./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59693fa4-aff3-4c19-bdb0-11c229b2d197/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59693fa4-aff3-4c19-bdb0-11c229b2d197/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_59693fa4-aff3-4c19-bdb0-11c229b2d197/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59693fa4-aff3-4c19-bdb0-11c229b2d197/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59693fa4-aff3-4c19-bdb0-11c229b2d197/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_59693fa4-aff3-4c19-bdb0-11c229b2d197/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 c245694d80bb36f575f27eb50fa261b26ec38a4ced597397981ad6c6c7486707 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 20:26:03,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:26:03,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:26:03,739 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:26:03,740 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:26:03,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:26:03,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:26:03,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:26:03,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:26:03,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:26:03,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:26:03,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:26:03,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:26:03,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:26:03,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:26:03,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:26:03,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:26:03,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:26:03,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:26:03,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:26:03,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:26:03,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:26:03,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:26:03,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:26:03,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:26:03,758 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:26:03,758 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:26:03,759 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:26:03,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:26:03,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:26:03,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:26:03,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:26:03,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:26:03,762 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:26:03,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:26:03,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:26:03,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:26:03,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:26:03,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:26:03,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:26:03,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:26:03,766 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59693fa4-aff3-4c19-bdb0-11c229b2d197/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 20:26:03,782 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:26:03,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:26:03,782 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:26:03,782 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:26:03,783 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:26:03,783 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:26:03,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:26:03,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:26:03,784 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:26:03,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:26:03,784 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 20:26:03,784 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:26:03,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:26:03,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 20:26:03,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:26:03,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:26:03,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:26:03,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:26:03,785 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 20:26:03,786 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 20:26:03,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:26:03,786 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:26:03,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:26:03,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:26:03,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:26:03,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:26:03,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:26:03,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:26:03,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:26:03,787 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:26:03,788 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:26:03,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:26:03,788 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:26:03,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:26:03,788 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:26:03,788 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:26:03,789 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:26:03,789 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_59693fa4-aff3-4c19-bdb0-11c229b2d197/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59693fa4-aff3-4c19-bdb0-11c229b2d197/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c245694d80bb36f575f27eb50fa261b26ec38a4ced597397981ad6c6c7486707 [2022-12-13 20:26:03,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:26:03,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:26:03,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:26:03,978 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:26:03,978 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:26:03,979 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59693fa4-aff3-4c19-bdb0-11c229b2d197/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/parallel-misc-2.wvr.c [2022-12-13 20:26:06,492 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:26:06,647 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:26:06,648 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59693fa4-aff3-4c19-bdb0-11c229b2d197/sv-benchmarks/c/weaver/parallel-misc-2.wvr.c [2022-12-13 20:26:06,652 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59693fa4-aff3-4c19-bdb0-11c229b2d197/bin/uautomizer-uyxdKDjOR8/data/307faa237/bf00b6af5f034f408cb74cc15466418e/FLAGfcfa5d9f1 [2022-12-13 20:26:07,063 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59693fa4-aff3-4c19-bdb0-11c229b2d197/bin/uautomizer-uyxdKDjOR8/data/307faa237/bf00b6af5f034f408cb74cc15466418e [2022-12-13 20:26:07,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:26:07,067 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:26:07,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:26:07,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:26:07,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:26:07,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:26:07" (1/1) ... [2022-12-13 20:26:07,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@380ac1c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:26:07, skipping insertion in model container [2022-12-13 20:26:07,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:26:07" (1/1) ... [2022-12-13 20:26:07,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:26:07,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:26:07,213 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:26:07,215 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:26:07,215 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:26:07,216 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:26:07,221 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:26:07,222 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:26:07,222 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:26:07,223 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:26:07,231 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_59693fa4-aff3-4c19-bdb0-11c229b2d197/sv-benchmarks/c/weaver/parallel-misc-2.wvr.c[2554,2567] [2022-12-13 20:26:07,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:26:07,241 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:26:07,254 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:26:07,254 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:26:07,255 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:26:07,255 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:26:07,257 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:26:07,257 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:26:07,257 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 20:26:07,258 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 20:26:07,264 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_59693fa4-aff3-4c19-bdb0-11c229b2d197/sv-benchmarks/c/weaver/parallel-misc-2.wvr.c[2554,2567] [2022-12-13 20:26:07,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:26:07,274 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:26:07,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:26:07 WrapperNode [2022-12-13 20:26:07,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:26:07,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:26:07,275 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:26:07,275 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:26:07,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:26:07" (1/1) ... [2022-12-13 20:26:07,286 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:26:07" (1/1) ... [2022-12-13 20:26:07,301 INFO L138 Inliner]: procedures = 21, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 120 [2022-12-13 20:26:07,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:26:07,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:26:07,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:26:07,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:26:07,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:26:07" (1/1) ... [2022-12-13 20:26:07,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:26:07" (1/1) ... [2022-12-13 20:26:07,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:26:07" (1/1) ... [2022-12-13 20:26:07,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:26:07" (1/1) ... [2022-12-13 20:26:07,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:26:07" (1/1) ... [2022-12-13 20:26:07,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:26:07" (1/1) ... [2022-12-13 20:26:07,320 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:26:07" (1/1) ... [2022-12-13 20:26:07,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:26:07" (1/1) ... [2022-12-13 20:26:07,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:26:07,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:26:07,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:26:07,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:26:07,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:26:07" (1/1) ... [2022-12-13 20:26:07,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:26:07,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59693fa4-aff3-4c19-bdb0-11c229b2d197/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:26:07,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59693fa4-aff3-4c19-bdb0-11c229b2d197/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:26:07,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59693fa4-aff3-4c19-bdb0-11c229b2d197/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:26:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:26:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 20:26:07,383 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 20:26:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 20:26:07,383 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 20:26:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:26:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 20:26:07,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 20:26:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 20:26:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 20:26:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:26:07,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:26:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 20:26:07,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 20:26:07,385 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 20:26:07,455 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:26:07,456 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:26:07,723 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:26:07,769 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:26:07,770 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 20:26:07,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:26:07 BoogieIcfgContainer [2022-12-13 20:26:07,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:26:07,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:26:07,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:26:07,779 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:26:07,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:26:07" (1/3) ... [2022-12-13 20:26:07,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@671ada4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:26:07, skipping insertion in model container [2022-12-13 20:26:07,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:26:07" (2/3) ... [2022-12-13 20:26:07,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@671ada4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:26:07, skipping insertion in model container [2022-12-13 20:26:07,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:26:07" (3/3) ... [2022-12-13 20:26:07,782 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2.wvr.c [2022-12-13 20:26:07,795 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 20:26:07,805 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:26:07,805 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2022-12-13 20:26:07,805 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 20:26:07,866 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 20:26:07,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 228 places, 231 transitions, 478 flow [2022-12-13 20:26:07,952 INFO L130 PetriNetUnfolder]: 10/229 cut-off events. [2022-12-13 20:26:07,952 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 20:26:07,957 INFO L83 FinitePrefix]: Finished finitePrefix Result has 238 conditions, 229 events. 10/229 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 355 event pairs, 0 based on Foata normal form. 0/183 useless extension candidates. Maximal degree in co-relation 148. Up to 2 conditions per place. [2022-12-13 20:26:07,957 INFO L82 GeneralOperation]: Start removeDead. Operand has 228 places, 231 transitions, 478 flow [2022-12-13 20:26:07,961 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 209 places, 211 transitions, 434 flow [2022-12-13 20:26:07,964 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 20:26:07,972 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 209 places, 211 transitions, 434 flow [2022-12-13 20:26:07,975 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 209 places, 211 transitions, 434 flow [2022-12-13 20:26:07,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 209 places, 211 transitions, 434 flow [2022-12-13 20:26:08,006 INFO L130 PetriNetUnfolder]: 9/211 cut-off events. [2022-12-13 20:26:08,006 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 20:26:08,007 INFO L83 FinitePrefix]: Finished finitePrefix Result has 220 conditions, 211 events. 9/211 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 352 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 148. Up to 2 conditions per place. [2022-12-13 20:26:08,009 INFO L119 LiptonReduction]: Number of co-enabled transitions 6300 [2022-12-13 20:26:11,905 INFO L134 LiptonReduction]: Checked pairs total: 13276 [2022-12-13 20:26:11,905 INFO L136 LiptonReduction]: Total number of compositions: 263 [2022-12-13 20:26:11,915 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:26:11,920 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;@1e869a56, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:26:11,920 INFO L358 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2022-12-13 20:26:11,921 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 20:26:11,921 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 20:26:11,921 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 20:26:11,921 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 20:26:11,922 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-12-13 20:26:11,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:26:11,925 INFO L85 PathProgramCache]: Analyzing trace with hash 930, now seen corresponding path program 1 times [2022-12-13 20:26:11,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:26:11,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162772967] [2022-12-13 20:26:11,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:26:11,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:26:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:26:11,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:26:11,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:26:11,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162772967] [2022-12-13 20:26:11,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162772967] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:26:11,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:26:11,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 20:26:11,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132448197] [2022-12-13 20:26:12,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:26:12,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 20:26:12,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:26:12,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 20:26:12,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 20:26:12,022 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 494 [2022-12-13 20:26:12,024 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 57 transitions, 126 flow. Second operand has 2 states, 2 states have (on average 210.5) internal successors, (421), 2 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:26:12,024 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 20:26:12,024 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 494 [2022-12-13 20:26:12,024 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 20:26:12,078 INFO L130 PetriNetUnfolder]: 103/186 cut-off events. [2022-12-13 20:26:12,078 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-12-13 20:26:12,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 382 conditions, 186 events. 103/186 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 596 event pairs, 69 based on Foata normal form. 1/153 useless extension candidates. Maximal degree in co-relation 333. Up to 174 conditions per place. [2022-12-13 20:26:12,081 INFO L137 encePairwiseOnDemand]: 459/494 looper letters, 18 selfloop transitions, 0 changer transitions 1/22 dead transitions. [2022-12-13 20:26:12,081 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 22 transitions, 94 flow [2022-12-13 20:26:12,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 20:26:12,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 20:26:12,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 474 transitions. [2022-12-13 20:26:12,096 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4797570850202429 [2022-12-13 20:26:12,096 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 474 transitions. [2022-12-13 20:26:12,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 474 transitions. [2022-12-13 20:26:12,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:26:12,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 474 transitions. [2022-12-13 20:26:12,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 237.0) internal successors, (474), 2 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:26:12,110 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 494.0) internal successors, (1482), 3 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:26:12,111 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 494.0) internal successors, (1482), 3 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:26:12,113 INFO L175 Difference]: Start difference. First operand has 59 places, 57 transitions, 126 flow. Second operand 2 states and 474 transitions. [2022-12-13 20:26:12,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 22 transitions, 94 flow [2022-12-13 20:26:12,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 22 transitions, 86 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 20:26:12,117 INFO L231 Difference]: Finished difference. Result has 23 places, 21 transitions, 45 flow [2022-12-13 20:26:12,119 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=45, PETRI_PLACES=23, PETRI_TRANSITIONS=21} [2022-12-13 20:26:12,122 INFO L288 CegarLoopForPetriNet]: 59 programPoint places, -36 predicate places. [2022-12-13 20:26:12,123 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 21 transitions, 45 flow [2022-12-13 20:26:12,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 210.5) internal successors, (421), 2 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:26:12,123 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 20:26:12,123 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 20:26:12,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:26:12,124 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-12-13 20:26:12,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:26:12,124 INFO L85 PathProgramCache]: Analyzing trace with hash 28802766, now seen corresponding path program 1 times [2022-12-13 20:26:12,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:26:12,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022778196] [2022-12-13 20:26:12,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:26:12,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:26:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:26:12,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:26:12,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:26:12,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022778196] [2022-12-13 20:26:12,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022778196] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:26:12,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:26:12,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:26:12,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572390731] [2022-12-13 20:26:12,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:26:12,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:26:12,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:26:12,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:26:12,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:26:12,203 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 494 [2022-12-13 20:26:12,209 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 21 transitions, 45 flow. Second operand has 3 states, 3 states have (on average 204.33333333333334) internal successors, (613), 3 states have internal predecessors, (613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:26:12,209 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 20:26:12,209 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 494 [2022-12-13 20:26:12,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 20:26:12,251 INFO L130 PetriNetUnfolder]: 108/185 cut-off events. [2022-12-13 20:26:12,251 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-13 20:26:12,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 377 conditions, 185 events. 108/185 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 569 event pairs, 30 based on Foata normal form. 0/151 useless extension candidates. Maximal degree in co-relation 374. Up to 176 conditions per place. [2022-12-13 20:26:12,252 INFO L137 encePairwiseOnDemand]: 490/494 looper letters, 18 selfloop transitions, 2 changer transitions 3/24 dead transitions. [2022-12-13 20:26:12,252 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 24 transitions, 98 flow [2022-12-13 20:26:12,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:26:12,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 20:26:12,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 634 transitions. [2022-12-13 20:26:12,254 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.42780026990553305 [2022-12-13 20:26:12,255 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 634 transitions. [2022-12-13 20:26:12,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 634 transitions. [2022-12-13 20:26:12,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:26:12,255 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 634 transitions. [2022-12-13 20:26:12,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:26:12,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:26:12,259 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:26:12,259 INFO L175 Difference]: Start difference. First operand has 23 places, 21 transitions, 45 flow. Second operand 3 states and 634 transitions. [2022-12-13 20:26:12,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 24 transitions, 98 flow [2022-12-13 20:26:12,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 24 transitions, 98 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 20:26:12,260 INFO L231 Difference]: Finished difference. Result has 23 places, 18 transitions, 48 flow [2022-12-13 20:26:12,260 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=41, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=48, PETRI_PLACES=23, PETRI_TRANSITIONS=18} [2022-12-13 20:26:12,260 INFO L288 CegarLoopForPetriNet]: 59 programPoint places, -36 predicate places. [2022-12-13 20:26:12,261 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 18 transitions, 48 flow [2022-12-13 20:26:12,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 204.33333333333334) internal successors, (613), 3 states have internal predecessors, (613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:26:12,261 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 20:26:12,261 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 20:26:12,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 20:26:12,261 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-12-13 20:26:12,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:26:12,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1909910751, now seen corresponding path program 1 times [2022-12-13 20:26:12,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:26:12,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076814254] [2022-12-13 20:26:12,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:26:12,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:26:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:26:12,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:26:12,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:26:12,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076814254] [2022-12-13 20:26:12,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076814254] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:26:12,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:26:12,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:26:12,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470848640] [2022-12-13 20:26:12,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:26:12,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:26:12,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:26:12,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:26:12,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:26:12,314 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 494 [2022-12-13 20:26:12,316 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 18 transitions, 48 flow. Second operand has 3 states, 3 states have (on average 204.0) internal successors, (612), 3 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:26:12,316 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 20:26:12,316 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 494 [2022-12-13 20:26:12,316 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 20:26:12,359 INFO L130 PetriNetUnfolder]: 86/141 cut-off events. [2022-12-13 20:26:12,359 INFO L131 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2022-12-13 20:26:12,359 INFO L83 FinitePrefix]: Finished finitePrefix Result has 325 conditions, 141 events. 86/141 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 413 event pairs, 11 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 321. Up to 82 conditions per place. [2022-12-13 20:26:12,360 INFO L137 encePairwiseOnDemand]: 490/494 looper letters, 0 selfloop transitions, 0 changer transitions 24/24 dead transitions. [2022-12-13 20:26:12,360 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 24 transitions, 111 flow [2022-12-13 20:26:12,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:26:12,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 20:26:12,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 629 transitions. [2022-12-13 20:26:12,361 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4244264507422402 [2022-12-13 20:26:12,361 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 629 transitions. [2022-12-13 20:26:12,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 629 transitions. [2022-12-13 20:26:12,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:26:12,362 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 629 transitions. [2022-12-13 20:26:12,363 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:26:12,365 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:26:12,365 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 494.0) internal successors, (1976), 4 states have internal predecessors, (1976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:26:12,366 INFO L175 Difference]: Start difference. First operand has 23 places, 18 transitions, 48 flow. Second operand 3 states and 629 transitions. [2022-12-13 20:26:12,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 24 transitions, 111 flow [2022-12-13 20:26:12,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 24 transitions, 111 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 20:26:12,366 INFO L231 Difference]: Finished difference. Result has 21 places, 0 transitions, 0 flow [2022-12-13 20:26:12,366 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=21, PETRI_TRANSITIONS=0} [2022-12-13 20:26:12,367 INFO L288 CegarLoopForPetriNet]: 59 programPoint places, -38 predicate places. [2022-12-13 20:26:12,367 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 0 transitions, 0 flow [2022-12-13 20:26:12,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 204.0) internal successors, (612), 3 states have internal predecessors, (612), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 20:26:12,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (59 of 60 remaining) [2022-12-13 20:26:12,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (58 of 60 remaining) [2022-12-13 20:26:12,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (57 of 60 remaining) [2022-12-13 20:26:12,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (56 of 60 remaining) [2022-12-13 20:26:12,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (55 of 60 remaining) [2022-12-13 20:26:12,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (54 of 60 remaining) [2022-12-13 20:26:12,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (53 of 60 remaining) [2022-12-13 20:26:12,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (52 of 60 remaining) [2022-12-13 20:26:12,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (51 of 60 remaining) [2022-12-13 20:26:12,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (50 of 60 remaining) [2022-12-13 20:26:12,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (49 of 60 remaining) [2022-12-13 20:26:12,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (48 of 60 remaining) [2022-12-13 20:26:12,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (47 of 60 remaining) [2022-12-13 20:26:12,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (46 of 60 remaining) [2022-12-13 20:26:12,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (45 of 60 remaining) [2022-12-13 20:26:12,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (44 of 60 remaining) [2022-12-13 20:26:12,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (43 of 60 remaining) [2022-12-13 20:26:12,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (42 of 60 remaining) [2022-12-13 20:26:12,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (41 of 60 remaining) [2022-12-13 20:26:12,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (40 of 60 remaining) [2022-12-13 20:26:12,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (39 of 60 remaining) [2022-12-13 20:26:12,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (38 of 60 remaining) [2022-12-13 20:26:12,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (37 of 60 remaining) [2022-12-13 20:26:12,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (36 of 60 remaining) [2022-12-13 20:26:12,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (35 of 60 remaining) [2022-12-13 20:26:12,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (34 of 60 remaining) [2022-12-13 20:26:12,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (33 of 60 remaining) [2022-12-13 20:26:12,372 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (32 of 60 remaining) [2022-12-13 20:26:12,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (31 of 60 remaining) [2022-12-13 20:26:12,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (30 of 60 remaining) [2022-12-13 20:26:12,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (29 of 60 remaining) [2022-12-13 20:26:12,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (28 of 60 remaining) [2022-12-13 20:26:12,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (27 of 60 remaining) [2022-12-13 20:26:12,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (26 of 60 remaining) [2022-12-13 20:26:12,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (25 of 60 remaining) [2022-12-13 20:26:12,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (24 of 60 remaining) [2022-12-13 20:26:12,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 60 remaining) [2022-12-13 20:26:12,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 60 remaining) [2022-12-13 20:26:12,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 60 remaining) [2022-12-13 20:26:12,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 60 remaining) [2022-12-13 20:26:12,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 60 remaining) [2022-12-13 20:26:12,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 60 remaining) [2022-12-13 20:26:12,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 60 remaining) [2022-12-13 20:26:12,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 60 remaining) [2022-12-13 20:26:12,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 60 remaining) [2022-12-13 20:26:12,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (14 of 60 remaining) [2022-12-13 20:26:12,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (13 of 60 remaining) [2022-12-13 20:26:12,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (12 of 60 remaining) [2022-12-13 20:26:12,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (11 of 60 remaining) [2022-12-13 20:26:12,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 60 remaining) [2022-12-13 20:26:12,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 60 remaining) [2022-12-13 20:26:12,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 60 remaining) [2022-12-13 20:26:12,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 60 remaining) [2022-12-13 20:26:12,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 60 remaining) [2022-12-13 20:26:12,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 60 remaining) [2022-12-13 20:26:12,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (4 of 60 remaining) [2022-12-13 20:26:12,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (3 of 60 remaining) [2022-12-13 20:26:12,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (2 of 60 remaining) [2022-12-13 20:26:12,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (1 of 60 remaining) [2022-12-13 20:26:12,376 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (0 of 60 remaining) [2022-12-13 20:26:12,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 20:26:12,376 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-13 20:26:12,380 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 20:26:12,380 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:26:12,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:26:12 BasicIcfg [2022-12-13 20:26:12,383 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:26:12,384 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:26:12,384 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:26:12,384 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:26:12,384 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:26:07" (3/4) ... [2022-12-13 20:26:12,386 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 20:26:12,390 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 20:26:12,390 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 20:26:12,393 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-12-13 20:26:12,393 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 20:26:12,394 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 20:26:12,394 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 20:26:12,422 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59693fa4-aff3-4c19-bdb0-11c229b2d197/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 20:26:12,423 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:26:12,423 INFO L158 Benchmark]: Toolchain (without parser) took 5356.21ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 88.1MB in the beginning and 81.9MB in the end (delta: 6.2MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2022-12-13 20:26:12,423 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 123.7MB. Free memory was 89.9MB in the beginning and 89.9MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:26:12,424 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.08ms. Allocated memory is still 123.7MB. Free memory was 87.7MB in the beginning and 75.2MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 20:26:12,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.99ms. Allocated memory is still 123.7MB. Free memory was 75.2MB in the beginning and 73.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:26:12,424 INFO L158 Benchmark]: Boogie Preprocessor took 21.09ms. Allocated memory is still 123.7MB. Free memory was 73.5MB in the beginning and 71.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:26:12,424 INFO L158 Benchmark]: RCFGBuilder took 449.43ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 71.4MB in the beginning and 122.0MB in the end (delta: -50.6MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2022-12-13 20:26:12,425 INFO L158 Benchmark]: TraceAbstraction took 4607.89ms. Allocated memory is still 153.1MB. Free memory was 121.3MB in the beginning and 85.1MB in the end (delta: 36.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-12-13 20:26:12,425 INFO L158 Benchmark]: Witness Printer took 38.97ms. Allocated memory is still 153.1MB. Free memory was 85.1MB in the beginning and 81.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 20:26:12,427 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 123.7MB. Free memory was 89.9MB in the beginning and 89.9MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 207.08ms. Allocated memory is still 123.7MB. Free memory was 87.7MB in the beginning and 75.2MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.99ms. Allocated memory is still 123.7MB. Free memory was 75.2MB in the beginning and 73.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.09ms. Allocated memory is still 123.7MB. Free memory was 73.5MB in the beginning and 71.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 449.43ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 71.4MB in the beginning and 122.0MB in the end (delta: -50.6MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4607.89ms. Allocated memory is still 153.1MB. Free memory was 121.3MB in the beginning and 85.1MB in the end (delta: 36.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 38.97ms. Allocated memory is still 153.1MB. Free memory was 85.1MB in the beginning and 81.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.9s, 209 PlacesBefore, 59 PlacesAfterwards, 211 TransitionsBefore, 57 TransitionsAfterwards, 6300 CoEnabledTransitionPairs, 9 FixpointIterations, 134 TrivialSequentialCompositions, 107 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 9 ConcurrentYvCompositions, 4 ChoiceCompositions, 263 TotalNumberOfCompositions, 13276 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7796, independent: 7514, independent conditional: 0, independent unconditional: 7514, dependent: 282, dependent conditional: 0, dependent unconditional: 282, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3788, independent: 3753, independent conditional: 0, independent unconditional: 3753, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7796, independent: 3761, independent conditional: 0, independent unconditional: 3761, dependent: 247, dependent conditional: 0, dependent unconditional: 247, unknown: 3788, unknown conditional: 0, unknown unconditional: 3788] , Statistics on independence cache: Total cache size (in pairs): 230, Positive cache size: 213, Positive conditional cache size: 0, Positive unconditional cache size: 213, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 42]: 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: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: 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: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: 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: 64]: 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: 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: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: 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, 304 locations, 60 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 70 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 99 IncrementalHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 4 mSDtfsCounter, 99 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=126occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 36 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 20:26:12,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59693fa4-aff3-4c19-bdb0-11c229b2d197/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