./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/fibonacci.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a 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_b4fa93bb-d5fa-4f92-9792-a145861537c4/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fa93bb-d5fa-4f92-9792-a145861537c4/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fa93bb-d5fa-4f92-9792-a145861537c4/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fa93bb-d5fa-4f92-9792-a145861537c4/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/fibonacci.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fa93bb-d5fa-4f92-9792-a145861537c4/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fa93bb-d5fa-4f92-9792-a145861537c4/bin/uautomizer-ZsLfNo2U6R --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 7f56768e1b40ef6b1b210f9cfb796e99d1f27ee48ed204adfea165b19bcc995e --- 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-38b53e6 [2022-11-25 16:42:51,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:42:51,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:42:51,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:42:51,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:42:51,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:42:51,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:42:51,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:42:51,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:42:51,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:42:51,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:42:51,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:42:51,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:42:51,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:42:51,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:42:51,721 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:42:51,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:42:51,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:42:51,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:42:51,732 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:42:51,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:42:51,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:42:51,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:42:51,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:42:51,749 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:42:51,749 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:42:51,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:42:51,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:42:51,752 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:42:51,753 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:42:51,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:42:51,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:42:51,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:42:51,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:42:51,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:42:51,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:42:51,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:42:51,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:42:51,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:42:51,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:42:51,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:42:51,766 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fa93bb-d5fa-4f92-9792-a145861537c4/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-25 16:42:51,823 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:42:51,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:42:51,824 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:42:51,824 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:42:51,825 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 16:42:51,826 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 16:42:51,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:42:51,827 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:42:51,827 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:42:51,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:42:51,828 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 16:42:51,829 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 16:42:51,829 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 16:42:51,829 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 16:42:51,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:42:51,830 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 16:42:51,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 16:42:51,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 16:42:51,831 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 16:42:51,831 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 16:42:51,831 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:42:51,831 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:42:51,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 16:42:51,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:42:51,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:42:51,832 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 16:42:51,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:42:51,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:42:51,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 16:42:51,834 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 16:42:51,834 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 16:42:51,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 16:42:51,835 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 16:42:51,835 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 16:42:51,835 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 16:42:51,835 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 16:42:51,836 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_b4fa93bb-d5fa-4f92-9792-a145861537c4/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fa93bb-d5fa-4f92-9792-a145861537c4/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f56768e1b40ef6b1b210f9cfb796e99d1f27ee48ed204adfea165b19bcc995e [2022-11-25 16:42:52,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:42:52,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:42:52,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:42:52,154 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:42:52,155 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:42:52,156 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fa93bb-d5fa-4f92-9792-a145861537c4/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/weaver/fibonacci.wvr.c [2022-11-25 16:42:55,218 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:42:55,463 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:42:55,464 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fa93bb-d5fa-4f92-9792-a145861537c4/sv-benchmarks/c/weaver/fibonacci.wvr.c [2022-11-25 16:42:55,471 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fa93bb-d5fa-4f92-9792-a145861537c4/bin/uautomizer-ZsLfNo2U6R/data/7e8d8cb04/8d1ce3211ccd4a11bb500b77c53caace/FLAGc8db1e616 [2022-11-25 16:42:55,534 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fa93bb-d5fa-4f92-9792-a145861537c4/bin/uautomizer-ZsLfNo2U6R/data/7e8d8cb04/8d1ce3211ccd4a11bb500b77c53caace [2022-11-25 16:42:55,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:42:55,538 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:42:55,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:42:55,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:42:55,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:42:55,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:42:55" (1/1) ... [2022-11-25 16:42:55,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3be1fb33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:55, skipping insertion in model container [2022-11-25 16:42:55,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:42:55" (1/1) ... [2022-11-25 16:42:55,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:42:55,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:42:55,752 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_b4fa93bb-d5fa-4f92-9792-a145861537c4/sv-benchmarks/c/weaver/fibonacci.wvr.c[2330,2343] [2022-11-25 16:42:55,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:42:55,769 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:42:55,799 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_b4fa93bb-d5fa-4f92-9792-a145861537c4/sv-benchmarks/c/weaver/fibonacci.wvr.c[2330,2343] [2022-11-25 16:42:55,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:42:55,819 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:42:55,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:55 WrapperNode [2022-11-25 16:42:55,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:42:55,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:42:55,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:42:55,821 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:42:55,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:55" (1/1) ... [2022-11-25 16:42:55,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:55" (1/1) ... [2022-11-25 16:42:55,869 INFO L138 Inliner]: procedures = 23, calls = 28, calls flagged for inlining = 12, calls inlined = 16, statements flattened = 264 [2022-11-25 16:42:55,870 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:42:55,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:42:55,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:42:55,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:42:55,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:55" (1/1) ... [2022-11-25 16:42:55,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:55" (1/1) ... [2022-11-25 16:42:55,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:55" (1/1) ... [2022-11-25 16:42:55,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:55" (1/1) ... [2022-11-25 16:42:55,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:55" (1/1) ... [2022-11-25 16:42:55,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:55" (1/1) ... [2022-11-25 16:42:55,917 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:55" (1/1) ... [2022-11-25 16:42:55,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:55" (1/1) ... [2022-11-25 16:42:55,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:42:55,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:42:55,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:42:55,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:42:55,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:55" (1/1) ... [2022-11-25 16:42:55,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:42:55,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fa93bb-d5fa-4f92-9792-a145861537c4/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:42:55,978 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fa93bb-d5fa-4f92-9792-a145861537c4/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 16:42:56,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fa93bb-d5fa-4f92-9792-a145861537c4/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 16:42:56,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 16:42:56,028 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-25 16:42:56,028 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-25 16:42:56,028 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-25 16:42:56,028 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-25 16:42:56,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 16:42:56,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 16:42:56,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 16:42:56,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:42:56,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:42:56,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 16:42:56,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 16:42:56,032 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 16:42:56,190 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:42:56,193 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:42:56,823 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:42:56,839 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:42:56,840 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 16:42:56,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:42:56 BoogieIcfgContainer [2022-11-25 16:42:56,843 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:42:56,847 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 16:42:56,847 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 16:42:56,851 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 16:42:56,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:42:55" (1/3) ... [2022-11-25 16:42:56,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@420783c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:42:56, skipping insertion in model container [2022-11-25 16:42:56,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:42:55" (2/3) ... [2022-11-25 16:42:56,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@420783c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:42:56, skipping insertion in model container [2022-11-25 16:42:56,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:42:56" (3/3) ... [2022-11-25 16:42:56,854 INFO L112 eAbstractionObserver]: Analyzing ICFG fibonacci.wvr.c [2022-11-25 16:42:56,870 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 16:42:56,882 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 16:42:56,883 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2022-11-25 16:42:56,883 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 16:42:57,078 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-25 16:42:57,179 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 347 places, 355 transitions, 726 flow [2022-11-25 16:42:57,526 INFO L130 PetriNetUnfolder]: 15/353 cut-off events. [2022-11-25 16:42:57,527 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-25 16:42:57,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 362 conditions, 353 events. 15/353 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 650 event pairs, 0 based on Foata normal form. 0/305 useless extension candidates. Maximal degree in co-relation 217. Up to 2 conditions per place. [2022-11-25 16:42:57,542 INFO L82 GeneralOperation]: Start removeDead. Operand has 347 places, 355 transitions, 726 flow [2022-11-25 16:42:57,562 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 328 places, 335 transitions, 682 flow [2022-11-25 16:42:57,567 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 16:42:57,606 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 328 places, 335 transitions, 682 flow [2022-11-25 16:42:57,612 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 328 places, 335 transitions, 682 flow [2022-11-25 16:42:57,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 328 places, 335 transitions, 682 flow [2022-11-25 16:42:57,742 INFO L130 PetriNetUnfolder]: 14/335 cut-off events. [2022-11-25 16:42:57,743 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-25 16:42:57,749 INFO L83 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 335 events. 14/335 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 570 event pairs, 0 based on Foata normal form. 0/289 useless extension candidates. Maximal degree in co-relation 217. Up to 2 conditions per place. [2022-11-25 16:42:57,764 INFO L119 LiptonReduction]: Number of co-enabled transitions 26136 [2022-11-25 16:43:10,331 INFO L134 LiptonReduction]: Checked pairs total: 27016 [2022-11-25 16:43:10,331 INFO L136 LiptonReduction]: Total number of compositions: 445 [2022-11-25 16:43:10,353 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 16:43:10,361 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;@73bbeb1f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 16:43:10,361 INFO L358 AbstractCegarLoop]: Starting to check reachability of 53 error locations. [2022-11-25 16:43:10,363 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-11-25 16:43:10,364 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 16:43:10,364 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 16:43:10,365 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-11-25 16:43:10,365 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2022-11-25 16:43:10,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:43:10,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1409, now seen corresponding path program 1 times [2022-11-25 16:43:10,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:43:10,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397405035] [2022-11-25 16:43:10,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:43:10,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:43:10,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:43:10,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:43:10,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:43:10,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397405035] [2022-11-25 16:43:10,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397405035] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:43:10,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:43:10,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-25 16:43:10,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330669116] [2022-11-25 16:43:10,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:43:10,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 16:43:10,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:43:10,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 16:43:10,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 16:43:10,561 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 800 [2022-11-25 16:43:10,568 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 55 transitions, 122 flow. Second operand has 2 states, 2 states have (on average 338.5) internal successors, (677), 2 states have internal predecessors, (677), 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) [2022-11-25 16:43:10,568 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:43:10,570 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 800 [2022-11-25 16:43:10,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:43:10,673 INFO L130 PetriNetUnfolder]: 89/168 cut-off events. [2022-11-25 16:43:10,673 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-11-25 16:43:10,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 334 conditions, 168 events. 89/168 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 647 event pairs, 49 based on Foata normal form. 36/156 useless extension candidates. Maximal degree in co-relation 281. Up to 146 conditions per place. [2022-11-25 16:43:10,676 INFO L137 encePairwiseOnDemand]: 766/800 looper letters, 14 selfloop transitions, 0 changer transitions 1/21 dead transitions. [2022-11-25 16:43:10,676 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 21 transitions, 84 flow [2022-11-25 16:43:10,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 16:43:10,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-25 16:43:10,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 725 transitions. [2022-11-25 16:43:10,701 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.453125 [2022-11-25 16:43:10,702 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 725 transitions. [2022-11-25 16:43:10,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 725 transitions. [2022-11-25 16:43:10,710 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:43:10,713 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 725 transitions. [2022-11-25 16:43:10,724 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 362.5) internal successors, (725), 2 states have internal predecessors, (725), 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) [2022-11-25 16:43:10,734 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 800.0) internal successors, (2400), 3 states have internal predecessors, (2400), 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) [2022-11-25 16:43:10,736 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 800.0) internal successors, (2400), 3 states have internal predecessors, (2400), 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) [2022-11-25 16:43:10,739 INFO L175 Difference]: Start difference. First operand has 57 places, 55 transitions, 122 flow. Second operand 2 states and 725 transitions. [2022-11-25 16:43:10,740 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 21 transitions, 84 flow [2022-11-25 16:43:10,744 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 21 transitions, 76 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-25 16:43:10,746 INFO L231 Difference]: Finished difference. Result has 23 places, 20 transitions, 43 flow [2022-11-25 16:43:10,748 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=800, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=43, PETRI_PLACES=23, PETRI_TRANSITIONS=20} [2022-11-25 16:43:10,757 INFO L288 CegarLoopForPetriNet]: 57 programPoint places, -34 predicate places. [2022-11-25 16:43:10,757 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 20 transitions, 43 flow [2022-11-25 16:43:10,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 338.5) internal successors, (677), 2 states have internal predecessors, (677), 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) [2022-11-25 16:43:10,758 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 16:43:10,758 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-25 16:43:10,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 16:43:10,762 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2022-11-25 16:43:10,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:43:10,763 INFO L85 PathProgramCache]: Analyzing trace with hash -513129734, now seen corresponding path program 1 times [2022-11-25 16:43:10,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:43:10,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084423768] [2022-11-25 16:43:10,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:43:10,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:43:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:43:10,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:43:10,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:43:10,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084423768] [2022-11-25 16:43:10,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084423768] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:43:10,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:43:10,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 16:43:10,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442315692] [2022-11-25 16:43:10,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:43:10,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:43:10,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:43:10,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:43:10,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:43:11,014 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 800 [2022-11-25 16:43:11,017 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 20 transitions, 43 flow. Second operand has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 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) [2022-11-25 16:43:11,017 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:43:11,017 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 800 [2022-11-25 16:43:11,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:43:11,082 INFO L130 PetriNetUnfolder]: 89/166 cut-off events. [2022-11-25 16:43:11,083 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-25 16:43:11,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 319 conditions, 166 events. 89/166 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 643 event pairs, 49 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 316. Up to 144 conditions per place. [2022-11-25 16:43:11,084 INFO L137 encePairwiseOnDemand]: 798/800 looper letters, 12 selfloop transitions, 1 changer transitions 1/19 dead transitions. [2022-11-25 16:43:11,084 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 19 transitions, 69 flow [2022-11-25 16:43:11,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:43:11,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 16:43:11,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 987 transitions. [2022-11-25 16:43:11,088 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.41125 [2022-11-25 16:43:11,088 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 987 transitions. [2022-11-25 16:43:11,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 987 transitions. [2022-11-25 16:43:11,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:43:11,090 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 987 transitions. [2022-11-25 16:43:11,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 329.0) internal successors, (987), 3 states have internal predecessors, (987), 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) [2022-11-25 16:43:11,098 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 800.0) internal successors, (3200), 4 states have internal predecessors, (3200), 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) [2022-11-25 16:43:11,100 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 800.0) internal successors, (3200), 4 states have internal predecessors, (3200), 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) [2022-11-25 16:43:11,101 INFO L175 Difference]: Start difference. First operand has 23 places, 20 transitions, 43 flow. Second operand 3 states and 987 transitions. [2022-11-25 16:43:11,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 19 transitions, 69 flow [2022-11-25 16:43:11,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 19 transitions, 69 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-25 16:43:11,102 INFO L231 Difference]: Finished difference. Result has 23 places, 18 transitions, 41 flow [2022-11-25 16:43:11,103 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=800, PETRI_DIFFERENCE_MINUEND_FLOW=41, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=41, PETRI_PLACES=23, PETRI_TRANSITIONS=18} [2022-11-25 16:43:11,104 INFO L288 CegarLoopForPetriNet]: 57 programPoint places, -34 predicate places. [2022-11-25 16:43:11,104 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 18 transitions, 41 flow [2022-11-25 16:43:11,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 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) [2022-11-25 16:43:11,106 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 16:43:11,106 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:43:11,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 16:43:11,107 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2022-11-25 16:43:11,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:43:11,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1346902969, now seen corresponding path program 1 times [2022-11-25 16:43:11,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:43:11,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848480932] [2022-11-25 16:43:11,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:43:11,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:43:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:43:11,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:43:11,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:43:11,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848480932] [2022-11-25 16:43:11,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848480932] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:43:11,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:43:11,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 16:43:11,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241460226] [2022-11-25 16:43:11,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:43:11,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 16:43:11,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:43:11,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 16:43:11,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 16:43:11,234 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 800 [2022-11-25 16:43:11,236 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 18 transitions, 41 flow. Second operand has 3 states, 3 states have (on average 326.0) internal successors, (978), 3 states have internal predecessors, (978), 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) [2022-11-25 16:43:11,236 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 16:43:11,236 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 800 [2022-11-25 16:43:11,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 16:43:11,276 INFO L130 PetriNetUnfolder]: 70/132 cut-off events. [2022-11-25 16:43:11,277 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 16:43:11,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 256 conditions, 132 events. 70/132 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 475 event pairs, 34 based on Foata normal form. 12/100 useless extension candidates. Maximal degree in co-relation 252. Up to 113 conditions per place. [2022-11-25 16:43:11,277 INFO L137 encePairwiseOnDemand]: 798/800 looper letters, 0 selfloop transitions, 0 changer transitions 17/17 dead transitions. [2022-11-25 16:43:11,277 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 17 transitions, 65 flow [2022-11-25 16:43:11,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 16:43:11,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 16:43:11,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 986 transitions. [2022-11-25 16:43:11,281 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.41083333333333333 [2022-11-25 16:43:11,281 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 986 transitions. [2022-11-25 16:43:11,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 986 transitions. [2022-11-25 16:43:11,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 16:43:11,282 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 986 transitions. [2022-11-25 16:43:11,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 328.6666666666667) internal successors, (986), 3 states have internal predecessors, (986), 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) [2022-11-25 16:43:11,290 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 800.0) internal successors, (3200), 4 states have internal predecessors, (3200), 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) [2022-11-25 16:43:11,292 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 800.0) internal successors, (3200), 4 states have internal predecessors, (3200), 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) [2022-11-25 16:43:11,292 INFO L175 Difference]: Start difference. First operand has 23 places, 18 transitions, 41 flow. Second operand 3 states and 986 transitions. [2022-11-25 16:43:11,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 17 transitions, 65 flow [2022-11-25 16:43:11,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 17 transitions, 64 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-25 16:43:11,293 INFO L231 Difference]: Finished difference. Result has 22 places, 0 transitions, 0 flow [2022-11-25 16:43:11,293 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=800, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=20, 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=22, PETRI_TRANSITIONS=0} [2022-11-25 16:43:11,294 INFO L288 CegarLoopForPetriNet]: 57 programPoint places, -35 predicate places. [2022-11-25 16:43:11,294 INFO L495 AbstractCegarLoop]: Abstraction has has 22 places, 0 transitions, 0 flow [2022-11-25 16:43:11,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 326.0) internal successors, (978), 3 states have internal predecessors, (978), 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) [2022-11-25 16:43:11,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (52 of 53 remaining) [2022-11-25 16:43:11,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (51 of 53 remaining) [2022-11-25 16:43:11,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (50 of 53 remaining) [2022-11-25 16:43:11,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (49 of 53 remaining) [2022-11-25 16:43:11,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (48 of 53 remaining) [2022-11-25 16:43:11,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (47 of 53 remaining) [2022-11-25 16:43:11,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (46 of 53 remaining) [2022-11-25 16:43:11,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (45 of 53 remaining) [2022-11-25 16:43:11,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (44 of 53 remaining) [2022-11-25 16:43:11,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (43 of 53 remaining) [2022-11-25 16:43:11,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (42 of 53 remaining) [2022-11-25 16:43:11,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (41 of 53 remaining) [2022-11-25 16:43:11,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (40 of 53 remaining) [2022-11-25 16:43:11,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (39 of 53 remaining) [2022-11-25 16:43:11,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (38 of 53 remaining) [2022-11-25 16:43:11,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (37 of 53 remaining) [2022-11-25 16:43:11,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (36 of 53 remaining) [2022-11-25 16:43:11,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (35 of 53 remaining) [2022-11-25 16:43:11,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (34 of 53 remaining) [2022-11-25 16:43:11,303 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (33 of 53 remaining) [2022-11-25 16:43:11,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (32 of 53 remaining) [2022-11-25 16:43:11,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (31 of 53 remaining) [2022-11-25 16:43:11,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (30 of 53 remaining) [2022-11-25 16:43:11,304 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (29 of 53 remaining) [2022-11-25 16:43:11,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (28 of 53 remaining) [2022-11-25 16:43:11,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (27 of 53 remaining) [2022-11-25 16:43:11,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (26 of 53 remaining) [2022-11-25 16:43:11,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (25 of 53 remaining) [2022-11-25 16:43:11,306 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (24 of 53 remaining) [2022-11-25 16:43:11,306 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (23 of 53 remaining) [2022-11-25 16:43:11,306 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (22 of 53 remaining) [2022-11-25 16:43:11,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (21 of 53 remaining) [2022-11-25 16:43:11,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (20 of 53 remaining) [2022-11-25 16:43:11,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 53 remaining) [2022-11-25 16:43:11,307 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 53 remaining) [2022-11-25 16:43:11,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 53 remaining) [2022-11-25 16:43:11,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (16 of 53 remaining) [2022-11-25 16:43:11,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (15 of 53 remaining) [2022-11-25 16:43:11,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (14 of 53 remaining) [2022-11-25 16:43:11,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (13 of 53 remaining) [2022-11-25 16:43:11,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 53 remaining) [2022-11-25 16:43:11,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 53 remaining) [2022-11-25 16:43:11,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (10 of 53 remaining) [2022-11-25 16:43:11,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (9 of 53 remaining) [2022-11-25 16:43:11,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (8 of 53 remaining) [2022-11-25 16:43:11,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 53 remaining) [2022-11-25 16:43:11,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 53 remaining) [2022-11-25 16:43:11,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (5 of 53 remaining) [2022-11-25 16:43:11,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (4 of 53 remaining) [2022-11-25 16:43:11,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 53 remaining) [2022-11-25 16:43:11,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (2 of 53 remaining) [2022-11-25 16:43:11,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (1 of 53 remaining) [2022-11-25 16:43:11,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (0 of 53 remaining) [2022-11-25 16:43:11,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 16:43:11,312 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-25 16:43:11,318 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-25 16:43:11,319 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 16:43:11,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 04:43:11 BasicIcfg [2022-11-25 16:43:11,323 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 16:43:11,323 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 16:43:11,323 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 16:43:11,324 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 16:43:11,324 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:42:56" (3/4) ... [2022-11-25 16:43:11,327 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 16:43:11,333 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-25 16:43:11,334 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-25 16:43:11,339 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-25 16:43:11,339 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 16:43:11,340 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 16:43:11,340 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 16:43:11,380 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fa93bb-d5fa-4f92-9792-a145861537c4/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 16:43:11,380 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 16:43:11,381 INFO L158 Benchmark]: Toolchain (without parser) took 15842.28ms. Allocated memory was 205.5MB in the beginning and 260.0MB in the end (delta: 54.5MB). Free memory was 176.3MB in the beginning and 74.9MB in the end (delta: 101.3MB). Peak memory consumption was 155.9MB. Max. memory is 16.1GB. [2022-11-25 16:43:11,381 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 125.8MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:43:11,381 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.69ms. Allocated memory is still 205.5MB. Free memory was 176.3MB in the beginning and 163.9MB in the end (delta: 12.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 16:43:11,382 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.83ms. Allocated memory is still 205.5MB. Free memory was 163.9MB in the beginning and 161.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:43:11,382 INFO L158 Benchmark]: Boogie Preprocessor took 51.53ms. Allocated memory is still 205.5MB. Free memory was 161.6MB in the beginning and 159.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:43:11,382 INFO L158 Benchmark]: RCFGBuilder took 920.47ms. Allocated memory is still 205.5MB. Free memory was 159.8MB in the beginning and 135.2MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-25 16:43:11,383 INFO L158 Benchmark]: TraceAbstraction took 14476.31ms. Allocated memory was 205.5MB in the beginning and 260.0MB in the end (delta: 54.5MB). Free memory was 134.6MB in the beginning and 79.1MB in the end (delta: 55.5MB). Peak memory consumption was 111.8MB. Max. memory is 16.1GB. [2022-11-25 16:43:11,383 INFO L158 Benchmark]: Witness Printer took 56.68ms. Allocated memory is still 260.0MB. Free memory was 79.1MB in the beginning and 74.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 16:43:11,385 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 125.8MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.69ms. Allocated memory is still 205.5MB. Free memory was 176.3MB in the beginning and 163.9MB in the end (delta: 12.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.83ms. Allocated memory is still 205.5MB. Free memory was 163.9MB in the beginning and 161.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.53ms. Allocated memory is still 205.5MB. Free memory was 161.6MB in the beginning and 159.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 920.47ms. Allocated memory is still 205.5MB. Free memory was 159.8MB in the beginning and 135.2MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 14476.31ms. Allocated memory was 205.5MB in the beginning and 260.0MB in the end (delta: 54.5MB). Free memory was 134.6MB in the beginning and 79.1MB in the end (delta: 55.5MB). Peak memory consumption was 111.8MB. Max. memory is 16.1GB. * Witness Printer took 56.68ms. Allocated memory is still 260.0MB. Free memory was 79.1MB in the beginning and 74.9MB 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: 12.7s, 328 PlacesBefore, 57 PlacesAfterwards, 335 TransitionsBefore, 55 TransitionsAfterwards, 26136 CoEnabledTransitionPairs, 10 FixpointIterations, 143 TrivialSequentialCompositions, 244 ConcurrentSequentialCompositions, 11 TrivialYvCompositions, 38 ConcurrentYvCompositions, 9 ChoiceCompositions, 445 TotalNumberOfCompositions, 27016 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 24643, independent: 24552, independent conditional: 0, independent unconditional: 24552, dependent: 91, dependent conditional: 0, dependent unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18143, independent: 18129, independent conditional: 0, independent unconditional: 18129, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 18143, independent: 18076, independent conditional: 0, independent unconditional: 18076, dependent: 67, dependent conditional: 0, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 67, independent: 53, independent conditional: 0, independent unconditional: 53, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 88, independent: 55, independent conditional: 0, independent unconditional: 55, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 24643, independent: 6423, independent conditional: 0, independent unconditional: 6423, dependent: 77, dependent conditional: 0, dependent unconditional: 77, unknown: 18143, unknown conditional: 0, unknown unconditional: 18143] , Statistics on independence cache: Total cache size (in pairs): 156, Positive cache size: 152, Positive conditional cache size: 0, Positive unconditional cache size: 152, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: 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: 48]: 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: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: 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: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: 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: 83]: 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, 531 locations, 53 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: 14.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 13.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 84 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 72 IncrementalHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 22 mSDtfsCounter, 72 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=122occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 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 33 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-25 16:43:11,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4fa93bb-d5fa-4f92-9792-a145861537c4/bin/uautomizer-ZsLfNo2U6R/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