./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i --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_4e1f2087-54ac-48e6-9fd2-bd336fc6c04f/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1f2087-54ac-48e6-9fd2-bd336fc6c04f/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_4e1f2087-54ac-48e6-9fd2-bd336fc6c04f/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1f2087-54ac-48e6-9fd2-bd336fc6c04f/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1f2087-54ac-48e6-9fd2-bd336fc6c04f/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_4e1f2087-54ac-48e6-9fd2-bd336fc6c04f/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 16b41d7352a3e7bca6c65d29839f35cd9a045339e5497acb7d0d6bf7ecef2ad7 --- 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 22:37:02,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:37:02,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:37:02,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:37:02,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:37:02,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:37:02,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:37:02,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:37:02,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:37:02,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:37:02,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:37:02,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:37:02,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:37:02,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:37:02,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:37:02,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:37:02,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:37:02,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:37:02,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:37:02,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:37:02,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:37:02,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:37:02,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:37:02,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:37:02,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:37:02,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:37:02,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:37:02,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:37:02,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:37:02,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:37:02,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:37:02,739 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:37:02,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:37:02,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:37:02,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:37:02,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:37:02,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:37:02,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:37:02,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:37:02,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:37:02,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:37:02,745 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1f2087-54ac-48e6-9fd2-bd336fc6c04f/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 22:37:02,765 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:37:02,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:37:02,765 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:37:02,765 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:37:02,766 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 22:37:02,766 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 22:37:02,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:37:02,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:37:02,767 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:37:02,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:37:02,768 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 22:37:02,768 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 22:37:02,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 22:37:02,768 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 22:37:02,768 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:37:02,768 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 22:37:02,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 22:37:02,769 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 22:37:02,769 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 22:37:02,769 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 22:37:02,769 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:37:02,769 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:37:02,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 22:37:02,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:37:02,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:37:02,770 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 22:37:02,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:37:02,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:37:02,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 22:37:02,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 22:37:02,771 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 22:37:02,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 22:37:02,771 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 22:37:02,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 22:37:02,771 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 22:37:02,771 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 22:37:02,772 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 22:37:02,772 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_4e1f2087-54ac-48e6-9fd2-bd336fc6c04f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1f2087-54ac-48e6-9fd2-bd336fc6c04f/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16b41d7352a3e7bca6c65d29839f35cd9a045339e5497acb7d0d6bf7ecef2ad7 [2022-12-13 22:37:02,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:37:02,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:37:02,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:37:02,994 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:37:02,994 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:37:02,996 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1f2087-54ac-48e6-9fd2-bd336fc6c04f/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i [2022-12-13 22:37:05,542 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:37:05,695 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:37:05,695 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1f2087-54ac-48e6-9fd2-bd336fc6c04f/sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i [2022-12-13 22:37:05,705 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1f2087-54ac-48e6-9fd2-bd336fc6c04f/bin/uautomizer-uyxdKDjOR8/data/6901b0c78/e1b8991fb51e45a19c1243ba5ce2cc0e/FLAGb9bbd0ef1 [2022-12-13 22:37:05,715 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1f2087-54ac-48e6-9fd2-bd336fc6c04f/bin/uautomizer-uyxdKDjOR8/data/6901b0c78/e1b8991fb51e45a19c1243ba5ce2cc0e [2022-12-13 22:37:05,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:37:05,718 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:37:05,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:37:05,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:37:05,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:37:05,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:37:05" (1/1) ... [2022-12-13 22:37:05,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34423dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:05, skipping insertion in model container [2022-12-13 22:37:05,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:37:05" (1/1) ... [2022-12-13 22:37:05,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:37:05,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:37:05,860 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_4e1f2087-54ac-48e6-9fd2-bd336fc6c04f/sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i[1097,1110] [2022-12-13 22:37:05,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:37:05,981 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:37:05,989 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_4e1f2087-54ac-48e6-9fd2-bd336fc6c04f/sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i[1097,1110] [2022-12-13 22:37:06,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:37:06,030 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:37:06,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:06 WrapperNode [2022-12-13 22:37:06,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:37:06,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:37:06,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:37:06,032 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:37:06,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:06" (1/1) ... [2022-12-13 22:37:06,046 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:06" (1/1) ... [2022-12-13 22:37:06,060 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2022-12-13 22:37:06,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:37:06,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:37:06,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:37:06,061 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:37:06,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:06" (1/1) ... [2022-12-13 22:37:06,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:06" (1/1) ... [2022-12-13 22:37:06,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:06" (1/1) ... [2022-12-13 22:37:06,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:06" (1/1) ... [2022-12-13 22:37:06,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:06" (1/1) ... [2022-12-13 22:37:06,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:06" (1/1) ... [2022-12-13 22:37:06,075 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:06" (1/1) ... [2022-12-13 22:37:06,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:06" (1/1) ... [2022-12-13 22:37:06,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:37:06,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:37:06,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:37:06,079 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:37:06,079 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:06" (1/1) ... [2022-12-13 22:37:06,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:37:06,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1f2087-54ac-48e6-9fd2-bd336fc6c04f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:37:06,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1f2087-54ac-48e6-9fd2-bd336fc6c04f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 22:37:06,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1f2087-54ac-48e6-9fd2-bd336fc6c04f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 22:37:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 22:37:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 22:37:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 22:37:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 22:37:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 22:37:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-13 22:37:06,132 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-13 22:37:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 22:37:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 22:37:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:37:06,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:37:06,133 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 22:37:06,229 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:37:06,230 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:37:06,394 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:37:06,400 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:37:06,400 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 22:37:06,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:37:06 BoogieIcfgContainer [2022-12-13 22:37:06,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:37:06,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 22:37:06,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 22:37:06,406 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 22:37:06,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:37:05" (1/3) ... [2022-12-13 22:37:06,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c497e69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:37:06, skipping insertion in model container [2022-12-13 22:37:06,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:37:06" (2/3) ... [2022-12-13 22:37:06,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c497e69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:37:06, skipping insertion in model container [2022-12-13 22:37:06,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:37:06" (3/3) ... [2022-12-13 22:37:06,408 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_31-traces-mine-vs-mutex_true.i [2022-12-13 22:37:06,414 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 22:37:06,430 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 22:37:06,431 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-12-13 22:37:06,431 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 22:37:06,491 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-13 22:37:06,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 108 places, 105 transitions, 218 flow [2022-12-13 22:37:06,553 INFO L130 PetriNetUnfolder]: 1/104 cut-off events. [2022-12-13 22:37:06,553 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 22:37:06,557 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109 conditions, 104 events. 1/104 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 76 event pairs, 0 based on Foata normal form. 0/97 useless extension candidates. Maximal degree in co-relation 64. Up to 2 conditions per place. [2022-12-13 22:37:06,557 INFO L82 GeneralOperation]: Start removeDead. Operand has 108 places, 105 transitions, 218 flow [2022-12-13 22:37:06,560 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 99 places, 96 transitions, 195 flow [2022-12-13 22:37:06,563 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 22:37:06,571 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 96 transitions, 195 flow [2022-12-13 22:37:06,573 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 96 transitions, 195 flow [2022-12-13 22:37:06,574 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 99 places, 96 transitions, 195 flow [2022-12-13 22:37:06,594 INFO L130 PetriNetUnfolder]: 1/96 cut-off events. [2022-12-13 22:37:06,594 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 22:37:06,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 96 events. 1/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 76 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 64. Up to 2 conditions per place. [2022-12-13 22:37:06,596 INFO L119 LiptonReduction]: Number of co-enabled transitions 2040 [2022-12-13 22:37:08,525 INFO L134 LiptonReduction]: Checked pairs total: 8072 [2022-12-13 22:37:08,526 INFO L136 LiptonReduction]: Total number of compositions: 66 [2022-12-13 22:37:08,536 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 22:37:08,540 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;@24553e10, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 22:37:08,540 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2022-12-13 22:37:08,543 INFO L130 PetriNetUnfolder]: 0/8 cut-off events. [2022-12-13 22:37:08,543 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 22:37:08,543 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:37:08,543 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 22:37:08,544 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2022-12-13 22:37:08,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:37:08,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1611898533, now seen corresponding path program 1 times [2022-12-13 22:37:08,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:37:08,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352619066] [2022-12-13 22:37:08,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:37:08,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:37:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:08,693 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 22:37:08,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:37:08,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352619066] [2022-12-13 22:37:08,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352619066] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:37:08,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:37:08,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 22:37:08,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123042635] [2022-12-13 22:37:08,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:37:08,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:37:08,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:37:08,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:37:08,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:37:08,739 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 171 [2022-12-13 22:37:08,742 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 36 transitions, 75 flow. Second operand has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 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 22:37:08,742 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:37:08,742 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 171 [2022-12-13 22:37:08,743 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:37:08,858 INFO L130 PetriNetUnfolder]: 193/483 cut-off events. [2022-12-13 22:37:08,858 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 22:37:08,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 919 conditions, 483 events. 193/483 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2231 event pairs, 65 based on Foata normal form. 21/456 useless extension candidates. Maximal degree in co-relation 910. Up to 275 conditions per place. [2022-12-13 22:37:08,861 INFO L137 encePairwiseOnDemand]: 161/171 looper letters, 41 selfloop transitions, 6 changer transitions 0/52 dead transitions. [2022-12-13 22:37:08,861 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 52 transitions, 201 flow [2022-12-13 22:37:08,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:37:08,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 22:37:08,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 322 transitions. [2022-12-13 22:37:08,871 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6276803118908382 [2022-12-13 22:37:08,872 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 322 transitions. [2022-12-13 22:37:08,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 322 transitions. [2022-12-13 22:37:08,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:37:08,875 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 322 transitions. [2022-12-13 22:37:08,877 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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 22:37:08,880 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 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 22:37:08,881 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 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 22:37:08,882 INFO L175 Difference]: Start difference. First operand has 39 places, 36 transitions, 75 flow. Second operand 3 states and 322 transitions. [2022-12-13 22:37:08,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 52 transitions, 201 flow [2022-12-13 22:37:08,885 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 52 transitions, 200 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 22:37:08,886 INFO L231 Difference]: Finished difference. Result has 40 places, 37 transitions, 110 flow [2022-12-13 22:37:08,887 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=110, PETRI_PLACES=40, PETRI_TRANSITIONS=37} [2022-12-13 22:37:08,890 INFO L288 CegarLoopForPetriNet]: 39 programPoint places, 1 predicate places. [2022-12-13 22:37:08,890 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 37 transitions, 110 flow [2022-12-13 22:37:08,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 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 22:37:08,891 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:37:08,891 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:37:08,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 22:37:08,891 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2022-12-13 22:37:08,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:37:08,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1958899777, now seen corresponding path program 1 times [2022-12-13 22:37:08,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:37:08,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79460652] [2022-12-13 22:37:08,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:37:08,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:37:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:08,939 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 22:37:08,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:37:08,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79460652] [2022-12-13 22:37:08,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79460652] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:37:08,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:37:08,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 22:37:08,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495175752] [2022-12-13 22:37:08,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:37:08,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:37:08,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:37:08,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:37:08,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:37:08,965 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 171 [2022-12-13 22:37:08,965 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 37 transitions, 110 flow. Second operand has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 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 22:37:08,966 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:37:08,966 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 171 [2022-12-13 22:37:08,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:37:09,061 INFO L130 PetriNetUnfolder]: 202/492 cut-off events. [2022-12-13 22:37:09,062 INFO L131 PetriNetUnfolder]: For 123/128 co-relation queries the response was YES. [2022-12-13 22:37:09,063 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1101 conditions, 492 events. 202/492 cut-off events. For 123/128 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2205 event pairs, 153 based on Foata normal form. 0/435 useless extension candidates. Maximal degree in co-relation 1091. Up to 422 conditions per place. [2022-12-13 22:37:09,064 INFO L137 encePairwiseOnDemand]: 167/171 looper letters, 41 selfloop transitions, 3 changer transitions 0/49 dead transitions. [2022-12-13 22:37:09,064 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 49 transitions, 230 flow [2022-12-13 22:37:09,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:37:09,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 22:37:09,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 317 transitions. [2022-12-13 22:37:09,066 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6179337231968811 [2022-12-13 22:37:09,066 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 317 transitions. [2022-12-13 22:37:09,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 317 transitions. [2022-12-13 22:37:09,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:37:09,066 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 317 transitions. [2022-12-13 22:37:09,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 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 22:37:09,068 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 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 22:37:09,068 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 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 22:37:09,068 INFO L175 Difference]: Start difference. First operand has 40 places, 37 transitions, 110 flow. Second operand 3 states and 317 transitions. [2022-12-13 22:37:09,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 49 transitions, 230 flow [2022-12-13 22:37:09,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 49 transitions, 214 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 22:37:09,070 INFO L231 Difference]: Finished difference. Result has 41 places, 39 transitions, 119 flow [2022-12-13 22:37:09,070 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=119, PETRI_PLACES=41, PETRI_TRANSITIONS=39} [2022-12-13 22:37:09,071 INFO L288 CegarLoopForPetriNet]: 39 programPoint places, 2 predicate places. [2022-12-13 22:37:09,071 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 39 transitions, 119 flow [2022-12-13 22:37:09,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 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 22:37:09,071 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:37:09,071 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:37:09,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 22:37:09,072 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2022-12-13 22:37:09,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:37:09,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1352955289, now seen corresponding path program 1 times [2022-12-13 22:37:09,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:37:09,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524097651] [2022-12-13 22:37:09,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:37:09,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:37:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:09,247 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 22:37:09,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:37:09,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524097651] [2022-12-13 22:37:09,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524097651] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:37:09,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:37:09,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 22:37:09,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907137789] [2022-12-13 22:37:09,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:37:09,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:37:09,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:37:09,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:37:09,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:37:09,269 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 171 [2022-12-13 22:37:09,270 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 39 transitions, 119 flow. Second operand has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 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 22:37:09,270 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:37:09,271 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 171 [2022-12-13 22:37:09,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:37:09,356 INFO L130 PetriNetUnfolder]: 138/378 cut-off events. [2022-12-13 22:37:09,356 INFO L131 PetriNetUnfolder]: For 76/89 co-relation queries the response was YES. [2022-12-13 22:37:09,357 INFO L83 FinitePrefix]: Finished finitePrefix Result has 823 conditions, 378 events. 138/378 cut-off events. For 76/89 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1752 event pairs, 86 based on Foata normal form. 5/358 useless extension candidates. Maximal degree in co-relation 812. Up to 245 conditions per place. [2022-12-13 22:37:09,359 INFO L137 encePairwiseOnDemand]: 169/171 looper letters, 34 selfloop transitions, 1 changer transitions 2/49 dead transitions. [2022-12-13 22:37:09,359 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 49 transitions, 218 flow [2022-12-13 22:37:09,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:37:09,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 22:37:09,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 324 transitions. [2022-12-13 22:37:09,362 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.631578947368421 [2022-12-13 22:37:09,362 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 324 transitions. [2022-12-13 22:37:09,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 324 transitions. [2022-12-13 22:37:09,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:37:09,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 324 transitions. [2022-12-13 22:37:09,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 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 22:37:09,367 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 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 22:37:09,368 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 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 22:37:09,368 INFO L175 Difference]: Start difference. First operand has 41 places, 39 transitions, 119 flow. Second operand 3 states and 324 transitions. [2022-12-13 22:37:09,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 49 transitions, 218 flow [2022-12-13 22:37:09,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 49 transitions, 214 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 22:37:09,369 INFO L231 Difference]: Finished difference. Result has 41 places, 38 transitions, 116 flow [2022-12-13 22:37:09,370 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=116, PETRI_PLACES=41, PETRI_TRANSITIONS=38} [2022-12-13 22:37:09,370 INFO L288 CegarLoopForPetriNet]: 39 programPoint places, 2 predicate places. [2022-12-13 22:37:09,370 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 38 transitions, 116 flow [2022-12-13 22:37:09,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 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 22:37:09,370 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:37:09,370 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:37:09,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 22:37:09,371 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2022-12-13 22:37:09,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:37:09,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1958987862, now seen corresponding path program 1 times [2022-12-13 22:37:09,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:37:09,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485848460] [2022-12-13 22:37:09,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:37:09,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:37:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:09,458 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 22:37:09,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:37:09,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485848460] [2022-12-13 22:37:09,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485848460] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:37:09,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:37:09,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 22:37:09,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096693720] [2022-12-13 22:37:09,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:37:09,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 22:37:09,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:37:09,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 22:37:09,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 22:37:09,499 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 171 [2022-12-13 22:37:09,500 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 38 transitions, 116 flow. Second operand has 4 states, 4 states have (on average 97.5) internal successors, (390), 4 states have internal predecessors, (390), 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 22:37:09,500 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:37:09,501 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 171 [2022-12-13 22:37:09,501 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:37:09,547 INFO L130 PetriNetUnfolder]: 30/137 cut-off events. [2022-12-13 22:37:09,547 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-12-13 22:37:09,547 INFO L83 FinitePrefix]: Finished finitePrefix Result has 282 conditions, 137 events. 30/137 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 382 event pairs, 3 based on Foata normal form. 15/150 useless extension candidates. Maximal degree in co-relation 271. Up to 84 conditions per place. [2022-12-13 22:37:09,548 INFO L137 encePairwiseOnDemand]: 166/171 looper letters, 18 selfloop transitions, 4 changer transitions 4/34 dead transitions. [2022-12-13 22:37:09,548 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 34 transitions, 142 flow [2022-12-13 22:37:09,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 22:37:09,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 22:37:09,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 407 transitions. [2022-12-13 22:37:09,550 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5950292397660819 [2022-12-13 22:37:09,550 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 407 transitions. [2022-12-13 22:37:09,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 407 transitions. [2022-12-13 22:37:09,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:37:09,550 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 407 transitions. [2022-12-13 22:37:09,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 101.75) internal successors, (407), 4 states have internal predecessors, (407), 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 22:37:09,552 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 171.0) internal successors, (855), 5 states have internal predecessors, (855), 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 22:37:09,552 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 171.0) internal successors, (855), 5 states have internal predecessors, (855), 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 22:37:09,552 INFO L175 Difference]: Start difference. First operand has 41 places, 38 transitions, 116 flow. Second operand 4 states and 407 transitions. [2022-12-13 22:37:09,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 34 transitions, 142 flow [2022-12-13 22:37:09,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 34 transitions, 133 flow, removed 2 selfloop flow, removed 3 redundant places. [2022-12-13 22:37:09,553 INFO L231 Difference]: Finished difference. Result has 39 places, 27 transitions, 77 flow [2022-12-13 22:37:09,553 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=77, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=77, PETRI_PLACES=39, PETRI_TRANSITIONS=27} [2022-12-13 22:37:09,554 INFO L288 CegarLoopForPetriNet]: 39 programPoint places, 0 predicate places. [2022-12-13 22:37:09,554 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 27 transitions, 77 flow [2022-12-13 22:37:09,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 97.5) internal successors, (390), 4 states have internal predecessors, (390), 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 22:37:09,554 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 22:37:09,554 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:37:09,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 22:37:09,554 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2022-12-13 22:37:09,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:37:09,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1072691780, now seen corresponding path program 1 times [2022-12-13 22:37:09,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:37:09,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271459144] [2022-12-13 22:37:09,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:37:09,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:37:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:37:09,576 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 22:37:09,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:37:09,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271459144] [2022-12-13 22:37:09,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271459144] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:37:09,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:37:09,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 22:37:09,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969114463] [2022-12-13 22:37:09,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:37:09,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 22:37:09,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:37:09,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 22:37:09,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 22:37:09,597 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 171 [2022-12-13 22:37:09,598 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 27 transitions, 77 flow. Second operand has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 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 22:37:09,598 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 22:37:09,598 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 171 [2022-12-13 22:37:09,599 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 22:37:09,639 INFO L130 PetriNetUnfolder]: 36/113 cut-off events. [2022-12-13 22:37:09,639 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-12-13 22:37:09,639 INFO L83 FinitePrefix]: Finished finitePrefix Result has 256 conditions, 113 events. 36/113 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 250 event pairs, 33 based on Foata normal form. 5/118 useless extension candidates. Maximal degree in co-relation 245. Up to 100 conditions per place. [2022-12-13 22:37:09,639 INFO L137 encePairwiseOnDemand]: 169/171 looper letters, 0 selfloop transitions, 0 changer transitions 29/29 dead transitions. [2022-12-13 22:37:09,639 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 29 transitions, 135 flow [2022-12-13 22:37:09,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 22:37:09,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 22:37:09,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 303 transitions. [2022-12-13 22:37:09,640 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5906432748538012 [2022-12-13 22:37:09,640 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 303 transitions. [2022-12-13 22:37:09,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 303 transitions. [2022-12-13 22:37:09,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 22:37:09,641 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 303 transitions. [2022-12-13 22:37:09,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 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 22:37:09,642 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 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 22:37:09,642 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 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 22:37:09,642 INFO L175 Difference]: Start difference. First operand has 39 places, 27 transitions, 77 flow. Second operand 3 states and 303 transitions. [2022-12-13 22:37:09,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 29 transitions, 135 flow [2022-12-13 22:37:09,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 29 transitions, 131 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 22:37:09,643 INFO L231 Difference]: Finished difference. Result has 34 places, 0 transitions, 0 flow [2022-12-13 22:37:09,643 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=71, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=34, PETRI_TRANSITIONS=0} [2022-12-13 22:37:09,644 INFO L288 CegarLoopForPetriNet]: 39 programPoint places, -5 predicate places. [2022-12-13 22:37:09,644 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 0 transitions, 0 flow [2022-12-13 22:37:09,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 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 22:37:09,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (10 of 11 remaining) [2022-12-13 22:37:09,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining) [2022-12-13 22:37:09,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 11 remaining) [2022-12-13 22:37:09,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining) [2022-12-13 22:37:09,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 11 remaining) [2022-12-13 22:37:09,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining) [2022-12-13 22:37:09,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining) [2022-12-13 22:37:09,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining) [2022-12-13 22:37:09,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining) [2022-12-13 22:37:09,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining) [2022-12-13 22:37:09,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining) [2022-12-13 22:37:09,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 22:37:09,648 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-13 22:37:09,651 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 22:37:09,651 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 22:37:09,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 10:37:09 BasicIcfg [2022-12-13 22:37:09,654 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 22:37:09,654 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 22:37:09,654 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 22:37:09,655 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 22:37:09,655 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:37:06" (3/4) ... [2022-12-13 22:37:09,657 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 22:37:09,662 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-12-13 22:37:09,664 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-12-13 22:37:09,665 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 22:37:09,665 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 22:37:09,665 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 22:37:09,688 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1f2087-54ac-48e6-9fd2-bd336fc6c04f/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 22:37:09,688 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 22:37:09,688 INFO L158 Benchmark]: Toolchain (without parser) took 3970.30ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 93.2MB in the beginning and 99.4MB in the end (delta: -6.1MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2022-12-13 22:37:09,688 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 136.3MB. Free memory was 106.8MB in the beginning and 106.8MB in the end (delta: 7.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:37:09,689 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.06ms. Allocated memory is still 136.3MB. Free memory was 93.2MB in the beginning and 73.9MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 22:37:09,689 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.03ms. Allocated memory is still 136.3MB. Free memory was 73.9MB in the beginning and 71.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:37:09,689 INFO L158 Benchmark]: Boogie Preprocessor took 17.25ms. Allocated memory is still 136.3MB. Free memory was 71.7MB in the beginning and 70.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:37:09,689 INFO L158 Benchmark]: RCFGBuilder took 323.05ms. Allocated memory is still 136.3MB. Free memory was 70.2MB in the beginning and 55.9MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 22:37:09,690 INFO L158 Benchmark]: TraceAbstraction took 3250.77ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 55.1MB in the beginning and 101.5MB in the end (delta: -46.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:37:09,690 INFO L158 Benchmark]: Witness Printer took 33.39ms. Allocated memory is still 169.9MB. Free memory was 101.5MB in the beginning and 99.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:37:09,691 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 136.3MB. Free memory was 106.8MB in the beginning and 106.8MB in the end (delta: 7.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.06ms. Allocated memory is still 136.3MB. Free memory was 93.2MB in the beginning and 73.9MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.03ms. Allocated memory is still 136.3MB. Free memory was 73.9MB in the beginning and 71.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.25ms. Allocated memory is still 136.3MB. Free memory was 71.7MB in the beginning and 70.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 323.05ms. Allocated memory is still 136.3MB. Free memory was 70.2MB in the beginning and 55.9MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3250.77ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 55.1MB in the beginning and 101.5MB in the end (delta: -46.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 33.39ms. Allocated memory is still 169.9MB. Free memory was 101.5MB in the beginning and 99.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.0s, 99 PlacesBefore, 39 PlacesAfterwards, 96 TransitionsBefore, 36 TransitionsAfterwards, 2040 CoEnabledTransitionPairs, 6 FixpointIterations, 30 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 66 TotalNumberOfCompositions, 8072 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1936, independent: 1550, independent conditional: 0, independent unconditional: 1550, dependent: 386, dependent conditional: 0, dependent unconditional: 386, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 925, independent: 865, independent conditional: 0, independent unconditional: 865, dependent: 60, dependent conditional: 0, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1936, independent: 685, independent conditional: 0, independent unconditional: 685, dependent: 326, dependent conditional: 0, dependent unconditional: 326, unknown: 925, unknown conditional: 0, unknown unconditional: 925] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 47, Positive conditional cache size: 0, Positive unconditional cache size: 47, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: 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 3 procedures, 141 locations, 11 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: 3.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 272 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 134 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 386 IncrementalHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 38 mSDtfsCounter, 386 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119occurred in iteration=2, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 138 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 22:37:09,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e1f2087-54ac-48e6-9fd2-bd336fc6c04f/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