./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/clever.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_a2031452-4bfb-4b5d-a095-563fd8b11c64/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2031452-4bfb-4b5d-a095-563fd8b11c64/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_a2031452-4bfb-4b5d-a095-563fd8b11c64/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2031452-4bfb-4b5d-a095-563fd8b11c64/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/clever.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2031452-4bfb-4b5d-a095-563fd8b11c64/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_a2031452-4bfb-4b5d-a095-563fd8b11c64/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 93a2fdd4bcf1d0c2ab8b4e49feeb28ec4b1782148939310f1cb0ffe97948195e --- 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 16:59:03,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:59:03,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:59:03,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:59:03,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:59:03,512 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:59:03,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:59:03,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:59:03,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:59:03,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:59:03,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:59:03,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:59:03,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:59:03,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:59:03,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:59:03,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:59:03,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:59:03,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:59:03,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:59:03,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:59:03,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:59:03,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:59:03,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:59:03,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:59:03,528 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:59:03,528 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:59:03,529 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:59:03,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:59:03,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:59:03,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:59:03,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:59:03,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:59:03,531 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:59:03,532 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:59:03,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:59:03,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:59:03,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:59:03,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:59:03,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:59:03,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:59:03,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:59:03,535 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2031452-4bfb-4b5d-a095-563fd8b11c64/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 16:59:03,549 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:59:03,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:59:03,550 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:59:03,550 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:59:03,551 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:59:03,551 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:59:03,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:59:03,551 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:59:03,551 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:59:03,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:59:03,552 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 16:59:03,552 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:59:03,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:59:03,552 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 16:59:03,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:59:03,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:59:03,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:59:03,553 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:59:03,553 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 16:59:03,553 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 16:59:03,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:59:03,553 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:59:03,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:59:03,554 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:59:03,554 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:59:03,554 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:59:03,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:59:03,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:59:03,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:59:03,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:59:03,555 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:59:03,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 16:59:03,555 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:59:03,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:59:03,555 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:59:03,555 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:59:03,555 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:59:03,555 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_a2031452-4bfb-4b5d-a095-563fd8b11c64/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2031452-4bfb-4b5d-a095-563fd8b11c64/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93a2fdd4bcf1d0c2ab8b4e49feeb28ec4b1782148939310f1cb0ffe97948195e [2022-12-13 16:59:03,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:59:03,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:59:03,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:59:03,765 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:59:03,765 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:59:03,766 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2031452-4bfb-4b5d-a095-563fd8b11c64/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/clever.wvr.c [2022-12-13 16:59:06,289 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:59:06,442 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:59:06,443 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2031452-4bfb-4b5d-a095-563fd8b11c64/sv-benchmarks/c/weaver/clever.wvr.c [2022-12-13 16:59:06,447 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2031452-4bfb-4b5d-a095-563fd8b11c64/bin/uautomizer-uyxdKDjOR8/data/d051938a4/7796d312f41a4c13ad1dca6ec4287318/FLAG6a1b4e2b4 [2022-12-13 16:59:06,864 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2031452-4bfb-4b5d-a095-563fd8b11c64/bin/uautomizer-uyxdKDjOR8/data/d051938a4/7796d312f41a4c13ad1dca6ec4287318 [2022-12-13 16:59:06,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:59:06,868 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:59:06,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:59:06,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:59:06,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:59:06,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:59:06" (1/1) ... [2022-12-13 16:59:06,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58d2068a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:59:06, skipping insertion in model container [2022-12-13 16:59:06,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:59:06" (1/1) ... [2022-12-13 16:59:06,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:59:06,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:59:07,004 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_a2031452-4bfb-4b5d-a095-563fd8b11c64/sv-benchmarks/c/weaver/clever.wvr.c[2133,2146] [2022-12-13 16:59:07,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:59:07,012 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:59:07,028 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_a2031452-4bfb-4b5d-a095-563fd8b11c64/sv-benchmarks/c/weaver/clever.wvr.c[2133,2146] [2022-12-13 16:59:07,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:59:07,039 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:59:07,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:59:07 WrapperNode [2022-12-13 16:59:07,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:59:07,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:59:07,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:59:07,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:59:07,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:59:07" (1/1) ... [2022-12-13 16:59:07,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:59:07" (1/1) ... [2022-12-13 16:59:07,065 INFO L138 Inliner]: procedures = 19, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 148 [2022-12-13 16:59:07,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:59:07,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:59:07,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:59:07,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:59:07,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:59:07" (1/1) ... [2022-12-13 16:59:07,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:59:07" (1/1) ... [2022-12-13 16:59:07,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:59:07" (1/1) ... [2022-12-13 16:59:07,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:59:07" (1/1) ... [2022-12-13 16:59:07,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:59:07" (1/1) ... [2022-12-13 16:59:07,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:59:07" (1/1) ... [2022-12-13 16:59:07,083 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:59:07" (1/1) ... [2022-12-13 16:59:07,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:59:07" (1/1) ... [2022-12-13 16:59:07,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:59:07,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:59:07,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:59:07,087 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:59:07,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:59:07" (1/1) ... [2022-12-13 16:59:07,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:59:07,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2031452-4bfb-4b5d-a095-563fd8b11c64/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:59:07,110 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2031452-4bfb-4b5d-a095-563fd8b11c64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:59:07,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2031452-4bfb-4b5d-a095-563fd8b11c64/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:59:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:59:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 16:59:07,139 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 16:59:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 16:59:07,139 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 16:59:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 16:59:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 16:59:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 16:59:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:59:07,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:59:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 16:59:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 16:59:07,141 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 16:59:07,220 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:59:07,221 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:59:07,468 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:59:07,478 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:59:07,478 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-13 16:59:07,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:59:07 BoogieIcfgContainer [2022-12-13 16:59:07,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:59:07,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:59:07,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:59:07,487 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:59:07,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:59:06" (1/3) ... [2022-12-13 16:59:07,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5987e06f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:59:07, skipping insertion in model container [2022-12-13 16:59:07,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:59:07" (2/3) ... [2022-12-13 16:59:07,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5987e06f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:59:07, skipping insertion in model container [2022-12-13 16:59:07,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:59:07" (3/3) ... [2022-12-13 16:59:07,489 INFO L112 eAbstractionObserver]: Analyzing ICFG clever.wvr.c [2022-12-13 16:59:07,498 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 16:59:07,506 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:59:07,506 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2022-12-13 16:59:07,506 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 16:59:07,585 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 16:59:07,619 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 273 places, 278 transitions, 572 flow [2022-12-13 16:59:07,716 INFO L130 PetriNetUnfolder]: 12/276 cut-off events. [2022-12-13 16:59:07,716 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 16:59:07,721 INFO L83 FinitePrefix]: Finished finitePrefix Result has 285 conditions, 276 events. 12/276 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 438 event pairs, 0 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 200. Up to 2 conditions per place. [2022-12-13 16:59:07,721 INFO L82 GeneralOperation]: Start removeDead. Operand has 273 places, 278 transitions, 572 flow [2022-12-13 16:59:07,728 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 254 places, 258 transitions, 528 flow [2022-12-13 16:59:07,731 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 16:59:07,741 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 254 places, 258 transitions, 528 flow [2022-12-13 16:59:07,744 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 254 places, 258 transitions, 528 flow [2022-12-13 16:59:07,744 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 254 places, 258 transitions, 528 flow [2022-12-13 16:59:07,773 INFO L130 PetriNetUnfolder]: 11/258 cut-off events. [2022-12-13 16:59:07,773 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 16:59:07,774 INFO L83 FinitePrefix]: Finished finitePrefix Result has 267 conditions, 258 events. 11/258 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 435 event pairs, 0 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 200. Up to 2 conditions per place. [2022-12-13 16:59:07,777 INFO L119 LiptonReduction]: Number of co-enabled transitions 7006 [2022-12-13 16:59:12,982 INFO L134 LiptonReduction]: Checked pairs total: 13526 [2022-12-13 16:59:12,982 INFO L136 LiptonReduction]: Total number of compositions: 333 [2022-12-13 16:59:12,993 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:59:12,997 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;@15a2b3c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:59:12,998 INFO L358 AbstractCegarLoop]: Starting to check reachability of 57 error locations. [2022-12-13 16:59:12,999 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 16:59:12,999 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 16:59:12,999 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 16:59:12,999 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 16:59:13,000 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2022-12-13 16:59:13,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:59:13,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1035, now seen corresponding path program 1 times [2022-12-13 16:59:13,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:59:13,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38090935] [2022-12-13 16:59:13,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:59:13,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:59:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:13,082 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 16:59:13,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:59:13,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38090935] [2022-12-13 16:59:13,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38090935] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:59:13,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:59:13,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 16:59:13,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322778564] [2022-12-13 16:59:13,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:59:13,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 16:59:13,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:59:13,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 16:59:13,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 16:59:13,108 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 611 [2022-12-13 16:59:13,110 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 60 transitions, 132 flow. Second operand has 2 states, 2 states have (on average 267.5) internal successors, (535), 2 states have internal predecessors, (535), 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 16:59:13,110 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 16:59:13,110 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 611 [2022-12-13 16:59:13,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 16:59:13,167 INFO L130 PetriNetUnfolder]: 103/215 cut-off events. [2022-12-13 16:59:13,167 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-12-13 16:59:13,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 411 conditions, 215 events. 103/215 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 839 event pairs, 69 based on Foata normal form. 15/194 useless extension candidates. Maximal degree in co-relation 362. Up to 174 conditions per place. [2022-12-13 16:59:13,169 INFO L137 encePairwiseOnDemand]: 576/611 looper letters, 18 selfloop transitions, 0 changer transitions 1/25 dead transitions. [2022-12-13 16:59:13,169 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 25 transitions, 100 flow [2022-12-13 16:59:13,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 16:59:13,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 16:59:13,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 588 transitions. [2022-12-13 16:59:13,180 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.48117839607201307 [2022-12-13 16:59:13,181 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 588 transitions. [2022-12-13 16:59:13,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 588 transitions. [2022-12-13 16:59:13,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:59:13,184 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 588 transitions. [2022-12-13 16:59:13,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 294.0) internal successors, (588), 2 states have internal predecessors, (588), 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 16:59:13,197 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 611.0) internal successors, (1833), 3 states have internal predecessors, (1833), 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 16:59:13,199 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 611.0) internal successors, (1833), 3 states have internal predecessors, (1833), 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 16:59:13,200 INFO L175 Difference]: Start difference. First operand has 61 places, 60 transitions, 132 flow. Second operand 2 states and 588 transitions. [2022-12-13 16:59:13,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 25 transitions, 100 flow [2022-12-13 16:59:13,204 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 25 transitions, 92 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 16:59:13,205 INFO L231 Difference]: Finished difference. Result has 26 places, 24 transitions, 51 flow [2022-12-13 16:59:13,207 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=611, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=51, PETRI_PLACES=26, PETRI_TRANSITIONS=24} [2022-12-13 16:59:13,210 INFO L288 CegarLoopForPetriNet]: 61 programPoint places, -35 predicate places. [2022-12-13 16:59:13,210 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 24 transitions, 51 flow [2022-12-13 16:59:13,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 267.5) internal successors, (535), 2 states have internal predecessors, (535), 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 16:59:13,211 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 16:59:13,211 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 16:59:13,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 16:59:13,212 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2022-12-13 16:59:13,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:59:13,212 INFO L85 PathProgramCache]: Analyzing trace with hash 32424502, now seen corresponding path program 1 times [2022-12-13 16:59:13,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:59:13,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378576566] [2022-12-13 16:59:13,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:59:13,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:59:13,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:13,277 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 16:59:13,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:59:13,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378576566] [2022-12-13 16:59:13,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378576566] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:59:13,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:59:13,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:59:13,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244184456] [2022-12-13 16:59:13,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:59:13,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:59:13,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:59:13,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:59:13,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:59:13,292 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 260 out of 611 [2022-12-13 16:59:13,293 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 24 transitions, 51 flow. Second operand has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 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 16:59:13,294 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 16:59:13,294 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 260 of 611 [2022-12-13 16:59:13,294 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 16:59:13,334 INFO L130 PetriNetUnfolder]: 108/215 cut-off events. [2022-12-13 16:59:13,334 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 16:59:13,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 407 conditions, 215 events. 108/215 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 817 event pairs, 30 based on Foata normal form. 0/179 useless extension candidates. Maximal degree in co-relation 404. Up to 176 conditions per place. [2022-12-13 16:59:13,335 INFO L137 encePairwiseOnDemand]: 607/611 looper letters, 21 selfloop transitions, 2 changer transitions 0/27 dead transitions. [2022-12-13 16:59:13,335 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 27 transitions, 104 flow [2022-12-13 16:59:13,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:59:13,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 16:59:13,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 805 transitions. [2022-12-13 16:59:13,339 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4391707583196945 [2022-12-13 16:59:13,339 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 805 transitions. [2022-12-13 16:59:13,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 805 transitions. [2022-12-13 16:59:13,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:59:13,339 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 805 transitions. [2022-12-13 16:59:13,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 268.3333333333333) internal successors, (805), 3 states have internal predecessors, (805), 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 16:59:13,343 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 611.0) internal successors, (2444), 4 states have internal predecessors, (2444), 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 16:59:13,344 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 611.0) internal successors, (2444), 4 states have internal predecessors, (2444), 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 16:59:13,344 INFO L175 Difference]: Start difference. First operand has 26 places, 24 transitions, 51 flow. Second operand 3 states and 805 transitions. [2022-12-13 16:59:13,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 27 transitions, 104 flow [2022-12-13 16:59:13,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 27 transitions, 104 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 16:59:13,345 INFO L231 Difference]: Finished difference. Result has 26 places, 24 transitions, 61 flow [2022-12-13 16:59:13,345 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=611, PETRI_DIFFERENCE_MINUEND_FLOW=47, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=61, PETRI_PLACES=26, PETRI_TRANSITIONS=24} [2022-12-13 16:59:13,345 INFO L288 CegarLoopForPetriNet]: 61 programPoint places, -35 predicate places. [2022-12-13 16:59:13,346 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 24 transitions, 61 flow [2022-12-13 16:59:13,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 3 states have internal predecessors, (784), 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 16:59:13,346 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 16:59:13,346 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 16:59:13,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 16:59:13,347 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2022-12-13 16:59:13,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:59:13,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1095539051, now seen corresponding path program 1 times [2022-12-13 16:59:13,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:59:13,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636907754] [2022-12-13 16:59:13,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:59:13,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:59:13,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:13,390 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 16:59:13,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:59:13,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636907754] [2022-12-13 16:59:13,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636907754] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:59:13,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:59:13,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:59:13,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074501047] [2022-12-13 16:59:13,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:59:13,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:59:13,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:59:13,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:59:13,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:59:13,405 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 611 [2022-12-13 16:59:13,407 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 24 transitions, 61 flow. Second operand has 3 states, 3 states have (on average 259.0) internal successors, (777), 3 states have internal predecessors, (777), 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 16:59:13,407 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 16:59:13,407 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 611 [2022-12-13 16:59:13,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 16:59:13,448 INFO L130 PetriNetUnfolder]: 130/223 cut-off events. [2022-12-13 16:59:13,448 INFO L131 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2022-12-13 16:59:13,449 INFO L83 FinitePrefix]: Finished finitePrefix Result has 490 conditions, 223 events. 130/223 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 691 event pairs, 81 based on Foata normal form. 0/185 useless extension candidates. Maximal degree in co-relation 486. Up to 217 conditions per place. [2022-12-13 16:59:13,450 INFO L137 encePairwiseOnDemand]: 608/611 looper letters, 17 selfloop transitions, 1 changer transitions 3/22 dead transitions. [2022-12-13 16:59:13,450 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 22 transitions, 99 flow [2022-12-13 16:59:13,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:59:13,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 16:59:13,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 792 transitions. [2022-12-13 16:59:13,454 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4320785597381342 [2022-12-13 16:59:13,454 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 792 transitions. [2022-12-13 16:59:13,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 792 transitions. [2022-12-13 16:59:13,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:59:13,455 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 792 transitions. [2022-12-13 16:59:13,456 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 264.0) internal successors, (792), 3 states have internal predecessors, (792), 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 16:59:13,458 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 611.0) internal successors, (2444), 4 states have internal predecessors, (2444), 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 16:59:13,459 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 611.0) internal successors, (2444), 4 states have internal predecessors, (2444), 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 16:59:13,460 INFO L175 Difference]: Start difference. First operand has 26 places, 24 transitions, 61 flow. Second operand 3 states and 792 transitions. [2022-12-13 16:59:13,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 22 transitions, 99 flow [2022-12-13 16:59:13,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 22 transitions, 99 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 16:59:13,460 INFO L231 Difference]: Finished difference. Result has 26 places, 19 transitions, 52 flow [2022-12-13 16:59:13,460 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=611, PETRI_DIFFERENCE_MINUEND_FLOW=57, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=52, PETRI_PLACES=26, PETRI_TRANSITIONS=19} [2022-12-13 16:59:13,461 INFO L288 CegarLoopForPetriNet]: 61 programPoint places, -35 predicate places. [2022-12-13 16:59:13,461 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 19 transitions, 52 flow [2022-12-13 16:59:13,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.0) internal successors, (777), 3 states have internal predecessors, (777), 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 16:59:13,462 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 16:59:13,462 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:59:13,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 16:59:13,462 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 53 more)] === [2022-12-13 16:59:13,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:59:13,463 INFO L85 PathProgramCache]: Analyzing trace with hash -398020776, now seen corresponding path program 1 times [2022-12-13 16:59:13,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:59:13,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988077430] [2022-12-13 16:59:13,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:59:13,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:59:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:59:13,509 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 16:59:13,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:59:13,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988077430] [2022-12-13 16:59:13,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988077430] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:59:13,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:59:13,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:59:13,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643306314] [2022-12-13 16:59:13,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:59:13,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:59:13,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:59:13,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:59:13,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:59:13,533 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 611 [2022-12-13 16:59:13,534 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 19 transitions, 52 flow. Second operand has 3 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 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 16:59:13,534 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 16:59:13,534 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 611 [2022-12-13 16:59:13,534 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 16:59:13,571 INFO L130 PetriNetUnfolder]: 98/171 cut-off events. [2022-12-13 16:59:13,571 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-12-13 16:59:13,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 387 conditions, 171 events. 98/171 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 484 event pairs, 46 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 382. Up to 137 conditions per place. [2022-12-13 16:59:13,572 INFO L137 encePairwiseOnDemand]: 607/611 looper letters, 0 selfloop transitions, 0 changer transitions 26/26 dead transitions. [2022-12-13 16:59:13,572 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 26 transitions, 121 flow [2022-12-13 16:59:13,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:59:13,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 16:59:13,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 765 transitions. [2022-12-13 16:59:13,575 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.41734860883797054 [2022-12-13 16:59:13,575 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 765 transitions. [2022-12-13 16:59:13,575 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 765 transitions. [2022-12-13 16:59:13,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:59:13,576 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 765 transitions. [2022-12-13 16:59:13,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 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 16:59:13,581 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 611.0) internal successors, (2444), 4 states have internal predecessors, (2444), 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 16:59:13,582 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 611.0) internal successors, (2444), 4 states have internal predecessors, (2444), 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 16:59:13,583 INFO L175 Difference]: Start difference. First operand has 26 places, 19 transitions, 52 flow. Second operand 3 states and 765 transitions. [2022-12-13 16:59:13,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 26 transitions, 121 flow [2022-12-13 16:59:13,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 26 transitions, 120 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 16:59:13,583 INFO L231 Difference]: Finished difference. Result has 23 places, 0 transitions, 0 flow [2022-12-13 16:59:13,584 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=611, PETRI_DIFFERENCE_MINUEND_FLOW=49, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=23, PETRI_TRANSITIONS=0} [2022-12-13 16:59:13,584 INFO L288 CegarLoopForPetriNet]: 61 programPoint places, -38 predicate places. [2022-12-13 16:59:13,584 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 0 transitions, 0 flow [2022-12-13 16:59:13,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 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 16:59:13,587 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (56 of 57 remaining) [2022-12-13 16:59:13,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (55 of 57 remaining) [2022-12-13 16:59:13,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (54 of 57 remaining) [2022-12-13 16:59:13,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (53 of 57 remaining) [2022-12-13 16:59:13,588 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (52 of 57 remaining) [2022-12-13 16:59:13,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (51 of 57 remaining) [2022-12-13 16:59:13,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (50 of 57 remaining) [2022-12-13 16:59:13,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (49 of 57 remaining) [2022-12-13 16:59:13,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (48 of 57 remaining) [2022-12-13 16:59:13,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (47 of 57 remaining) [2022-12-13 16:59:13,589 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (46 of 57 remaining) [2022-12-13 16:59:13,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (45 of 57 remaining) [2022-12-13 16:59:13,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (44 of 57 remaining) [2022-12-13 16:59:13,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (43 of 57 remaining) [2022-12-13 16:59:13,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (42 of 57 remaining) [2022-12-13 16:59:13,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (41 of 57 remaining) [2022-12-13 16:59:13,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (40 of 57 remaining) [2022-12-13 16:59:13,590 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (39 of 57 remaining) [2022-12-13 16:59:13,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (38 of 57 remaining) [2022-12-13 16:59:13,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (37 of 57 remaining) [2022-12-13 16:59:13,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (36 of 57 remaining) [2022-12-13 16:59:13,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (35 of 57 remaining) [2022-12-13 16:59:13,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (34 of 57 remaining) [2022-12-13 16:59:13,591 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (33 of 57 remaining) [2022-12-13 16:59:13,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (32 of 57 remaining) [2022-12-13 16:59:13,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (31 of 57 remaining) [2022-12-13 16:59:13,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (30 of 57 remaining) [2022-12-13 16:59:13,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (29 of 57 remaining) [2022-12-13 16:59:13,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (28 of 57 remaining) [2022-12-13 16:59:13,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (27 of 57 remaining) [2022-12-13 16:59:13,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (26 of 57 remaining) [2022-12-13 16:59:13,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (25 of 57 remaining) [2022-12-13 16:59:13,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (24 of 57 remaining) [2022-12-13 16:59:13,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (23 of 57 remaining) [2022-12-13 16:59:13,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (22 of 57 remaining) [2022-12-13 16:59:13,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (21 of 57 remaining) [2022-12-13 16:59:13,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (20 of 57 remaining) [2022-12-13 16:59:13,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 57 remaining) [2022-12-13 16:59:13,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 57 remaining) [2022-12-13 16:59:13,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 57 remaining) [2022-12-13 16:59:13,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 57 remaining) [2022-12-13 16:59:13,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (15 of 57 remaining) [2022-12-13 16:59:13,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (14 of 57 remaining) [2022-12-13 16:59:13,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (13 of 57 remaining) [2022-12-13 16:59:13,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (12 of 57 remaining) [2022-12-13 16:59:13,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (11 of 57 remaining) [2022-12-13 16:59:13,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (10 of 57 remaining) [2022-12-13 16:59:13,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (9 of 57 remaining) [2022-12-13 16:59:13,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (8 of 57 remaining) [2022-12-13 16:59:13,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (7 of 57 remaining) [2022-12-13 16:59:13,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (6 of 57 remaining) [2022-12-13 16:59:13,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (5 of 57 remaining) [2022-12-13 16:59:13,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (4 of 57 remaining) [2022-12-13 16:59:13,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 57 remaining) [2022-12-13 16:59:13,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (2 of 57 remaining) [2022-12-13 16:59:13,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (1 of 57 remaining) [2022-12-13 16:59:13,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (0 of 57 remaining) [2022-12-13 16:59:13,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 16:59:13,597 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-13 16:59:13,602 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 16:59:13,602 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 16:59:13,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 04:59:13 BasicIcfg [2022-12-13 16:59:13,605 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 16:59:13,605 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:59:13,605 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:59:13,605 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:59:13,606 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:59:07" (3/4) ... [2022-12-13 16:59:13,607 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 16:59:13,611 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 16:59:13,611 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 16:59:13,615 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-12-13 16:59:13,615 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 16:59:13,615 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 16:59:13,615 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 16:59:13,658 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2031452-4bfb-4b5d-a095-563fd8b11c64/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 16:59:13,658 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:59:13,659 INFO L158 Benchmark]: Toolchain (without parser) took 6791.03ms. Allocated memory was 132.1MB in the beginning and 172.0MB in the end (delta: 39.8MB). Free memory was 96.2MB in the beginning and 51.2MB in the end (delta: 45.0MB). Peak memory consumption was 86.5MB. Max. memory is 16.1GB. [2022-12-13 16:59:13,659 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 132.1MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:59:13,659 INFO L158 Benchmark]: CACSL2BoogieTranslator took 170.79ms. Allocated memory is still 132.1MB. Free memory was 95.7MB in the beginning and 84.2MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 16:59:13,659 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.84ms. Allocated memory is still 132.1MB. Free memory was 84.2MB in the beginning and 82.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:59:13,660 INFO L158 Benchmark]: Boogie Preprocessor took 20.07ms. Allocated memory is still 132.1MB. Free memory was 82.5MB in the beginning and 80.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:59:13,660 INFO L158 Benchmark]: RCFGBuilder took 394.43ms. Allocated memory is still 132.1MB. Free memory was 80.8MB in the beginning and 59.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-13 16:59:13,660 INFO L158 Benchmark]: TraceAbstraction took 6121.40ms. Allocated memory was 132.1MB in the beginning and 172.0MB in the end (delta: 39.8MB). Free memory was 59.4MB in the beginning and 55.4MB in the end (delta: 4.0MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2022-12-13 16:59:13,661 INFO L158 Benchmark]: Witness Printer took 53.03ms. Allocated memory is still 172.0MB. Free memory was 55.4MB in the beginning and 51.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 16:59:13,662 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 132.1MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 170.79ms. Allocated memory is still 132.1MB. Free memory was 95.7MB in the beginning and 84.2MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.84ms. Allocated memory is still 132.1MB. Free memory was 84.2MB in the beginning and 82.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.07ms. Allocated memory is still 132.1MB. Free memory was 82.5MB in the beginning and 80.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 394.43ms. Allocated memory is still 132.1MB. Free memory was 80.8MB in the beginning and 59.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 6121.40ms. Allocated memory was 132.1MB in the beginning and 172.0MB in the end (delta: 39.8MB). Free memory was 59.4MB in the beginning and 55.4MB in the end (delta: 4.0MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. * Witness Printer took 53.03ms. Allocated memory is still 172.0MB. Free memory was 55.4MB in the beginning and 51.2MB 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: 5.2s, 254 PlacesBefore, 61 PlacesAfterwards, 258 TransitionsBefore, 60 TransitionsAfterwards, 7006 CoEnabledTransitionPairs, 9 FixpointIterations, 187 TrivialSequentialCompositions, 119 ConcurrentSequentialCompositions, 14 TrivialYvCompositions, 8 ConcurrentYvCompositions, 5 ChoiceCompositions, 333 TotalNumberOfCompositions, 13526 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8711, independent: 8448, independent conditional: 0, independent unconditional: 8448, dependent: 263, dependent conditional: 0, dependent unconditional: 263, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4293, independent: 4253, independent conditional: 0, independent unconditional: 4253, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8711, independent: 4195, independent conditional: 0, independent unconditional: 4195, dependent: 223, dependent conditional: 0, dependent unconditional: 223, unknown: 4293, unknown conditional: 0, unknown unconditional: 4293] , Statistics on independence cache: Total cache size (in pairs): 209, Positive cache size: 191, Positive conditional cache size: 0, Positive unconditional cache size: 191, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: 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: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 358 locations, 57 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: 6.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 135 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 121 IncrementalHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 29 mSDtfsCounter, 121 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 37 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 16:59:13,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2031452-4bfb-4b5d-a095-563fd8b11c64/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