 0/32 dead transitions. [2022-12-13 20:24:03,815 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 32 transitions, 112 flow [2022-12-13 20:24:03,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:24:03,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 20:24:03,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 617 transitions. [2022-12-13 20:24:03,818 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.42936673625608907 [2022-12-13 20:24:03,818 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 617 transitions. [2022-12-13 20:24:03,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 617 transitions. [2022-12-13 20:24:03,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:24:03,819 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 617 transitions. [2022-12-13 20:24:03,821 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 20:24:03,825 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 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 20:24:03,826 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 479.0) internal successors, (1916), 4 states have internal predecessors, (1916), 0 states have call successors, (0), 0 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 20:24:03,826 INFO L175 Difference]: Start difference. First operand has 38 places, 33 transitions, 70 flow. Second operand 3 states and 617 transitions. [2022-12-13 20:24:03,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 32 transitions, 112 flow [2022-12-13 20:24:03,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 32 transitions, 112 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 20:24:03,827 INFO L231 Difference]: Finished difference. Result has 36 places, 32 transitions, 70 flow [2022-12-13 20:24:03,827 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=70, PETRI_PLACES=36, PETRI_TRANSITIONS=32} [2022-12-13 20:24:03,828 INFO L288 CegarLoopForPetriNet]: 81 programPoint places, -45 predicate places. [2022-12-13 20:24:03,828 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 32 transitions, 70 flow [2022-12-13 20:24:03,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 199.66666666666666) internal successors, (599), 3 states have internal predecessors, (599), 0 states have call successors, (0), 0 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 20:24:03,829 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 20:24:03,829 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:24:03,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 20:24:03,829 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-12-13 20:24:03,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:24:03,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1135858707, now seen corresponding path program 1 times [2022-12-13 20:24:03,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:24:03,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257231528] [2022-12-13 20:24:03,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:24:03,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:24:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:04,149 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 20:24:04,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:24:04,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257231528] [2022-12-13 20:24:04,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257231528] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:24:04,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:24:04,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:24:04,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079430545] [2022-12-13 20:24:04,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:24:04,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:24:04,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:24:04,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:24:04,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:24:04,305 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 479 [2022-12-13 20:24:04,307 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 32 transitions, 70 flow. Second operand has 6 states, 6 states have (on average 194.0) internal successors, (1164), 6 states have internal predecessors, (1164), 0 states have call successors, (0), 0 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 20:24:04,308 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 20:24:04,308 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 479 [2022-12-13 20:24:04,308 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 20:24:04,571 INFO L130 PetriNetUnfolder]: 680/1041 cut-off events. [2022-12-13 20:24:04,571 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 20:24:04,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2061 conditions, 1041 events. 680/1041 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 3837 event pairs, 111 based on Foata normal form. 0/899 useless extension candidates. Maximal degree in co-relation 2057. Up to 330 conditions per place. [2022-12-13 20:24:04,574 INFO L137 encePairwiseOnDemand]: 474/479 looper letters, 61 selfloop transitions, 4 changer transitions 0/71 dead transitions. [2022-12-13 20:24:04,575 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 71 transitions, 278 flow [2022-12-13 20:24:04,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 20:24:04,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 20:24:04,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1218 transitions. [2022-12-13 20:24:04,577 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.42379958246346555 [2022-12-13 20:24:04,577 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1218 transitions. [2022-12-13 20:24:04,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1218 transitions. [2022-12-13 20:24:04,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:24:04,578 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1218 transitions. [2022-12-13 20:24:04,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 203.0) internal successors, (1218), 6 states have internal predecessors, (1218), 0 states have call successors, (0), 0 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 20:24:04,582 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 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 20:24:04,583 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 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 20:24:04,583 INFO L175 Difference]: Start difference. First operand has 36 places, 32 transitions, 70 flow. Second operand 6 states and 1218 transitions. [2022-12-13 20:24:04,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 71 transitions, 278 flow [2022-12-13 20:24:04,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 71 transitions, 277 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 20:24:04,585 INFO L231 Difference]: Finished difference. Result has 39 places, 31 transitions, 75 flow [2022-12-13 20:24:04,585 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=67, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=75, PETRI_PLACES=39, PETRI_TRANSITIONS=31} [2022-12-13 20:24:04,585 INFO L288 CegarLoopForPetriNet]: 81 programPoint places, -42 predicate places. [2022-12-13 20:24:04,585 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 31 transitions, 75 flow [2022-12-13 20:24:04,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 194.0) internal successors, (1164), 6 states have internal predecessors, (1164), 0 states have call successors, (0), 0 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 20:24:04,586 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 20:24:04,586 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] [2022-12-13 20:24:04,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 20:24:04,586 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-12-13 20:24:04,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:24:04,587 INFO L85 PathProgramCache]: Analyzing trace with hash 757176332, now seen corresponding path program 1 times [2022-12-13 20:24:04,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:24:04,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30349733] [2022-12-13 20:24:04,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:24:04,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:24:04,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:24:04,819 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 20:24:04,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:24:04,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30349733] [2022-12-13 20:24:04,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30349733] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:24:04,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:24:04,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:24:04,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524047356] [2022-12-13 20:24:04,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:24:04,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:24:04,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:24:04,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:24:04,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:24:04,961 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 479 [2022-12-13 20:24:04,963 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 31 transitions, 75 flow. Second operand has 6 states, 6 states have (on average 194.66666666666666) internal successors, (1168), 6 states have internal predecessors, (1168), 0 states have call successors, (0), 0 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 20:24:04,963 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 20:24:04,963 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 479 [2022-12-13 20:24:04,963 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 20:24:05,133 INFO L130 PetriNetUnfolder]: 340/659 cut-off events. [2022-12-13 20:24:05,133 INFO L131 PetriNetUnfolder]: For 42/42 co-relation queries the response was YES. [2022-12-13 20:24:05,134 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1355 conditions, 659 events. 340/659 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2895 event pairs, 206 based on Foata normal form. 0/588 useless extension candidates. Maximal degree in co-relation 1351. Up to 406 conditions per place. [2022-12-13 20:24:05,134 INFO L137 encePairwiseOnDemand]: 474/479 looper letters, 0 selfloop transitions, 0 changer transitions 54/54 dead transitions. [2022-12-13 20:24:05,134 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 54 transitions, 219 flow [2022-12-13 20:24:05,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 20:24:05,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 20:24:05,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1202 transitions. [2022-12-13 20:24:05,137 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.41823242867084204 [2022-12-13 20:24:05,137 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1202 transitions. [2022-12-13 20:24:05,137 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1202 transitions. [2022-12-13 20:24:05,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:24:05,138 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1202 transitions. [2022-12-13 20:24:05,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 200.33333333333334) internal successors, (1202), 6 states have internal predecessors, (1202), 0 states have call successors, (0), 0 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 20:24:05,142 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 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 20:24:05,143 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 479.0) internal successors, (3353), 7 states have internal predecessors, (3353), 0 states have call successors, (0), 0 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 20:24:05,143 INFO L175 Difference]: Start difference. First operand has 39 places, 31 transitions, 75 flow. Second operand 6 states and 1202 transitions. [2022-12-13 20:24:05,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 54 transitions, 219 flow [2022-12-13 20:24:05,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 54 transitions, 212 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 20:24:05,145 INFO L231 Difference]: Finished difference. Result has 39 places, 0 transitions, 0 flow [2022-12-13 20:24:05,145 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=479, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=39, PETRI_TRANSITIONS=0} [2022-12-13 20:24:05,145 INFO L288 CegarLoopForPetriNet]: 81 programPoint places, -42 predicate places. [2022-12-13 20:24:05,145 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 0 transitions, 0 flow [2022-12-13 20:24:05,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 194.66666666666666) internal successors, (1168), 6 states have internal predecessors, (1168), 0 states have call successors, (0), 0 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 20:24:05,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (70 of 71 remaining) [2022-12-13 20:24:05,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (69 of 71 remaining) [2022-12-13 20:24:05,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (68 of 71 remaining) [2022-12-13 20:24:05,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (67 of 71 remaining) [2022-12-13 20:24:05,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (66 of 71 remaining) [2022-12-13 20:24:05,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (65 of 71 remaining) [2022-12-13 20:24:05,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (64 of 71 remaining) [2022-12-13 20:24:05,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (63 of 71 remaining) [2022-12-13 20:24:05,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (62 of 71 remaining) [2022-12-13 20:24:05,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (61 of 71 remaining) [2022-12-13 20:24:05,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (60 of 71 remaining) [2022-12-13 20:24:05,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (59 of 71 remaining) [2022-12-13 20:24:05,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (58 of 71 remaining) [2022-12-13 20:24:05,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (57 of 71 remaining) [2022-12-13 20:24:05,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (56 of 71 remaining) [2022-12-13 20:24:05,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (55 of 71 remaining) [2022-12-13 20:24:05,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (54 of 71 remaining) [2022-12-13 20:24:05,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (53 of 71 remaining) [2022-12-13 20:24:05,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (52 of 71 remaining) [2022-12-13 20:24:05,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (51 of 71 remaining) [2022-12-13 20:24:05,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (50 of 71 remaining) [2022-12-13 20:24:05,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (49 of 71 remaining) [2022-12-13 20:24:05,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (48 of 71 remaining) [2022-12-13 20:24:05,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (47 of 71 remaining) [2022-12-13 20:24:05,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (46 of 71 remaining) [2022-12-13 20:24:05,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (45 of 71 remaining) [2022-12-13 20:24:05,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (44 of 71 remaining) [2022-12-13 20:24:05,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (43 of 71 remaining) [2022-12-13 20:24:05,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (42 of 71 remaining) [2022-12-13 20:24:05,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (41 of 71 remaining) [2022-12-13 20:24:05,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (40 of 71 remaining) [2022-12-13 20:24:05,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (39 of 71 remaining) [2022-12-13 20:24:05,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (38 of 71 remaining) [2022-12-13 20:24:05,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (37 of 71 remaining) [2022-12-13 20:24:05,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (36 of 71 remaining) [2022-12-13 20:24:05,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (35 of 71 remaining) [2022-12-13 20:24:05,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (34 of 71 remaining) [2022-12-13 20:24:05,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (33 of 71 remaining) [2022-12-13 20:24:05,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (32 of 71 remaining) [2022-12-13 20:24:05,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (31 of 71 remaining) [2022-12-13 20:24:05,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (30 of 71 remaining) [2022-12-13 20:24:05,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 71 remaining) [2022-12-13 20:24:05,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 71 remaining) [2022-12-13 20:24:05,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 71 remaining) [2022-12-13 20:24:05,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (26 of 71 remaining) [2022-12-13 20:24:05,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (25 of 71 remaining) [2022-12-13 20:24:05,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (24 of 71 remaining) [2022-12-13 20:24:05,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 71 remaining) [2022-12-13 20:24:05,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (22 of 71 remaining) [2022-12-13 20:24:05,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (21 of 71 remaining) [2022-12-13 20:24:05,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (20 of 71 remaining) [2022-12-13 20:24:05,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (19 of 71 remaining) [2022-12-13 20:24:05,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (18 of 71 remaining) [2022-12-13 20:24:05,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (17 of 71 remaining) [2022-12-13 20:24:05,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (16 of 71 remaining) [2022-12-13 20:24:05,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (15 of 71 remaining) [2022-12-13 20:24:05,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (14 of 71 remaining) [2022-12-13 20:24:05,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (13 of 71 remaining) [2022-12-13 20:24:05,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (12 of 71 remaining) [2022-12-13 20:24:05,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (11 of 71 remaining) [2022-12-13 20:24:05,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (10 of 71 remaining) [2022-12-13 20:24:05,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (9 of 71 remaining) [2022-12-13 20:24:05,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (8 of 71 remaining) [2022-12-13 20:24:05,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (7 of 71 remaining) [2022-12-13 20:24:05,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (6 of 71 remaining) [2022-12-13 20:24:05,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (5 of 71 remaining) [2022-12-13 20:24:05,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (4 of 71 remaining) [2022-12-13 20:24:05,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (3 of 71 remaining) [2022-12-13 20:24:05,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (2 of 71 remaining) [2022-12-13 20:24:05,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 71 remaining) [2022-12-13 20:24:05,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (0 of 71 remaining) [2022-12-13 20:24:05,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 20:24:05,156 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-13 20:24:05,160 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 20:24:05,160 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:24:05,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:24:05 BasicIcfg [2022-12-13 20:24:05,163 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:24:05,163 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:24:05,163 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:24:05,163 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:24:05,163 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:23:56" (3/4) ... [2022-12-13 20:24:05,165 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 20:24:05,169 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 20:24:05,169 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 20:24:05,169 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-12-13 20:24:05,173 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-12-13 20:24:05,173 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 20:24:05,173 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 20:24:05,173 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 20:24:05,201 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b3a74c1-9606-4303-8ee9-55ecdae32ba4/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 20:24:05,201 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:24:05,202 INFO L158 Benchmark]: Toolchain (without parser) took 9479.95ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 104.7MB in the beginning and 79.7MB in the end (delta: 25.0MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. [2022-12-13 20:24:05,202 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 136.3MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:24:05,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.81ms. Allocated memory is still 136.3MB. Free memory was 104.7MB in the beginning and 90.7MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 20:24:05,202 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.83ms. Allocated memory is still 136.3MB. Free memory was 90.7MB in the beginning and 87.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:24:05,202 INFO L158 Benchmark]: Boogie Preprocessor took 37.77ms. Allocated memory is still 136.3MB. Free memory was 87.9MB in the beginning and 85.3MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 20:24:05,203 INFO L158 Benchmark]: RCFGBuilder took 766.82ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 85.3MB in the beginning and 113.3MB in the end (delta: -28.0MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2022-12-13 20:24:05,203 INFO L158 Benchmark]: TraceAbstraction took 8374.25ms. Allocated memory is still 163.6MB. Free memory was 113.3MB in the beginning and 82.8MB in the end (delta: 30.5MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2022-12-13 20:24:05,203 INFO L158 Benchmark]: Witness Printer took 38.34ms. Allocated memory is still 163.6MB. Free memory was 82.8MB in the beginning and 79.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 20:24:05,204 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 136.3MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 212.81ms. Allocated memory is still 136.3MB. Free memory was 104.7MB in the beginning and 90.7MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.83ms. Allocated memory is still 136.3MB. Free memory was 90.7MB in the beginning and 87.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.77ms. Allocated memory is still 136.3MB. Free memory was 87.9MB in the beginning and 85.3MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 766.82ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 85.3MB in the beginning and 113.3MB in the end (delta: -28.0MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * TraceAbstraction took 8374.25ms. Allocated memory is still 163.6MB. Free memory was 113.3MB in the beginning and 82.8MB in the end (delta: 30.5MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. * Witness Printer took 38.34ms. Allocated memory is still 163.6MB. Free memory was 82.8MB in the beginning and 79.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.4s, 229 PlacesBefore, 81 PlacesAfterwards, 229 TransitionsBefore, 74 TransitionsAfterwards, 4314 CoEnabledTransitionPairs, 8 FixpointIterations, 144 TrivialSequentialCompositions, 54 ConcurrentSequentialCompositions, 15 TrivialYvCompositions, 7 ConcurrentYvCompositions, 7 ChoiceCompositions, 227 TotalNumberOfCompositions, 21102 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10622, independent: 10123, independent conditional: 0, independent unconditional: 10123, dependent: 499, dependent conditional: 0, dependent unconditional: 499, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2135, independent: 2070, independent conditional: 0, independent unconditional: 2070, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10622, independent: 8053, independent conditional: 0, independent unconditional: 8053, dependent: 434, dependent conditional: 0, dependent unconditional: 434, unknown: 2135, unknown conditional: 0, unknown unconditional: 2135] , Statistics on independence cache: Total cache size (in pairs): 614, Positive cache size: 578, Positive conditional cache size: 0, Positive unconditional cache size: 578, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: 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: 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: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: 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: 98]: 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: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: 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: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: 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, 298 locations, 71 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: 8.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 246 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 155 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 118 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 612 IncrementalHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 118 mSolverCounterUnsat, 1 mSDtfsCounter, 612 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=166occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 199 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 41 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 20:24:05,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b3a74c1-9606-4303-8ee9-55ecdae32ba4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE