./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-2-unrolled-atomic.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4f8c57-cae8-416b-b99e-3f9015092805/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4f8c57-cae8-416b-b99e-3f9015092805/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_5f4f8c57-cae8-416b-b99e-3f9015092805/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4f8c57-cae8-416b-b99e-3f9015092805/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-2-unrolled-atomic.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4f8c57-cae8-416b-b99e-3f9015092805/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_5f4f8c57-cae8-416b-b99e-3f9015092805/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 fafa05b72e6925548935fa790281a49d4bca5cad8ef15917dd3e0ea4e3ccb38f --- 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 21:16:46,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:16:46,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:16:46,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:16:46,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:16:46,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:16:46,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:16:46,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:16:46,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:16:46,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:16:46,910 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:16:46,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:16:46,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:16:46,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:16:46,913 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:16:46,914 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:16:46,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:16:46,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:16:46,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:16:46,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:16:46,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:16:46,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:16:46,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:16:46,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:16:46,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:16:46,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:16:46,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:16:46,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:16:46,928 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:16:46,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:16:46,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:16:46,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:16:46,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:16:46,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:16:46,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:16:46,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:16:46,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:16:46,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:16:46,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:16:46,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:16:46,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:16:46,936 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4f8c57-cae8-416b-b99e-3f9015092805/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 21:16:46,956 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:16:46,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:16:46,956 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:16:46,956 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:16:46,957 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:16:46,957 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:16:46,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:16:46,958 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:16:46,958 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:16:46,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:16:46,958 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 21:16:46,959 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:16:46,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:16:46,959 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 21:16:46,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:16:46,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:16:46,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:16:46,960 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:16:46,960 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 21:16:46,960 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 21:16:46,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:16:46,960 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:16:46,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:16:46,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:16:46,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:16:46,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:16:46,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:16:46,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:16:46,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:16:46,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:16:46,961 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:16:46,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 21:16:46,961 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:16:46,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:16:46,962 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:16:46,962 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:16:46,962 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:16:46,962 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_5f4f8c57-cae8-416b-b99e-3f9015092805/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4f8c57-cae8-416b-b99e-3f9015092805/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fafa05b72e6925548935fa790281a49d4bca5cad8ef15917dd3e0ea4e3ccb38f [2022-12-13 21:16:47,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:16:47,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:16:47,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:16:47,184 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:16:47,184 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:16:47,185 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4f8c57-cae8-416b-b99e-3f9015092805/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2022-12-13 21:16:49,659 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:16:49,812 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:16:49,812 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4f8c57-cae8-416b-b99e-3f9015092805/sv-benchmarks/c/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2022-12-13 21:16:49,816 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4f8c57-cae8-416b-b99e-3f9015092805/bin/uautomizer-uyxdKDjOR8/data/633aa8d12/19a4659952604b54b7164ea78c08b5a1/FLAGa798776e5 [2022-12-13 21:16:50,230 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4f8c57-cae8-416b-b99e-3f9015092805/bin/uautomizer-uyxdKDjOR8/data/633aa8d12/19a4659952604b54b7164ea78c08b5a1 [2022-12-13 21:16:50,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:16:50,233 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:16:50,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:16:50,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:16:50,236 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:16:50,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:16:50" (1/1) ... [2022-12-13 21:16:50,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fdf0f95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:50, skipping insertion in model container [2022-12-13 21:16:50,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:16:50" (1/1) ... [2022-12-13 21:16:50,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:16:50,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:16:50,358 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:16:50,361 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:16:50,363 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:16:50,364 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:16:50,371 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_5f4f8c57-cae8-416b-b99e-3f9015092805/sv-benchmarks/c/weaver/parallel-misc-2-unrolled-atomic.wvr.c[2252,2265] [2022-12-13 21:16:50,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:16:50,378 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:16:50,388 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:16:50,389 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:16:50,390 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:16:50,391 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:16:50,400 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_5f4f8c57-cae8-416b-b99e-3f9015092805/sv-benchmarks/c/weaver/parallel-misc-2-unrolled-atomic.wvr.c[2252,2265] [2022-12-13 21:16:50,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:16:50,415 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:16:50,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:50 WrapperNode [2022-12-13 21:16:50,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:16:50,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:16:50,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:16:50,416 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:16:50,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:50" (1/1) ... [2022-12-13 21:16:50,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:50" (1/1) ... [2022-12-13 21:16:50,451 INFO L138 Inliner]: procedures = 20, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 122 [2022-12-13 21:16:50,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:16:50,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:16:50,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:16:50,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:16:50,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:50" (1/1) ... [2022-12-13 21:16:50,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:50" (1/1) ... [2022-12-13 21:16:50,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:50" (1/1) ... [2022-12-13 21:16:50,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:50" (1/1) ... [2022-12-13 21:16:50,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:50" (1/1) ... [2022-12-13 21:16:50,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:50" (1/1) ... [2022-12-13 21:16:50,476 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:50" (1/1) ... [2022-12-13 21:16:50,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:50" (1/1) ... [2022-12-13 21:16:50,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:16:50,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:16:50,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:16:50,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:16:50,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:50" (1/1) ... [2022-12-13 21:16:50,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:16:50,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4f8c57-cae8-416b-b99e-3f9015092805/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:16:50,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4f8c57-cae8-416b-b99e-3f9015092805/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:16:50,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4f8c57-cae8-416b-b99e-3f9015092805/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:16:50,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:16:50,543 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 21:16:50,543 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 21:16:50,544 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 21:16:50,544 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 21:16:50,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:16:50,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 21:16:50,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 21:16:50,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 21:16:50,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 21:16:50,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:16:50,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:16:50,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 21:16:50,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 21:16:50,547 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 21:16:50,639 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:16:50,641 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:16:50,922 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:16:51,011 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:16:51,012 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 21:16:51,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:16:51 BoogieIcfgContainer [2022-12-13 21:16:51,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:16:51,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:16:51,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:16:51,019 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:16:51,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:16:50" (1/3) ... [2022-12-13 21:16:51,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17115ae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:16:51, skipping insertion in model container [2022-12-13 21:16:51,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:50" (2/3) ... [2022-12-13 21:16:51,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17115ae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:16:51, skipping insertion in model container [2022-12-13 21:16:51,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:16:51" (3/3) ... [2022-12-13 21:16:51,022 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2-unrolled-atomic.wvr.c [2022-12-13 21:16:51,028 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 21:16:51,036 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:16:51,037 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-12-13 21:16:51,037 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 21:16:51,088 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 21:16:51,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 191 places, 194 transitions, 404 flow [2022-12-13 21:16:51,179 INFO L130 PetriNetUnfolder]: 10/192 cut-off events. [2022-12-13 21:16:51,179 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 21:16:51,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 192 events. 10/192 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 198 event pairs, 0 based on Foata normal form. 0/148 useless extension candidates. Maximal degree in co-relation 133. Up to 2 conditions per place. [2022-12-13 21:16:51,184 INFO L82 GeneralOperation]: Start removeDead. Operand has 191 places, 194 transitions, 404 flow [2022-12-13 21:16:51,190 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 172 places, 174 transitions, 360 flow [2022-12-13 21:16:51,194 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 21:16:51,205 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 172 places, 174 transitions, 360 flow [2022-12-13 21:16:51,208 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 172 places, 174 transitions, 360 flow [2022-12-13 21:16:51,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 172 places, 174 transitions, 360 flow [2022-12-13 21:16:51,244 INFO L130 PetriNetUnfolder]: 9/174 cut-off events. [2022-12-13 21:16:51,244 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 21:16:51,245 INFO L83 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 174 events. 9/174 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 197 event pairs, 0 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 133. Up to 2 conditions per place. [2022-12-13 21:16:51,247 INFO L119 LiptonReduction]: Number of co-enabled transitions 2120 [2022-12-13 21:16:55,571 INFO L134 LiptonReduction]: Checked pairs total: 10839 [2022-12-13 21:16:55,571 INFO L136 LiptonReduction]: Total number of compositions: 205 [2022-12-13 21:16:55,581 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:16:55,587 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;@549c9d23, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:16:55,587 INFO L358 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2022-12-13 21:16:55,588 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 21:16:55,588 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 21:16:55,588 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:16:55,589 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 21:16:55,589 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-12-13 21:16:55,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:16:55,594 INFO L85 PathProgramCache]: Analyzing trace with hash 847, now seen corresponding path program 1 times [2022-12-13 21:16:55,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:16:55,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115779536] [2022-12-13 21:16:55,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:16:55,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:16:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:16:55,692 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 21:16:55,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:16:55,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115779536] [2022-12-13 21:16:55,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115779536] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:16:55,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:16:55,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 21:16:55,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198555147] [2022-12-13 21:16:55,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:16:55,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 21:16:55,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:16:55,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 21:16:55,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 21:16:55,719 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 399 [2022-12-13 21:16:55,721 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 52 transitions, 116 flow. Second operand has 2 states, 2 states have (on average 166.5) internal successors, (333), 2 states have internal predecessors, (333), 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 21:16:55,722 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:16:55,722 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 399 [2022-12-13 21:16:55,723 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:16:55,757 INFO L130 PetriNetUnfolder]: 51/96 cut-off events. [2022-12-13 21:16:55,757 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-12-13 21:16:55,757 INFO L83 FinitePrefix]: Finished finitePrefix Result has 204 conditions, 96 events. 51/96 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 221 event pairs, 33 based on Foata normal form. 1/87 useless extension candidates. Maximal degree in co-relation 155. Up to 92 conditions per place. [2022-12-13 21:16:55,758 INFO L137 encePairwiseOnDemand]: 365/399 looper letters, 14 selfloop transitions, 0 changer transitions 1/18 dead transitions. [2022-12-13 21:16:55,759 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 18 transitions, 78 flow [2022-12-13 21:16:55,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 21:16:55,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 21:16:55,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 381 transitions. [2022-12-13 21:16:55,768 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4774436090225564 [2022-12-13 21:16:55,769 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 381 transitions. [2022-12-13 21:16:55,769 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 381 transitions. [2022-12-13 21:16:55,770 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:16:55,772 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 381 transitions. [2022-12-13 21:16:55,774 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 190.5) internal successors, (381), 2 states have internal predecessors, (381), 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 21:16:55,777 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 399.0) internal successors, (1197), 3 states have internal predecessors, (1197), 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 21:16:55,778 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 399.0) internal successors, (1197), 3 states have internal predecessors, (1197), 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 21:16:55,779 INFO L175 Difference]: Start difference. First operand has 55 places, 52 transitions, 116 flow. Second operand 2 states and 381 transitions. [2022-12-13 21:16:55,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 18 transitions, 78 flow [2022-12-13 21:16:55,781 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 18 transitions, 70 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 21:16:55,782 INFO L231 Difference]: Finished difference. Result has 20 places, 17 transitions, 37 flow [2022-12-13 21:16:55,783 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=399, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=37, PETRI_PLACES=20, PETRI_TRANSITIONS=17} [2022-12-13 21:16:55,786 INFO L288 CegarLoopForPetriNet]: 55 programPoint places, -35 predicate places. [2022-12-13 21:16:55,786 INFO L495 AbstractCegarLoop]: Abstraction has has 20 places, 17 transitions, 37 flow [2022-12-13 21:16:55,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 166.5) internal successors, (333), 2 states have internal predecessors, (333), 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 21:16:55,786 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:16:55,787 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 21:16:55,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 21:16:55,787 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-12-13 21:16:55,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:16:55,787 INFO L85 PathProgramCache]: Analyzing trace with hash 26423845, now seen corresponding path program 1 times [2022-12-13 21:16:55,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:16:55,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906821971] [2022-12-13 21:16:55,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:16:55,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:16:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:16:55,841 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 21:16:55,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:16:55,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906821971] [2022-12-13 21:16:55,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906821971] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:16:55,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:16:55,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:16:55,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267775624] [2022-12-13 21:16:55,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:16:55,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:16:55,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:16:55,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:16:55,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:16:55,858 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 399 [2022-12-13 21:16:55,859 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 17 transitions, 37 flow. Second operand has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 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 21:16:55,859 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:16:55,859 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 399 [2022-12-13 21:16:55,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:16:55,888 INFO L130 PetriNetUnfolder]: 65/114 cut-off events. [2022-12-13 21:16:55,888 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 21:16:55,888 INFO L83 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 114 events. 65/114 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 269 event pairs, 45 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 233. Up to 114 conditions per place. [2022-12-13 21:16:55,889 INFO L137 encePairwiseOnDemand]: 396/399 looper letters, 0 selfloop transitions, 0 changer transitions 15/15 dead transitions. [2022-12-13 21:16:55,889 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 15 transitions, 63 flow [2022-12-13 21:16:55,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:16:55,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 21:16:55,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 476 transitions. [2022-12-13 21:16:55,892 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.39766081871345027 [2022-12-13 21:16:55,892 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 476 transitions. [2022-12-13 21:16:55,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 476 transitions. [2022-12-13 21:16:55,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:16:55,893 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 476 transitions. [2022-12-13 21:16:55,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 158.66666666666666) internal successors, (476), 3 states have internal predecessors, (476), 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 21:16:55,897 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 399.0) internal successors, (1596), 4 states have internal predecessors, (1596), 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 21:16:55,898 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 399.0) internal successors, (1596), 4 states have internal predecessors, (1596), 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 21:16:55,898 INFO L175 Difference]: Start difference. First operand has 20 places, 17 transitions, 37 flow. Second operand 3 states and 476 transitions. [2022-12-13 21:16:55,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 15 transitions, 63 flow [2022-12-13 21:16:55,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 15 transitions, 63 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 21:16:55,899 INFO L231 Difference]: Finished difference. Result has 19 places, 0 transitions, 0 flow [2022-12-13 21:16:55,899 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=399, PETRI_DIFFERENCE_MINUEND_FLOW=33, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=19, PETRI_TRANSITIONS=0} [2022-12-13 21:16:55,900 INFO L288 CegarLoopForPetriNet]: 55 programPoint places, -36 predicate places. [2022-12-13 21:16:55,900 INFO L495 AbstractCegarLoop]: Abstraction has has 19 places, 0 transitions, 0 flow [2022-12-13 21:16:55,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 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 21:16:55,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (55 of 56 remaining) [2022-12-13 21:16:55,903 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (54 of 56 remaining) [2022-12-13 21:16:55,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (53 of 56 remaining) [2022-12-13 21:16:55,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (52 of 56 remaining) [2022-12-13 21:16:55,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (51 of 56 remaining) [2022-12-13 21:16:55,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (50 of 56 remaining) [2022-12-13 21:16:55,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (49 of 56 remaining) [2022-12-13 21:16:55,904 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (48 of 56 remaining) [2022-12-13 21:16:55,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (47 of 56 remaining) [2022-12-13 21:16:55,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (46 of 56 remaining) [2022-12-13 21:16:55,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (45 of 56 remaining) [2022-12-13 21:16:55,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (44 of 56 remaining) [2022-12-13 21:16:55,905 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (43 of 56 remaining) [2022-12-13 21:16:55,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (42 of 56 remaining) [2022-12-13 21:16:55,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (41 of 56 remaining) [2022-12-13 21:16:55,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (40 of 56 remaining) [2022-12-13 21:16:55,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (39 of 56 remaining) [2022-12-13 21:16:55,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (38 of 56 remaining) [2022-12-13 21:16:55,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (37 of 56 remaining) [2022-12-13 21:16:55,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (36 of 56 remaining) [2022-12-13 21:16:55,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 56 remaining) [2022-12-13 21:16:55,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 56 remaining) [2022-12-13 21:16:55,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 56 remaining) [2022-12-13 21:16:55,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (32 of 56 remaining) [2022-12-13 21:16:55,907 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (31 of 56 remaining) [2022-12-13 21:16:55,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (30 of 56 remaining) [2022-12-13 21:16:55,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (29 of 56 remaining) [2022-12-13 21:16:55,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (28 of 56 remaining) [2022-12-13 21:16:55,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (27 of 56 remaining) [2022-12-13 21:16:55,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (26 of 56 remaining) [2022-12-13 21:16:55,908 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (25 of 56 remaining) [2022-12-13 21:16:55,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (24 of 56 remaining) [2022-12-13 21:16:55,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (23 of 56 remaining) [2022-12-13 21:16:55,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (22 of 56 remaining) [2022-12-13 21:16:55,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 56 remaining) [2022-12-13 21:16:55,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 56 remaining) [2022-12-13 21:16:55,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (19 of 56 remaining) [2022-12-13 21:16:55,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (18 of 56 remaining) [2022-12-13 21:16:55,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (17 of 56 remaining) [2022-12-13 21:16:55,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (16 of 56 remaining) [2022-12-13 21:16:55,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (15 of 56 remaining) [2022-12-13 21:16:55,910 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (14 of 56 remaining) [2022-12-13 21:16:55,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (13 of 56 remaining) [2022-12-13 21:16:55,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (12 of 56 remaining) [2022-12-13 21:16:55,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (11 of 56 remaining) [2022-12-13 21:16:55,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (10 of 56 remaining) [2022-12-13 21:16:55,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (9 of 56 remaining) [2022-12-13 21:16:55,911 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (8 of 56 remaining) [2022-12-13 21:16:55,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (7 of 56 remaining) [2022-12-13 21:16:55,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (6 of 56 remaining) [2022-12-13 21:16:55,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (5 of 56 remaining) [2022-12-13 21:16:55,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (4 of 56 remaining) [2022-12-13 21:16:55,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (3 of 56 remaining) [2022-12-13 21:16:55,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (2 of 56 remaining) [2022-12-13 21:16:55,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (1 of 56 remaining) [2022-12-13 21:16:55,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (0 of 56 remaining) [2022-12-13 21:16:55,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 21:16:55,913 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 21:16:55,919 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 21:16:55,919 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:16:55,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:16:55 BasicIcfg [2022-12-13 21:16:55,923 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:16:55,923 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:16:55,923 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:16:55,923 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:16:55,924 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:16:51" (3/4) ... [2022-12-13 21:16:55,926 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 21:16:55,931 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 21:16:55,931 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 21:16:55,935 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-12-13 21:16:55,936 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 21:16:55,936 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 21:16:55,936 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 21:16:55,974 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4f8c57-cae8-416b-b99e-3f9015092805/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 21:16:55,975 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:16:55,975 INFO L158 Benchmark]: Toolchain (without parser) took 5742.43ms. Allocated memory is still 197.1MB. Free memory was 169.0MB in the beginning and 103.0MB in the end (delta: 65.9MB). Peak memory consumption was 69.7MB. Max. memory is 16.1GB. [2022-12-13 21:16:55,975 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 98.6MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:16:55,976 INFO L158 Benchmark]: CACSL2BoogieTranslator took 182.20ms. Allocated memory is still 197.1MB. Free memory was 169.0MB in the beginning and 156.7MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 21:16:55,976 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.07ms. Allocated memory is still 197.1MB. Free memory was 156.7MB in the beginning and 154.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:16:55,976 INFO L158 Benchmark]: Boogie Preprocessor took 28.83ms. Allocated memory is still 197.1MB. Free memory was 154.7MB in the beginning and 153.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:16:55,976 INFO L158 Benchmark]: RCFGBuilder took 533.00ms. Allocated memory is still 197.1MB. Free memory was 153.3MB in the beginning and 122.7MB in the end (delta: 30.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-12-13 21:16:55,977 INFO L158 Benchmark]: TraceAbstraction took 4906.32ms. Allocated memory is still 197.1MB. Free memory was 121.8MB in the beginning and 107.2MB in the end (delta: 14.6MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2022-12-13 21:16:55,977 INFO L158 Benchmark]: Witness Printer took 51.50ms. Allocated memory is still 197.1MB. Free memory was 106.2MB in the beginning and 103.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:16:55,979 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 98.6MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 182.20ms. Allocated memory is still 197.1MB. Free memory was 169.0MB in the beginning and 156.7MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.07ms. Allocated memory is still 197.1MB. Free memory was 156.7MB in the beginning and 154.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.83ms. Allocated memory is still 197.1MB. Free memory was 154.7MB in the beginning and 153.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 533.00ms. Allocated memory is still 197.1MB. Free memory was 153.3MB in the beginning and 122.7MB in the end (delta: 30.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 4906.32ms. Allocated memory is still 197.1MB. Free memory was 121.8MB in the beginning and 107.2MB in the end (delta: 14.6MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * Witness Printer took 51.50ms. Allocated memory is still 197.1MB. Free memory was 106.2MB in the beginning and 103.0MB 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: 4.4s, 172 PlacesBefore, 55 PlacesAfterwards, 174 TransitionsBefore, 52 TransitionsAfterwards, 2120 CoEnabledTransitionPairs, 9 FixpointIterations, 135 TrivialSequentialCompositions, 44 ConcurrentSequentialCompositions, 15 TrivialYvCompositions, 6 ConcurrentYvCompositions, 5 ChoiceCompositions, 205 TotalNumberOfCompositions, 10839 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6385, independent: 5980, independent conditional: 0, independent unconditional: 5980, dependent: 405, dependent conditional: 0, dependent unconditional: 405, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1226, independent: 1193, independent conditional: 0, independent unconditional: 1193, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6385, independent: 4787, independent conditional: 0, independent unconditional: 4787, dependent: 372, dependent conditional: 0, dependent unconditional: 372, unknown: 1226, unknown conditional: 0, unknown unconditional: 1226] , Statistics on independence cache: Total cache size (in pairs): 264, Positive cache size: 241, Positive conditional cache size: 0, Positive unconditional cache size: 241, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: 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: 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: 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: 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: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 225 locations, 56 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: 4.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 41 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 4 mSDtfsCounter, 38 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 34 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 21:16:55,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f4f8c57-cae8-416b-b99e-3f9015092805/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