./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d2ea70-4f01-4641-b86d-3f56f91a77fe/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d2ea70-4f01-4641-b86d-3f56f91a77fe/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_47d2ea70-4f01-4641-b86d-3f56f91a77fe/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d2ea70-4f01-4641-b86d-3f56f91a77fe/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d2ea70-4f01-4641-b86d-3f56f91a77fe/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_47d2ea70-4f01-4641-b86d-3f56f91a77fe/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 3ea4ca0f63ee44295abb2f56a10a45cd5c3c9aada41df664ec74c618092ddbca --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 18:50:11,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:50:11,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:50:11,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:50:11,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:50:11,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:50:11,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:50:11,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:50:11,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:50:11,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:50:11,774 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:50:11,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:50:11,775 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:50:11,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:50:11,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:50:11,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:50:11,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:50:11,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:50:11,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:50:11,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:50:11,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:50:11,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:50:11,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:50:11,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:50:11,788 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:50:11,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:50:11,789 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:50:11,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:50:11,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:50:11,791 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:50:11,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:50:11,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:50:11,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:50:11,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:50:11,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:50:11,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:50:11,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:50:11,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:50:11,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:50:11,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:50:11,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:50:11,798 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d2ea70-4f01-4641-b86d-3f56f91a77fe/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 18:50:11,828 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:50:11,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:50:11,829 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:50:11,829 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:50:11,829 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:50:11,830 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:50:11,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:50:11,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:50:11,831 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:50:11,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:50:11,831 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 18:50:11,831 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:50:11,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:50:11,831 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 18:50:11,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:50:11,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:50:11,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:50:11,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:50:11,832 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 18:50:11,832 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 18:50:11,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:50:11,832 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:50:11,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:50:11,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:50:11,833 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:50:11,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:50:11,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:50:11,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:50:11,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:50:11,833 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:50:11,834 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:50:11,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:50:11,834 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:50:11,834 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:50:11,834 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:50:11,834 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:50:11,834 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:50:11,835 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_47d2ea70-4f01-4641-b86d-3f56f91a77fe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d2ea70-4f01-4641-b86d-3f56f91a77fe/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ea4ca0f63ee44295abb2f56a10a45cd5c3c9aada41df664ec74c618092ddbca [2022-12-13 18:50:12,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:50:12,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:50:12,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:50:12,046 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:50:12,046 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:50:12,047 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d2ea70-4f01-4641-b86d-3f56f91a77fe/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2022-12-13 18:50:14,659 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:50:14,783 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:50:14,784 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d2ea70-4f01-4641-b86d-3f56f91a77fe/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2022-12-13 18:50:14,789 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d2ea70-4f01-4641-b86d-3f56f91a77fe/bin/uautomizer-uyxdKDjOR8/data/fbac9941a/42bfeb9a897e496a997226ed91600fa3/FLAGa6ed23fc6 [2022-12-13 18:50:14,799 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d2ea70-4f01-4641-b86d-3f56f91a77fe/bin/uautomizer-uyxdKDjOR8/data/fbac9941a/42bfeb9a897e496a997226ed91600fa3 [2022-12-13 18:50:14,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:50:14,802 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:50:14,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:50:14,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:50:14,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:50:14,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:50:14" (1/1) ... [2022-12-13 18:50:14,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@152063bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:50:14, skipping insertion in model container [2022-12-13 18:50:14,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:50:14" (1/1) ... [2022-12-13 18:50:14,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:50:14,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:50:14,935 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:50:14,941 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:50:14,942 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:50:14,942 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:50:14,944 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:50:14,946 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:50:14,949 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:50:14,950 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:50:14,950 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:50:14,950 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:50:14,951 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:50:14,953 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:50:14,955 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:50:14,957 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:50:14,958 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:50:14,960 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:50:14,966 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_47d2ea70-4f01-4641-b86d-3f56f91a77fe/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c[3019,3032] [2022-12-13 18:50:14,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:50:14,977 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:50:14,987 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:50:14,988 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:50:14,988 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:50:14,989 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:50:14,989 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:50:14,991 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:50:14,992 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:50:14,993 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:50:14,993 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:50:14,994 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:50:14,994 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:50:14,996 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:50:14,997 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:50:14,999 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:50:15,000 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 18:50:15,001 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 18:50:15,006 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_47d2ea70-4f01-4641-b86d-3f56f91a77fe/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c[3019,3032] [2022-12-13 18:50:15,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:50:15,019 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:50:15,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:50:15 WrapperNode [2022-12-13 18:50:15,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:50:15,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:50:15,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:50:15,021 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:50:15,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:50:15" (1/1) ... [2022-12-13 18:50:15,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:50:15" (1/1) ... [2022-12-13 18:50:15,055 INFO L138 Inliner]: procedures = 26, calls = 63, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 201 [2022-12-13 18:50:15,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:50:15,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:50:15,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:50:15,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:50:15,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:50:15" (1/1) ... [2022-12-13 18:50:15,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:50:15" (1/1) ... [2022-12-13 18:50:15,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:50:15" (1/1) ... [2022-12-13 18:50:15,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:50:15" (1/1) ... [2022-12-13 18:50:15,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:50:15" (1/1) ... [2022-12-13 18:50:15,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:50:15" (1/1) ... [2022-12-13 18:50:15,084 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:50:15" (1/1) ... [2022-12-13 18:50:15,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:50:15" (1/1) ... [2022-12-13 18:50:15,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:50:15,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:50:15,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:50:15,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:50:15,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:50:15" (1/1) ... [2022-12-13 18:50:15,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:50:15,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d2ea70-4f01-4641-b86d-3f56f91a77fe/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:50:15,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d2ea70-4f01-4641-b86d-3f56f91a77fe/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:50:15,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d2ea70-4f01-4641-b86d-3f56f91a77fe/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:50:15,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:50:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 18:50:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 18:50:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 18:50:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 18:50:15,149 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 18:50:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 18:50:15,150 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 18:50:15,150 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-13 18:50:15,150 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-13 18:50:15,150 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-12-13 18:50:15,150 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-12-13 18:50:15,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:50:15,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 18:50:15,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 18:50:15,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 18:50:15,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:50:15,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:50:15,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 18:50:15,153 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 18:50:15,255 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:50:15,257 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:50:15,720 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:50:15,972 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:50:15,973 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 18:50:15,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:50:15 BoogieIcfgContainer [2022-12-13 18:50:15,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:50:15,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:50:15,978 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:50:15,980 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:50:15,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:50:14" (1/3) ... [2022-12-13 18:50:15,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@317cf118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:50:15, skipping insertion in model container [2022-12-13 18:50:15,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:50:15" (2/3) ... [2022-12-13 18:50:15,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@317cf118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:50:15, skipping insertion in model container [2022-12-13 18:50:15,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:50:15" (3/3) ... [2022-12-13 18:50:15,983 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-min-max-dec.wvr.c [2022-12-13 18:50:15,991 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 18:50:15,999 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:50:15,999 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 46 error locations. [2022-12-13 18:50:15,999 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 18:50:16,068 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-12-13 18:50:16,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 265 places, 264 transitions, 560 flow [2022-12-13 18:50:16,178 INFO L130 PetriNetUnfolder]: 12/260 cut-off events. [2022-12-13 18:50:16,178 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-13 18:50:16,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 277 conditions, 260 events. 12/260 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 364 event pairs, 0 based on Foata normal form. 0/202 useless extension candidates. Maximal degree in co-relation 194. Up to 2 conditions per place. [2022-12-13 18:50:16,184 INFO L82 GeneralOperation]: Start removeDead. Operand has 265 places, 264 transitions, 560 flow [2022-12-13 18:50:16,190 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 240 places, 238 transitions, 500 flow [2022-12-13 18:50:16,194 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 18:50:16,205 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 240 places, 238 transitions, 500 flow [2022-12-13 18:50:16,208 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 240 places, 238 transitions, 500 flow [2022-12-13 18:50:16,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 240 places, 238 transitions, 500 flow [2022-12-13 18:50:16,253 INFO L130 PetriNetUnfolder]: 11/238 cut-off events. [2022-12-13 18:50:16,254 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-13 18:50:16,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 255 conditions, 238 events. 11/238 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 359 event pairs, 0 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 194. Up to 2 conditions per place. [2022-12-13 18:50:16,269 INFO L119 LiptonReduction]: Number of co-enabled transitions 9284 [2022-12-13 18:50:25,755 INFO L134 LiptonReduction]: Checked pairs total: 58224 [2022-12-13 18:50:25,755 INFO L136 LiptonReduction]: Total number of compositions: 199 [2022-12-13 18:50:25,766 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:50:25,770 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;@778b0383, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:50:25,770 INFO L358 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2022-12-13 18:50:25,771 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 18:50:25,772 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 18:50:25,772 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:50:25,772 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 18:50:25,773 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2022-12-13 18:50:25,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:50:25,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1305, now seen corresponding path program 1 times [2022-12-13 18:50:25,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:50:25,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861678334] [2022-12-13 18:50:25,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:50:25,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:50:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:25,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:50:25,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:50:25,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861678334] [2022-12-13 18:50:25,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861678334] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:50:25,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:50:25,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 18:50:25,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236609257] [2022-12-13 18:50:25,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:50:25,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 18:50:25,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:50:25,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 18:50:25,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 18:50:25,887 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 463 [2022-12-13 18:50:25,889 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 100 transitions, 224 flow. Second operand has 2 states, 2 states have (on average 206.5) internal successors, (413), 2 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:25,890 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:50:25,890 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 463 [2022-12-13 18:50:25,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:50:26,194 INFO L130 PetriNetUnfolder]: 1130/2119 cut-off events. [2022-12-13 18:50:26,195 INFO L131 PetriNetUnfolder]: For 123/123 co-relation queries the response was YES. [2022-12-13 18:50:26,198 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3805 conditions, 2119 events. 1130/2119 cut-off events. For 123/123 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 12132 event pairs, 747 based on Foata normal form. 383/2289 useless extension candidates. Maximal degree in co-relation 3126. Up to 1510 conditions per place. [2022-12-13 18:50:26,206 INFO L137 encePairwiseOnDemand]: 420/463 looper letters, 26 selfloop transitions, 0 changer transitions 3/57 dead transitions. [2022-12-13 18:50:26,206 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 57 transitions, 196 flow [2022-12-13 18:50:26,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 18:50:26,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 18:50:26,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 484 transitions. [2022-12-13 18:50:26,216 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5226781857451404 [2022-12-13 18:50:26,217 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 484 transitions. [2022-12-13 18:50:26,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 484 transitions. [2022-12-13 18:50:26,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:50:26,220 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 484 transitions. [2022-12-13 18:50:26,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 242.0) internal successors, (484), 2 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:26,229 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 463.0) internal successors, (1389), 3 states have internal predecessors, (1389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:26,231 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 463.0) internal successors, (1389), 3 states have internal predecessors, (1389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:26,232 INFO L175 Difference]: Start difference. First operand has 106 places, 100 transitions, 224 flow. Second operand 2 states and 484 transitions. [2022-12-13 18:50:26,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 57 transitions, 196 flow [2022-12-13 18:50:26,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 57 transitions, 180 flow, removed 0 selfloop flow, removed 8 redundant places. [2022-12-13 18:50:26,238 INFO L231 Difference]: Finished difference. Result has 59 places, 54 transitions, 114 flow [2022-12-13 18:50:26,240 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=114, PETRI_PLACES=59, PETRI_TRANSITIONS=54} [2022-12-13 18:50:26,242 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, -47 predicate places. [2022-12-13 18:50:26,243 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 54 transitions, 114 flow [2022-12-13 18:50:26,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 206.5) internal successors, (413), 2 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:26,243 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:50:26,243 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:50:26,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:50:26,243 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2022-12-13 18:50:26,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:50:26,244 INFO L85 PathProgramCache]: Analyzing trace with hash 712595953, now seen corresponding path program 1 times [2022-12-13 18:50:26,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:50:26,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742374146] [2022-12-13 18:50:26,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:50:26,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:50:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:26,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:50:26,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:50:26,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742374146] [2022-12-13 18:50:26,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742374146] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:50:26,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:50:26,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:50:26,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76121827] [2022-12-13 18:50:26,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:50:26,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:50:26,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:50:26,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:50:26,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:50:26,349 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 463 [2022-12-13 18:50:26,350 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 54 transitions, 114 flow. Second operand has 3 states, 3 states have (on average 192.33333333333334) internal successors, (577), 3 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:26,350 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:50:26,351 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 463 [2022-12-13 18:50:26,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:50:26,963 INFO L130 PetriNetUnfolder]: 3674/6264 cut-off events. [2022-12-13 18:50:26,964 INFO L131 PetriNetUnfolder]: For 70/70 co-relation queries the response was YES. [2022-12-13 18:50:26,972 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11452 conditions, 6264 events. 3674/6264 cut-off events. For 70/70 co-relation queries the response was YES. Maximal size of possible extension queue 256. Compared 37551 event pairs, 3026 based on Foata normal form. 0/5360 useless extension candidates. Maximal degree in co-relation 11449. Up to 4962 conditions per place. [2022-12-13 18:50:27,014 INFO L137 encePairwiseOnDemand]: 459/463 looper letters, 31 selfloop transitions, 1 changer transitions 0/51 dead transitions. [2022-12-13 18:50:27,014 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 51 transitions, 172 flow [2022-12-13 18:50:27,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:50:27,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 18:50:27,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 605 transitions. [2022-12-13 18:50:27,017 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.435565154787617 [2022-12-13 18:50:27,018 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 605 transitions. [2022-12-13 18:50:27,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 605 transitions. [2022-12-13 18:50:27,018 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:50:27,018 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 605 transitions. [2022-12-13 18:50:27,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 201.66666666666666) internal successors, (605), 3 states have internal predecessors, (605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:27,024 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 463.0) internal successors, (1852), 4 states have internal predecessors, (1852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:27,025 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 463.0) internal successors, (1852), 4 states have internal predecessors, (1852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:27,025 INFO L175 Difference]: Start difference. First operand has 59 places, 54 transitions, 114 flow. Second operand 3 states and 605 transitions. [2022-12-13 18:50:27,025 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 51 transitions, 172 flow [2022-12-13 18:50:27,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 51 transitions, 172 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 18:50:27,027 INFO L231 Difference]: Finished difference. Result has 55 places, 51 transitions, 110 flow [2022-12-13 18:50:27,027 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=110, PETRI_PLACES=55, PETRI_TRANSITIONS=51} [2022-12-13 18:50:27,027 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, -51 predicate places. [2022-12-13 18:50:27,028 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 51 transitions, 110 flow [2022-12-13 18:50:27,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 192.33333333333334) internal successors, (577), 3 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:27,028 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:50:27,028 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:50:27,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 18:50:27,029 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2022-12-13 18:50:27,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:50:27,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1591271141, now seen corresponding path program 1 times [2022-12-13 18:50:27,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:50:27,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229305228] [2022-12-13 18:50:27,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:50:27,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:50:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:27,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:50:27,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:50:27,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229305228] [2022-12-13 18:50:27,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229305228] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:50:27,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:50:27,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:50:27,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224288767] [2022-12-13 18:50:27,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:50:27,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 18:50:27,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:50:27,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:50:27,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:50:27,164 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 463 [2022-12-13 18:50:27,165 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 51 transitions, 110 flow. Second operand has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:27,165 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:50:27,165 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 463 [2022-12-13 18:50:27,165 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:50:27,408 INFO L130 PetriNetUnfolder]: 1128/2071 cut-off events. [2022-12-13 18:50:27,408 INFO L131 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2022-12-13 18:50:27,410 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3648 conditions, 2071 events. 1128/2071 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 11565 event pairs, 745 based on Foata normal form. 0/1900 useless extension candidates. Maximal degree in co-relation 3644. Up to 1503 conditions per place. [2022-12-13 18:50:27,415 INFO L137 encePairwiseOnDemand]: 460/463 looper letters, 25 selfloop transitions, 2 changer transitions 0/52 dead transitions. [2022-12-13 18:50:27,416 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 52 transitions, 166 flow [2022-12-13 18:50:27,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:50:27,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 18:50:27,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 628 transitions. [2022-12-13 18:50:27,417 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4521238300935925 [2022-12-13 18:50:27,417 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 628 transitions. [2022-12-13 18:50:27,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 628 transitions. [2022-12-13 18:50:27,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:50:27,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 628 transitions. [2022-12-13 18:50:27,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:27,420 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 463.0) internal successors, (1852), 4 states have internal predecessors, (1852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:27,421 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 463.0) internal successors, (1852), 4 states have internal predecessors, (1852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:27,421 INFO L175 Difference]: Start difference. First operand has 55 places, 51 transitions, 110 flow. Second operand 3 states and 628 transitions. [2022-12-13 18:50:27,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 52 transitions, 166 flow [2022-12-13 18:50:27,421 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 52 transitions, 165 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 18:50:27,422 INFO L231 Difference]: Finished difference. Result has 57 places, 52 transitions, 121 flow [2022-12-13 18:50:27,422 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=121, PETRI_PLACES=57, PETRI_TRANSITIONS=52} [2022-12-13 18:50:27,423 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, -49 predicate places. [2022-12-13 18:50:27,423 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 52 transitions, 121 flow [2022-12-13 18:50:27,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:27,423 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:50:27,423 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:50:27,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 18:50:27,423 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2022-12-13 18:50:27,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:50:27,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1773380814, now seen corresponding path program 1 times [2022-12-13 18:50:27,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:50:27,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302649758] [2022-12-13 18:50:27,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:50:27,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:50:27,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:27,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 18:50:27,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:50:27,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302649758] [2022-12-13 18:50:27,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302649758] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:50:27,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:50:27,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:50:27,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178823004] [2022-12-13 18:50:27,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:50:27,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 18:50:27,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:50:27,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 18:50:27,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:50:27,834 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 463 [2022-12-13 18:50:27,836 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 52 transitions, 121 flow. Second operand has 6 states, 6 states have (on average 195.66666666666666) internal successors, (1174), 6 states have internal predecessors, (1174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:27,836 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:50:27,837 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 463 [2022-12-13 18:50:27,837 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:50:28,697 INFO L130 PetriNetUnfolder]: 4340/6083 cut-off events. [2022-12-13 18:50:28,697 INFO L131 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2022-12-13 18:50:28,702 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11782 conditions, 6083 events. 4340/6083 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 287. Compared 29565 event pairs, 1583 based on Foata normal form. 0/5872 useless extension candidates. Maximal degree in co-relation 11777. Up to 3378 conditions per place. [2022-12-13 18:50:28,717 INFO L137 encePairwiseOnDemand]: 456/463 looper letters, 76 selfloop transitions, 9 changer transitions 0/104 dead transitions. [2022-12-13 18:50:28,718 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 104 transitions, 397 flow [2022-12-13 18:50:28,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 18:50:28,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 18:50:28,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1243 transitions. [2022-12-13 18:50:28,721 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4474442044636429 [2022-12-13 18:50:28,721 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1243 transitions. [2022-12-13 18:50:28,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1243 transitions. [2022-12-13 18:50:28,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:50:28,722 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1243 transitions. [2022-12-13 18:50:28,724 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 207.16666666666666) internal successors, (1243), 6 states have internal predecessors, (1243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:28,728 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 463.0) internal successors, (3241), 7 states have internal predecessors, (3241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:28,729 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 463.0) internal successors, (3241), 7 states have internal predecessors, (3241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:28,729 INFO L175 Difference]: Start difference. First operand has 57 places, 52 transitions, 121 flow. Second operand 6 states and 1243 transitions. [2022-12-13 18:50:28,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 104 transitions, 397 flow [2022-12-13 18:50:28,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 104 transitions, 393 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-12-13 18:50:28,731 INFO L231 Difference]: Finished difference. Result has 66 places, 60 transitions, 181 flow [2022-12-13 18:50:28,731 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=117, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=181, PETRI_PLACES=66, PETRI_TRANSITIONS=60} [2022-12-13 18:50:28,732 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, -40 predicate places. [2022-12-13 18:50:28,732 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 60 transitions, 181 flow [2022-12-13 18:50:28,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 195.66666666666666) internal successors, (1174), 6 states have internal predecessors, (1174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:28,733 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:50:28,733 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:50:28,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 18:50:28,733 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2022-12-13 18:50:28,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:50:28,734 INFO L85 PathProgramCache]: Analyzing trace with hash 868034639, now seen corresponding path program 1 times [2022-12-13 18:50:28,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:50:28,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655202578] [2022-12-13 18:50:28,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:50:28,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:50:28,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:29,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 18:50:29,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:50:29,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655202578] [2022-12-13 18:50:29,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655202578] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:50:29,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:50:29,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:50:29,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714661195] [2022-12-13 18:50:29,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:50:29,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 18:50:29,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:50:29,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 18:50:29,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-13 18:50:29,426 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 463 [2022-12-13 18:50:29,428 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 60 transitions, 181 flow. Second operand has 9 states, 9 states have (on average 190.88888888888889) internal successors, (1718), 9 states have internal predecessors, (1718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:29,429 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:50:29,429 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 463 [2022-12-13 18:50:29,429 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:50:30,194 INFO L130 PetriNetUnfolder]: 4116/5859 cut-off events. [2022-12-13 18:50:30,194 INFO L131 PetriNetUnfolder]: For 1046/1046 co-relation queries the response was YES. [2022-12-13 18:50:30,200 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13532 conditions, 5859 events. 4116/5859 cut-off events. For 1046/1046 co-relation queries the response was YES. Maximal size of possible extension queue 287. Compared 28848 event pairs, 679 based on Foata normal form. 64/5784 useless extension candidates. Maximal degree in co-relation 13523. Up to 1854 conditions per place. [2022-12-13 18:50:30,214 INFO L137 encePairwiseOnDemand]: 457/463 looper letters, 76 selfloop transitions, 8 changer transitions 0/103 dead transitions. [2022-12-13 18:50:30,214 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 103 transitions, 441 flow [2022-12-13 18:50:30,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 18:50:30,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-13 18:50:30,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1399 transitions. [2022-12-13 18:50:30,217 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.431656896019747 [2022-12-13 18:50:30,217 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1399 transitions. [2022-12-13 18:50:30,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1399 transitions. [2022-12-13 18:50:30,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:50:30,225 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1399 transitions. [2022-12-13 18:50:30,227 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 199.85714285714286) internal successors, (1399), 7 states have internal predecessors, (1399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:30,230 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 463.0) internal successors, (3704), 8 states have internal predecessors, (3704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:30,231 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 463.0) internal successors, (3704), 8 states have internal predecessors, (3704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:30,231 INFO L175 Difference]: Start difference. First operand has 66 places, 60 transitions, 181 flow. Second operand 7 states and 1399 transitions. [2022-12-13 18:50:30,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 103 transitions, 441 flow [2022-12-13 18:50:30,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 103 transitions, 438 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 18:50:30,255 INFO L231 Difference]: Finished difference. Result has 70 places, 59 transitions, 190 flow [2022-12-13 18:50:30,255 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=190, PETRI_PLACES=70, PETRI_TRANSITIONS=59} [2022-12-13 18:50:30,255 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, -36 predicate places. [2022-12-13 18:50:30,256 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 59 transitions, 190 flow [2022-12-13 18:50:30,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 190.88888888888889) internal successors, (1718), 9 states have internal predecessors, (1718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:30,256 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:50:30,256 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:50:30,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 18:50:30,257 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2022-12-13 18:50:30,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:50:30,257 INFO L85 PathProgramCache]: Analyzing trace with hash -112660133, now seen corresponding path program 1 times [2022-12-13 18:50:30,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:50:30,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679854840] [2022-12-13 18:50:30,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:50:30,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:50:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:30,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 18:50:30,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:50:30,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679854840] [2022-12-13 18:50:30,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679854840] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:50:30,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:50:30,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:50:30,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627795880] [2022-12-13 18:50:30,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:50:30,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:50:30,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:50:30,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:50:30,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:50:30,340 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 463 [2022-12-13 18:50:30,341 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 59 transitions, 190 flow. Second operand has 4 states, 4 states have (on average 205.0) internal successors, (820), 4 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:30,341 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:50:30,342 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 463 [2022-12-13 18:50:30,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:50:30,886 INFO L130 PetriNetUnfolder]: 2730/4747 cut-off events. [2022-12-13 18:50:30,886 INFO L131 PetriNetUnfolder]: For 1902/1902 co-relation queries the response was YES. [2022-12-13 18:50:30,892 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10318 conditions, 4747 events. 2730/4747 cut-off events. For 1902/1902 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 30104 event pairs, 1227 based on Foata normal form. 162/4513 useless extension candidates. Maximal degree in co-relation 10309. Up to 2819 conditions per place. [2022-12-13 18:50:30,904 INFO L137 encePairwiseOnDemand]: 459/463 looper letters, 47 selfloop transitions, 3 changer transitions 0/78 dead transitions. [2022-12-13 18:50:30,905 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 78 transitions, 348 flow [2022-12-13 18:50:30,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:50:30,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 18:50:30,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 846 transitions. [2022-12-13 18:50:30,907 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.45680345572354214 [2022-12-13 18:50:30,907 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 846 transitions. [2022-12-13 18:50:30,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 846 transitions. [2022-12-13 18:50:30,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:50:30,907 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 846 transitions. [2022-12-13 18:50:30,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 211.5) internal successors, (846), 4 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:30,911 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 463.0) internal successors, (2315), 5 states have internal predecessors, (2315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:30,911 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 463.0) internal successors, (2315), 5 states have internal predecessors, (2315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:30,911 INFO L175 Difference]: Start difference. First operand has 70 places, 59 transitions, 190 flow. Second operand 4 states and 846 transitions. [2022-12-13 18:50:30,911 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 78 transitions, 348 flow [2022-12-13 18:50:30,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 78 transitions, 334 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 18:50:30,917 INFO L231 Difference]: Finished difference. Result has 69 places, 60 transitions, 190 flow [2022-12-13 18:50:30,917 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=190, PETRI_PLACES=69, PETRI_TRANSITIONS=60} [2022-12-13 18:50:30,918 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, -37 predicate places. [2022-12-13 18:50:30,918 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 60 transitions, 190 flow [2022-12-13 18:50:30,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 205.0) internal successors, (820), 4 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:30,918 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:50:30,918 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:50:30,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 18:50:30,918 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2022-12-13 18:50:30,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:50:30,919 INFO L85 PathProgramCache]: Analyzing trace with hash -2098613496, now seen corresponding path program 1 times [2022-12-13 18:50:30,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:50:30,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605046675] [2022-12-13 18:50:30,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:50:30,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:50:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:31,229 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 18:50:31,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:50:31,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605046675] [2022-12-13 18:50:31,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605046675] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:50:31,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:50:31,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:50:31,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460550506] [2022-12-13 18:50:31,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:50:31,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 18:50:31,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:50:31,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 18:50:31,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:50:31,372 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 463 [2022-12-13 18:50:31,372 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 60 transitions, 190 flow. Second operand has 6 states, 6 states have (on average 196.66666666666666) internal successors, (1180), 6 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:31,373 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:50:31,373 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 463 [2022-12-13 18:50:31,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:50:32,139 INFO L130 PetriNetUnfolder]: 3366/5267 cut-off events. [2022-12-13 18:50:32,139 INFO L131 PetriNetUnfolder]: For 2846/2846 co-relation queries the response was YES. [2022-12-13 18:50:32,144 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12493 conditions, 5267 events. 3366/5267 cut-off events. For 2846/2846 co-relation queries the response was YES. Maximal size of possible extension queue 224. Compared 29666 event pairs, 1628 based on Foata normal form. 0/4874 useless extension candidates. Maximal degree in co-relation 12483. Up to 3706 conditions per place. [2022-12-13 18:50:32,155 INFO L137 encePairwiseOnDemand]: 456/463 looper letters, 63 selfloop transitions, 13 changer transitions 0/98 dead transitions. [2022-12-13 18:50:32,156 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 98 transitions, 439 flow [2022-12-13 18:50:32,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 18:50:32,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 18:50:32,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1225 transitions. [2022-12-13 18:50:32,158 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.44096472282217425 [2022-12-13 18:50:32,158 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1225 transitions. [2022-12-13 18:50:32,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1225 transitions. [2022-12-13 18:50:32,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:50:32,158 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1225 transitions. [2022-12-13 18:50:32,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 204.16666666666666) internal successors, (1225), 6 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:32,161 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 463.0) internal successors, (3241), 7 states have internal predecessors, (3241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:32,162 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 463.0) internal successors, (3241), 7 states have internal predecessors, (3241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:32,162 INFO L175 Difference]: Start difference. First operand has 69 places, 60 transitions, 190 flow. Second operand 6 states and 1225 transitions. [2022-12-13 18:50:32,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 98 transitions, 439 flow [2022-12-13 18:50:32,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 98 transitions, 435 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 18:50:32,167 INFO L231 Difference]: Finished difference. Result has 77 places, 72 transitions, 296 flow [2022-12-13 18:50:32,167 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=296, PETRI_PLACES=77, PETRI_TRANSITIONS=72} [2022-12-13 18:50:32,168 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, -29 predicate places. [2022-12-13 18:50:32,168 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 72 transitions, 296 flow [2022-12-13 18:50:32,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 196.66666666666666) internal successors, (1180), 6 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:32,168 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:50:32,169 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:50:32,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 18:50:32,169 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2022-12-13 18:50:32,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:50:32,169 INFO L85 PathProgramCache]: Analyzing trace with hash -209679719, now seen corresponding path program 1 times [2022-12-13 18:50:32,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:50:32,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416966431] [2022-12-13 18:50:32,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:50:32,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:50:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:32,508 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 18:50:32,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:50:32,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416966431] [2022-12-13 18:50:32,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416966431] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:50:32,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:50:32,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:50:32,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632955573] [2022-12-13 18:50:32,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:50:32,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 18:50:32,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:50:32,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 18:50:32,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-12-13 18:50:32,804 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 463 [2022-12-13 18:50:32,805 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 72 transitions, 296 flow. Second operand has 9 states, 9 states have (on average 191.55555555555554) internal successors, (1724), 9 states have internal predecessors, (1724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:32,806 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:50:32,806 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 463 [2022-12-13 18:50:32,806 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:50:33,665 INFO L130 PetriNetUnfolder]: 3326/5243 cut-off events. [2022-12-13 18:50:33,665 INFO L131 PetriNetUnfolder]: For 4443/4443 co-relation queries the response was YES. [2022-12-13 18:50:33,673 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13610 conditions, 5243 events. 3326/5243 cut-off events. For 4443/4443 co-relation queries the response was YES. Maximal size of possible extension queue 224. Compared 29606 event pairs, 1488 based on Foata normal form. 16/4884 useless extension candidates. Maximal degree in co-relation 13596. Up to 3249 conditions per place. [2022-12-13 18:50:33,685 INFO L137 encePairwiseOnDemand]: 457/463 looper letters, 69 selfloop transitions, 8 changer transitions 0/99 dead transitions. [2022-12-13 18:50:33,686 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 99 transitions, 518 flow [2022-12-13 18:50:33,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 18:50:33,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-13 18:50:33,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1383 transitions. [2022-12-13 18:50:33,688 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4267201481024375 [2022-12-13 18:50:33,688 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1383 transitions. [2022-12-13 18:50:33,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1383 transitions. [2022-12-13 18:50:33,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:50:33,688 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1383 transitions. [2022-12-13 18:50:33,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 197.57142857142858) internal successors, (1383), 7 states have internal predecessors, (1383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:33,692 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 463.0) internal successors, (3704), 8 states have internal predecessors, (3704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:33,693 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 463.0) internal successors, (3704), 8 states have internal predecessors, (3704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:33,693 INFO L175 Difference]: Start difference. First operand has 77 places, 72 transitions, 296 flow. Second operand 7 states and 1383 transitions. [2022-12-13 18:50:33,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 99 transitions, 518 flow [2022-12-13 18:50:33,701 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 99 transitions, 514 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 18:50:33,702 INFO L231 Difference]: Finished difference. Result has 81 places, 71 transitions, 304 flow [2022-12-13 18:50:33,702 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=304, PETRI_PLACES=81, PETRI_TRANSITIONS=71} [2022-12-13 18:50:33,703 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, -25 predicate places. [2022-12-13 18:50:33,703 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 71 transitions, 304 flow [2022-12-13 18:50:33,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 191.55555555555554) internal successors, (1724), 9 states have internal predecessors, (1724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:33,703 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:50:33,703 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:50:33,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 18:50:33,703 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2022-12-13 18:50:33,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:50:33,704 INFO L85 PathProgramCache]: Analyzing trace with hash -850082824, now seen corresponding path program 1 times [2022-12-13 18:50:33,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:50:33,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541604014] [2022-12-13 18:50:33,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:50:33,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:50:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:33,767 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 18:50:33,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:50:33,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541604014] [2022-12-13 18:50:33,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541604014] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:50:33,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:50:33,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:50:33,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771423060] [2022-12-13 18:50:33,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:50:33,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:50:33,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:50:33,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:50:33,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:50:33,792 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 463 [2022-12-13 18:50:33,793 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 71 transitions, 304 flow. Second operand has 4 states, 4 states have (on average 206.5) internal successors, (826), 4 states have internal predecessors, (826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:33,793 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:50:33,793 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 463 [2022-12-13 18:50:33,793 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:50:34,544 INFO L130 PetriNetUnfolder]: 3690/6340 cut-off events. [2022-12-13 18:50:34,544 INFO L131 PetriNetUnfolder]: For 6225/6225 co-relation queries the response was YES. [2022-12-13 18:50:34,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15945 conditions, 6340 events. 3690/6340 cut-off events. For 6225/6225 co-relation queries the response was YES. Maximal size of possible extension queue 279. Compared 41705 event pairs, 1598 based on Foata normal form. 240/6131 useless extension candidates. Maximal degree in co-relation 15931. Up to 3712 conditions per place. [2022-12-13 18:50:34,569 INFO L137 encePairwiseOnDemand]: 459/463 looper letters, 65 selfloop transitions, 3 changer transitions 0/99 dead transitions. [2022-12-13 18:50:34,569 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 99 transitions, 578 flow [2022-12-13 18:50:34,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 18:50:34,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 18:50:34,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 846 transitions. [2022-12-13 18:50:34,571 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.45680345572354214 [2022-12-13 18:50:34,571 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 846 transitions. [2022-12-13 18:50:34,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 846 transitions. [2022-12-13 18:50:34,571 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:50:34,571 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 846 transitions. [2022-12-13 18:50:34,572 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 211.5) internal successors, (846), 4 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:34,573 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 463.0) internal successors, (2315), 5 states have internal predecessors, (2315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:34,574 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 463.0) internal successors, (2315), 5 states have internal predecessors, (2315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:34,574 INFO L175 Difference]: Start difference. First operand has 81 places, 71 transitions, 304 flow. Second operand 4 states and 846 transitions. [2022-12-13 18:50:34,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 99 transitions, 578 flow [2022-12-13 18:50:34,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 99 transitions, 564 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 18:50:34,583 INFO L231 Difference]: Finished difference. Result has 80 places, 72 transitions, 304 flow [2022-12-13 18:50:34,583 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=304, PETRI_PLACES=80, PETRI_TRANSITIONS=72} [2022-12-13 18:50:34,583 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, -26 predicate places. [2022-12-13 18:50:34,584 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 72 transitions, 304 flow [2022-12-13 18:50:34,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 206.5) internal successors, (826), 4 states have internal predecessors, (826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:34,584 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:50:34,584 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:50:34,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 18:50:34,584 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2022-12-13 18:50:34,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:50:34,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1320712593, now seen corresponding path program 1 times [2022-12-13 18:50:34,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:50:34,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136344263] [2022-12-13 18:50:34,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:50:34,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:50:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:35,022 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-13 18:50:35,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:50:35,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136344263] [2022-12-13 18:50:35,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136344263] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:50:35,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:50:35,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:50:35,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685048152] [2022-12-13 18:50:35,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:50:35,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 18:50:35,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:50:35,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 18:50:35,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:50:35,214 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 463 [2022-12-13 18:50:35,215 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 72 transitions, 304 flow. Second operand has 6 states, 6 states have (on average 197.66666666666666) internal successors, (1186), 6 states have internal predecessors, (1186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:35,215 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:50:35,215 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 463 [2022-12-13 18:50:35,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:50:36,131 INFO L130 PetriNetUnfolder]: 3685/6079 cut-off events. [2022-12-13 18:50:36,131 INFO L131 PetriNetUnfolder]: For 7514/7514 co-relation queries the response was YES. [2022-12-13 18:50:36,141 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16859 conditions, 6079 events. 3685/6079 cut-off events. For 7514/7514 co-relation queries the response was YES. Maximal size of possible extension queue 265. Compared 37567 event pairs, 2044 based on Foata normal form. 0/5618 useless extension candidates. Maximal degree in co-relation 16844. Up to 4572 conditions per place. [2022-12-13 18:50:36,153 INFO L137 encePairwiseOnDemand]: 456/463 looper letters, 49 selfloop transitions, 16 changer transitions 6/96 dead transitions. [2022-12-13 18:50:36,153 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 96 transitions, 554 flow [2022-12-13 18:50:36,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 18:50:36,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 18:50:36,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1207 transitions. [2022-12-13 18:50:36,155 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.43448524118070553 [2022-12-13 18:50:36,155 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1207 transitions. [2022-12-13 18:50:36,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1207 transitions. [2022-12-13 18:50:36,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:50:36,156 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1207 transitions. [2022-12-13 18:50:36,157 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 201.16666666666666) internal successors, (1207), 6 states have internal predecessors, (1207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:36,159 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 463.0) internal successors, (3241), 7 states have internal predecessors, (3241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:36,160 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 463.0) internal successors, (3241), 7 states have internal predecessors, (3241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:36,160 INFO L175 Difference]: Start difference. First operand has 80 places, 72 transitions, 304 flow. Second operand 6 states and 1207 transitions. [2022-12-13 18:50:36,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 96 transitions, 554 flow [2022-12-13 18:50:36,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 96 transitions, 550 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 18:50:36,170 INFO L231 Difference]: Finished difference. Result has 87 places, 86 transitions, 453 flow [2022-12-13 18:50:36,170 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=453, PETRI_PLACES=87, PETRI_TRANSITIONS=86} [2022-12-13 18:50:36,170 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, -19 predicate places. [2022-12-13 18:50:36,170 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 86 transitions, 453 flow [2022-12-13 18:50:36,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 197.66666666666666) internal successors, (1186), 6 states have internal predecessors, (1186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:36,171 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 18:50:36,171 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:50:36,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 18:50:36,171 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2022-12-13 18:50:36,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:50:36,171 INFO L85 PathProgramCache]: Analyzing trace with hash -954428598, now seen corresponding path program 1 times [2022-12-13 18:50:36,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:50:36,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953728357] [2022-12-13 18:50:36,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:50:36,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:50:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:50:36,556 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-13 18:50:36,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:50:36,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953728357] [2022-12-13 18:50:36,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953728357] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:50:36,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:50:36,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 18:50:36,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184796689] [2022-12-13 18:50:36,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:50:36,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 18:50:36,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:50:36,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 18:50:36,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-13 18:50:36,822 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 463 [2022-12-13 18:50:36,823 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 86 transitions, 453 flow. Second operand has 9 states, 9 states have (on average 192.22222222222223) internal successors, (1730), 9 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:36,823 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 18:50:36,823 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 463 [2022-12-13 18:50:36,823 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 18:50:37,653 INFO L130 PetriNetUnfolder]: 3650/6014 cut-off events. [2022-12-13 18:50:37,653 INFO L131 PetriNetUnfolder]: For 8967/8967 co-relation queries the response was YES. [2022-12-13 18:50:37,663 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17283 conditions, 6014 events. 3650/6014 cut-off events. For 8967/8967 co-relation queries the response was YES. Maximal size of possible extension queue 265. Compared 37250 event pairs, 2028 based on Foata normal form. 4/5563 useless extension candidates. Maximal degree in co-relation 17264. Up to 4479 conditions per place. [2022-12-13 18:50:37,666 INFO L137 encePairwiseOnDemand]: 457/463 looper letters, 0 selfloop transitions, 0 changer transitions 97/97 dead transitions. [2022-12-13 18:50:37,666 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 97 transitions, 641 flow [2022-12-13 18:50:37,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 18:50:37,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-13 18:50:37,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1366 transitions. [2022-12-13 18:50:37,668 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4214748534402962 [2022-12-13 18:50:37,668 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1366 transitions. [2022-12-13 18:50:37,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1366 transitions. [2022-12-13 18:50:37,669 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:50:37,669 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1366 transitions. [2022-12-13 18:50:37,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 195.14285714285714) internal successors, (1366), 7 states have internal predecessors, (1366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:37,673 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 463.0) internal successors, (3704), 8 states have internal predecessors, (3704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:37,673 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 463.0) internal successors, (3704), 8 states have internal predecessors, (3704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:37,673 INFO L175 Difference]: Start difference. First operand has 87 places, 86 transitions, 453 flow. Second operand 7 states and 1366 transitions. [2022-12-13 18:50:37,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 97 transitions, 641 flow [2022-12-13 18:50:37,696 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 97 transitions, 637 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 18:50:37,696 INFO L231 Difference]: Finished difference. Result has 90 places, 0 transitions, 0 flow [2022-12-13 18:50:37,696 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=463, PETRI_DIFFERENCE_MINUEND_FLOW=445, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=90, PETRI_TRANSITIONS=0} [2022-12-13 18:50:37,697 INFO L288 CegarLoopForPetriNet]: 106 programPoint places, -16 predicate places. [2022-12-13 18:50:37,697 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 0 transitions, 0 flow [2022-12-13 18:50:37,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 192.22222222222223) internal successors, (1730), 9 states have internal predecessors, (1730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:50:37,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (85 of 86 remaining) [2022-12-13 18:50:37,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (84 of 86 remaining) [2022-12-13 18:50:37,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (83 of 86 remaining) [2022-12-13 18:50:37,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (82 of 86 remaining) [2022-12-13 18:50:37,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (81 of 86 remaining) [2022-12-13 18:50:37,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (80 of 86 remaining) [2022-12-13 18:50:37,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (79 of 86 remaining) [2022-12-13 18:50:37,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (78 of 86 remaining) [2022-12-13 18:50:37,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (77 of 86 remaining) [2022-12-13 18:50:37,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (76 of 86 remaining) [2022-12-13 18:50:37,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (75 of 86 remaining) [2022-12-13 18:50:37,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (74 of 86 remaining) [2022-12-13 18:50:37,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (73 of 86 remaining) [2022-12-13 18:50:37,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (72 of 86 remaining) [2022-12-13 18:50:37,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (71 of 86 remaining) [2022-12-13 18:50:37,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (70 of 86 remaining) [2022-12-13 18:50:37,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (69 of 86 remaining) [2022-12-13 18:50:37,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (68 of 86 remaining) [2022-12-13 18:50:37,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (67 of 86 remaining) [2022-12-13 18:50:37,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (66 of 86 remaining) [2022-12-13 18:50:37,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (65 of 86 remaining) [2022-12-13 18:50:37,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (64 of 86 remaining) [2022-12-13 18:50:37,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (63 of 86 remaining) [2022-12-13 18:50:37,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (62 of 86 remaining) [2022-12-13 18:50:37,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (61 of 86 remaining) [2022-12-13 18:50:37,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (60 of 86 remaining) [2022-12-13 18:50:37,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (59 of 86 remaining) [2022-12-13 18:50:37,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (58 of 86 remaining) [2022-12-13 18:50:37,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (57 of 86 remaining) [2022-12-13 18:50:37,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (56 of 86 remaining) [2022-12-13 18:50:37,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (55 of 86 remaining) [2022-12-13 18:50:37,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (54 of 86 remaining) [2022-12-13 18:50:37,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (53 of 86 remaining) [2022-12-13 18:50:37,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (52 of 86 remaining) [2022-12-13 18:50:37,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (51 of 86 remaining) [2022-12-13 18:50:37,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (50 of 86 remaining) [2022-12-13 18:50:37,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (49 of 86 remaining) [2022-12-13 18:50:37,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (48 of 86 remaining) [2022-12-13 18:50:37,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (47 of 86 remaining) [2022-12-13 18:50:37,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (46 of 86 remaining) [2022-12-13 18:50:37,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (45 of 86 remaining) [2022-12-13 18:50:37,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (44 of 86 remaining) [2022-12-13 18:50:37,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (43 of 86 remaining) [2022-12-13 18:50:37,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (42 of 86 remaining) [2022-12-13 18:50:37,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (41 of 86 remaining) [2022-12-13 18:50:37,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (40 of 86 remaining) [2022-12-13 18:50:37,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (39 of 86 remaining) [2022-12-13 18:50:37,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (38 of 86 remaining) [2022-12-13 18:50:37,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (37 of 86 remaining) [2022-12-13 18:50:37,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (36 of 86 remaining) [2022-12-13 18:50:37,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (35 of 86 remaining) [2022-12-13 18:50:37,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (34 of 86 remaining) [2022-12-13 18:50:37,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (33 of 86 remaining) [2022-12-13 18:50:37,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (32 of 86 remaining) [2022-12-13 18:50:37,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (31 of 86 remaining) [2022-12-13 18:50:37,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (30 of 86 remaining) [2022-12-13 18:50:37,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (29 of 86 remaining) [2022-12-13 18:50:37,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (28 of 86 remaining) [2022-12-13 18:50:37,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (27 of 86 remaining) [2022-12-13 18:50:37,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (26 of 86 remaining) [2022-12-13 18:50:37,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (25 of 86 remaining) [2022-12-13 18:50:37,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (24 of 86 remaining) [2022-12-13 18:50:37,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (23 of 86 remaining) [2022-12-13 18:50:37,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (22 of 86 remaining) [2022-12-13 18:50:37,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (21 of 86 remaining) [2022-12-13 18:50:37,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (20 of 86 remaining) [2022-12-13 18:50:37,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (19 of 86 remaining) [2022-12-13 18:50:37,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (18 of 86 remaining) [2022-12-13 18:50:37,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (17 of 86 remaining) [2022-12-13 18:50:37,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (16 of 86 remaining) [2022-12-13 18:50:37,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (15 of 86 remaining) [2022-12-13 18:50:37,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (14 of 86 remaining) [2022-12-13 18:50:37,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 86 remaining) [2022-12-13 18:50:37,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (12 of 86 remaining) [2022-12-13 18:50:37,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (11 of 86 remaining) [2022-12-13 18:50:37,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (10 of 86 remaining) [2022-12-13 18:50:37,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (9 of 86 remaining) [2022-12-13 18:50:37,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (8 of 86 remaining) [2022-12-13 18:50:37,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (7 of 86 remaining) [2022-12-13 18:50:37,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (6 of 86 remaining) [2022-12-13 18:50:37,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (5 of 86 remaining) [2022-12-13 18:50:37,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (4 of 86 remaining) [2022-12-13 18:50:37,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (3 of 86 remaining) [2022-12-13 18:50:37,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (2 of 86 remaining) [2022-12-13 18:50:37,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (1 of 86 remaining) [2022-12-13 18:50:37,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (0 of 86 remaining) [2022-12-13 18:50:37,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 18:50:37,705 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:50:37,709 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 18:50:37,709 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:50:37,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:50:37 BasicIcfg [2022-12-13 18:50:37,712 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:50:37,712 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:50:37,712 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:50:37,712 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:50:37,713 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:50:15" (3/4) ... [2022-12-13 18:50:37,714 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 18:50:37,718 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 18:50:37,718 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 18:50:37,718 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-12-13 18:50:37,718 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-12-13 18:50:37,721 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-12-13 18:50:37,721 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 18:50:37,722 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 18:50:37,722 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 18:50:37,747 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d2ea70-4f01-4641-b86d-3f56f91a77fe/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 18:50:37,747 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:50:37,747 INFO L158 Benchmark]: Toolchain (without parser) took 22945.60ms. Allocated memory was 142.6MB in the beginning and 822.1MB in the end (delta: 679.5MB). Free memory was 101.3MB in the beginning and 503.3MB in the end (delta: -402.0MB). Peak memory consumption was 279.1MB. Max. memory is 16.1GB. [2022-12-13 18:50:37,748 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 142.6MB. Free memory is still 109.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:50:37,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.29ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 86.6MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 18:50:37,748 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.24ms. Allocated memory is still 142.6MB. Free memory was 86.6MB in the beginning and 83.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 18:50:37,748 INFO L158 Benchmark]: Boogie Preprocessor took 32.15ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 80.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:50:37,748 INFO L158 Benchmark]: RCFGBuilder took 886.82ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 80.9MB in the beginning and 117.9MB in the end (delta: -37.1MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2022-12-13 18:50:37,749 INFO L158 Benchmark]: TraceAbstraction took 21734.21ms. Allocated memory was 182.5MB in the beginning and 822.1MB in the end (delta: 639.6MB). Free memory was 116.9MB in the beginning and 507.4MB in the end (delta: -390.6MB). Peak memory consumption was 249.1MB. Max. memory is 16.1GB. [2022-12-13 18:50:37,749 INFO L158 Benchmark]: Witness Printer took 34.83ms. Allocated memory is still 822.1MB. Free memory was 507.4MB in the beginning and 503.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 18:50:37,750 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 142.6MB. Free memory is still 109.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.29ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 86.6MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.24ms. Allocated memory is still 142.6MB. Free memory was 86.6MB in the beginning and 83.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.15ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 80.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 886.82ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 80.9MB in the beginning and 117.9MB in the end (delta: -37.1MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. * TraceAbstraction took 21734.21ms. Allocated memory was 182.5MB in the beginning and 822.1MB in the end (delta: 639.6MB). Free memory was 116.9MB in the beginning and 507.4MB in the end (delta: -390.6MB). Peak memory consumption was 249.1MB. Max. memory is 16.1GB. * Witness Printer took 34.83ms. Allocated memory is still 822.1MB. Free memory was 507.4MB in the beginning and 503.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.5s, 240 PlacesBefore, 106 PlacesAfterwards, 238 TransitionsBefore, 100 TransitionsAfterwards, 9284 CoEnabledTransitionPairs, 8 FixpointIterations, 111 TrivialSequentialCompositions, 64 ConcurrentSequentialCompositions, 10 TrivialYvCompositions, 10 ConcurrentYvCompositions, 4 ChoiceCompositions, 199 TotalNumberOfCompositions, 58224 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 21211, independent: 20247, independent conditional: 0, independent unconditional: 20247, dependent: 964, dependent conditional: 0, dependent unconditional: 964, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4267, independent: 4137, independent conditional: 0, independent unconditional: 4137, dependent: 130, dependent conditional: 0, dependent unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 21211, independent: 16110, independent conditional: 0, independent unconditional: 16110, dependent: 834, dependent conditional: 0, dependent unconditional: 834, unknown: 4267, unknown conditional: 0, unknown unconditional: 4267] , Statistics on independence cache: Total cache size (in pairs): 1247, Positive cache size: 1183, Positive conditional cache size: 0, Positive unconditional cache size: 1183, Negative cache size: 64, Negative conditional cache size: 0, Negative unconditional cache size: 64, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: 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: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: 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: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: 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: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: 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 - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 334 locations, 86 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: 21.6s, OverallIterations: 11, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1385 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 970 mSDsluCounter, 231 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 206 mSDsCounter, 526 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3212 IncrementalHoareTripleChecker+Invalid, 3738 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 526 mSolverCounterUnsat, 25 mSDtfsCounter, 3212 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=453occurred in iteration=10, InterpolantAutomatonStates: 55, 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, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 283 NumberOfCodeBlocks, 283 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 272 ConstructedInterpolants, 0 QuantifiedInterpolants, 1234 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 22/22 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 46 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 18:50:37,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d2ea70-4f01-4641-b86d-3f56f91a77fe/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