./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb256bc8-95b8-4d7f-b18d-d4e4338dc8a6/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb256bc8-95b8-4d7f-b18d-d4e4338dc8a6/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_eb256bc8-95b8-4d7f-b18d-d4e4338dc8a6/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb256bc8-95b8-4d7f-b18d-d4e4338dc8a6/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb256bc8-95b8-4d7f-b18d-d4e4338dc8a6/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_eb256bc8-95b8-4d7f-b18d-d4e4338dc8a6/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 4a65477eb93c2031bed3e6d454d38e75e9833f23496d456d5084dd6ae5f38687 --- 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 19:56:35,852 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:56:35,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:56:35,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:56:35,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:56:35,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:56:35,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:56:35,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:56:35,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:56:35,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:56:35,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:56:35,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:56:35,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:56:35,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:56:35,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:56:35,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:56:35,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:56:35,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:56:35,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:56:35,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:56:35,880 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:56:35,881 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:56:35,883 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:56:35,884 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:56:35,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:56:35,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:56:35,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:56:35,887 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:56:35,888 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:56:35,888 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:56:35,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:56:35,889 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:56:35,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:56:35,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:56:35,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:56:35,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:56:35,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:56:35,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:56:35,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:56:35,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:56:35,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:56:35,893 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb256bc8-95b8-4d7f-b18d-d4e4338dc8a6/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 19:56:35,920 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:56:35,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:56:35,921 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:56:35,927 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:56:35,928 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:56:35,928 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:56:35,929 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:56:35,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:56:35,929 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:56:35,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:56:35,930 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 19:56:35,930 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 19:56:35,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 19:56:35,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 19:56:35,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:56:35,931 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:56:35,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:56:35,931 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:56:35,931 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 19:56:35,931 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 19:56:35,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:56:35,931 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:56:35,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:56:35,932 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:56:35,932 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:56:35,932 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:56:35,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:56:35,933 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:56:35,933 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:56:35,933 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:56:35,933 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 19:56:35,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 19:56:35,933 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:56:35,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:56:35,934 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:56:35,934 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:56:35,934 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:56:35,934 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_eb256bc8-95b8-4d7f-b18d-d4e4338dc8a6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb256bc8-95b8-4d7f-b18d-d4e4338dc8a6/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a65477eb93c2031bed3e6d454d38e75e9833f23496d456d5084dd6ae5f38687 [2022-12-13 19:56:36,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:56:36,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:56:36,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:56:36,150 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:56:36,151 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:56:36,152 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb256bc8-95b8-4d7f-b18d-d4e4338dc8a6/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i [2022-12-13 19:56:38,806 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:56:38,966 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:56:38,966 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb256bc8-95b8-4d7f-b18d-d4e4338dc8a6/sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i [2022-12-13 19:56:38,984 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb256bc8-95b8-4d7f-b18d-d4e4338dc8a6/bin/uautomizer-uyxdKDjOR8/data/04fb8e023/0d473c53037c47feab950abbeb9dc712/FLAG192e391ba [2022-12-13 19:56:38,994 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb256bc8-95b8-4d7f-b18d-d4e4338dc8a6/bin/uautomizer-uyxdKDjOR8/data/04fb8e023/0d473c53037c47feab950abbeb9dc712 [2022-12-13 19:56:38,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:56:38,997 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:56:38,998 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:56:38,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:56:39,001 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:56:39,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:56:38" (1/1) ... [2022-12-13 19:56:39,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@338960c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:56:39, skipping insertion in model container [2022-12-13 19:56:39,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:56:38" (1/1) ... [2022-12-13 19:56:39,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:56:39,031 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:56:39,138 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_eb256bc8-95b8-4d7f-b18d-d4e4338dc8a6/sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i[1107,1120] [2022-12-13 19:56:39,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:56:39,246 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:56:39,255 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_eb256bc8-95b8-4d7f-b18d-d4e4338dc8a6/sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i[1107,1120] [2022-12-13 19:56:39,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:56:39,296 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:56:39,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:56:39 WrapperNode [2022-12-13 19:56:39,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:56:39,297 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:56:39,297 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:56:39,297 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:56:39,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:56:39" (1/1) ... [2022-12-13 19:56:39,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:56:39" (1/1) ... [2022-12-13 19:56:39,326 INFO L138 Inliner]: procedures = 165, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 123 [2022-12-13 19:56:39,327 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:56:39,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:56:39,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:56:39,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:56:39,335 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:56:39" (1/1) ... [2022-12-13 19:56:39,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:56:39" (1/1) ... [2022-12-13 19:56:39,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:56:39" (1/1) ... [2022-12-13 19:56:39,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:56:39" (1/1) ... [2022-12-13 19:56:39,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:56:39" (1/1) ... [2022-12-13 19:56:39,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:56:39" (1/1) ... [2022-12-13 19:56:39,347 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:56:39" (1/1) ... [2022-12-13 19:56:39,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:56:39" (1/1) ... [2022-12-13 19:56:39,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:56:39,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:56:39,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:56:39,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:56:39,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:56:39" (1/1) ... [2022-12-13 19:56:39,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:56:39,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb256bc8-95b8-4d7f-b18d-d4e4338dc8a6/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:56:39,380 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb256bc8-95b8-4d7f-b18d-d4e4338dc8a6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:56:39,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb256bc8-95b8-4d7f-b18d-d4e4338dc8a6/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:56:39,411 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2022-12-13 19:56:39,412 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2022-12-13 19:56:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 19:56:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-13 19:56:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:56:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 19:56:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 19:56:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 19:56:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:56:39,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:56:39,413 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 19:56:39,511 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:56:39,513 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:56:39,690 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:56:39,698 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:56:39,698 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-13 19:56:39,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:56:39 BoogieIcfgContainer [2022-12-13 19:56:39,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:56:39,701 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:56:39,701 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:56:39,704 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:56:39,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:56:38" (1/3) ... [2022-12-13 19:56:39,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f195978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:56:39, skipping insertion in model container [2022-12-13 19:56:39,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:56:39" (2/3) ... [2022-12-13 19:56:39,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f195978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:56:39, skipping insertion in model container [2022-12-13 19:56:39,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:56:39" (3/3) ... [2022-12-13 19:56:39,706 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_69-refine-protected-loop-interval_true.i [2022-12-13 19:56:39,712 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 19:56:39,720 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:56:39,720 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-12-13 19:56:39,720 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 19:56:39,782 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 19:56:39,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 146 places, 152 transitions, 309 flow [2022-12-13 19:56:39,859 INFO L130 PetriNetUnfolder]: 10/151 cut-off events. [2022-12-13 19:56:39,860 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 19:56:39,865 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 151 events. 10/151 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 273 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 108. Up to 2 conditions per place. [2022-12-13 19:56:39,865 INFO L82 GeneralOperation]: Start removeDead. Operand has 146 places, 152 transitions, 309 flow [2022-12-13 19:56:39,869 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 145 places, 151 transitions, 305 flow [2022-12-13 19:56:39,872 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 19:56:39,880 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 145 places, 151 transitions, 305 flow [2022-12-13 19:56:39,882 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 145 places, 151 transitions, 305 flow [2022-12-13 19:56:39,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 145 places, 151 transitions, 305 flow [2022-12-13 19:56:39,909 INFO L130 PetriNetUnfolder]: 10/151 cut-off events. [2022-12-13 19:56:39,909 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 19:56:39,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 151 events. 10/151 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 272 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 108. Up to 2 conditions per place. [2022-12-13 19:56:39,912 INFO L119 LiptonReduction]: Number of co-enabled transitions 5544 [2022-12-13 19:56:41,971 INFO L134 LiptonReduction]: Checked pairs total: 21206 [2022-12-13 19:56:41,971 INFO L136 LiptonReduction]: Total number of compositions: 118 [2022-12-13 19:56:41,982 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:56:41,987 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;@3bbc64fa, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:56:41,987 INFO L358 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2022-12-13 19:56:41,988 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 19:56:41,988 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 19:56:41,988 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:56:41,988 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 19:56:41,989 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2022-12-13 19:56:41,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:56:41,992 INFO L85 PathProgramCache]: Analyzing trace with hash 567, now seen corresponding path program 1 times [2022-12-13 19:56:41,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:56:41,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218119112] [2022-12-13 19:56:41,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:56:41,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:56:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:56:42,084 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 19:56:42,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:56:42,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218119112] [2022-12-13 19:56:42,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218119112] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:56:42,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:56:42,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 19:56:42,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808142379] [2022-12-13 19:56:42,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:56:42,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 19:56:42,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:56:42,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 19:56:42,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 19:56:42,116 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 270 [2022-12-13 19:56:42,119 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 55 transitions, 113 flow. Second operand has 2 states, 2 states have (on average 143.5) internal successors, (287), 2 states have internal predecessors, (287), 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 19:56:42,119 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:56:42,119 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 270 [2022-12-13 19:56:42,120 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:56:42,183 INFO L130 PetriNetUnfolder]: 78/256 cut-off events. [2022-12-13 19:56:42,184 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 19:56:42,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 395 conditions, 256 events. 78/256 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1138 event pairs, 41 based on Foata normal form. 14/206 useless extension candidates. Maximal degree in co-relation 386. Up to 135 conditions per place. [2022-12-13 19:56:42,187 INFO L137 encePairwiseOnDemand]: 266/270 looper letters, 19 selfloop transitions, 0 changer transitions 0/51 dead transitions. [2022-12-13 19:56:42,187 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 51 transitions, 143 flow [2022-12-13 19:56:42,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 19:56:42,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 19:56:42,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 309 transitions. [2022-12-13 19:56:42,200 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5722222222222222 [2022-12-13 19:56:42,201 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 309 transitions. [2022-12-13 19:56:42,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 309 transitions. [2022-12-13 19:56:42,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:56:42,205 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 309 transitions. [2022-12-13 19:56:42,207 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 154.5) internal successors, (309), 2 states have internal predecessors, (309), 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 19:56:42,213 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 270.0) internal successors, (810), 3 states have internal predecessors, (810), 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 19:56:42,214 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 270.0) internal successors, (810), 3 states have internal predecessors, (810), 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 19:56:42,215 INFO L175 Difference]: Start difference. First operand has 52 places, 55 transitions, 113 flow. Second operand 2 states and 309 transitions. [2022-12-13 19:56:42,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 51 transitions, 143 flow [2022-12-13 19:56:42,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 51 transitions, 142 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 19:56:42,220 INFO L231 Difference]: Finished difference. Result has 50 places, 51 transitions, 104 flow [2022-12-13 19:56:42,222 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=104, PETRI_PLACES=50, PETRI_TRANSITIONS=51} [2022-12-13 19:56:42,225 INFO L288 CegarLoopForPetriNet]: 52 programPoint places, -2 predicate places. [2022-12-13 19:56:42,225 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 51 transitions, 104 flow [2022-12-13 19:56:42,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 143.5) internal successors, (287), 2 states have internal predecessors, (287), 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 19:56:42,226 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:56:42,226 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 19:56:42,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 19:56:42,226 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2022-12-13 19:56:42,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:56:42,227 INFO L85 PathProgramCache]: Analyzing trace with hash -520557354, now seen corresponding path program 1 times [2022-12-13 19:56:42,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:56:42,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124235837] [2022-12-13 19:56:42,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:56:42,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:56:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:56:42,316 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 19:56:42,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:56:42,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124235837] [2022-12-13 19:56:42,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124235837] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:56:42,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:56:42,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:56:42,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112683600] [2022-12-13 19:56:42,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:56:42,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:56:42,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:56:42,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:56:42,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:56:42,350 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 270 [2022-12-13 19:56:42,351 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 51 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 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 19:56:42,351 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:56:42,351 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 270 [2022-12-13 19:56:42,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:56:42,471 INFO L130 PetriNetUnfolder]: 400/930 cut-off events. [2022-12-13 19:56:42,471 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 19:56:42,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1742 conditions, 930 events. 400/930 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 4681 event pairs, 108 based on Foata normal form. 0/797 useless extension candidates. Maximal degree in co-relation 1739. Up to 554 conditions per place. [2022-12-13 19:56:42,477 INFO L137 encePairwiseOnDemand]: 247/270 looper letters, 55 selfloop transitions, 16 changer transitions 0/82 dead transitions. [2022-12-13 19:56:42,477 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 82 transitions, 308 flow [2022-12-13 19:56:42,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:56:42,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:56:42,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 435 transitions. [2022-12-13 19:56:42,480 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5370370370370371 [2022-12-13 19:56:42,481 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 435 transitions. [2022-12-13 19:56:42,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 435 transitions. [2022-12-13 19:56:42,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:56:42,482 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 435 transitions. [2022-12-13 19:56:42,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 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 19:56:42,486 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 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 19:56:42,486 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 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 19:56:42,487 INFO L175 Difference]: Start difference. First operand has 50 places, 51 transitions, 104 flow. Second operand 3 states and 435 transitions. [2022-12-13 19:56:42,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 82 transitions, 308 flow [2022-12-13 19:56:42,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 82 transitions, 308 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 19:56:42,489 INFO L231 Difference]: Finished difference. Result has 54 places, 67 transitions, 246 flow [2022-12-13 19:56:42,489 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=246, PETRI_PLACES=54, PETRI_TRANSITIONS=67} [2022-12-13 19:56:42,490 INFO L288 CegarLoopForPetriNet]: 52 programPoint places, 2 predicate places. [2022-12-13 19:56:42,490 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 67 transitions, 246 flow [2022-12-13 19:56:42,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.66666666666667) internal successors, (362), 3 states have internal predecessors, (362), 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 19:56:42,490 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:56:42,490 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:56:42,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 19:56:42,491 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2022-12-13 19:56:42,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:56:42,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1963057593, now seen corresponding path program 1 times [2022-12-13 19:56:42,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:56:42,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594780486] [2022-12-13 19:56:42,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:56:42,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:56:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:56:42,557 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 19:56:42,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:56:42,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594780486] [2022-12-13 19:56:42,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594780486] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:56:42,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:56:42,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:56:42,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138847192] [2022-12-13 19:56:42,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:56:42,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:56:42,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:56:42,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:56:42,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:56:42,586 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 270 [2022-12-13 19:56:42,586 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 67 transitions, 246 flow. Second operand has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 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 19:56:42,587 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:56:42,587 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 270 [2022-12-13 19:56:42,587 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:56:42,681 INFO L130 PetriNetUnfolder]: 379/909 cut-off events. [2022-12-13 19:56:42,681 INFO L131 PetriNetUnfolder]: For 288/308 co-relation queries the response was YES. [2022-12-13 19:56:42,683 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2077 conditions, 909 events. 379/909 cut-off events. For 288/308 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 4649 event pairs, 128 based on Foata normal form. 11/786 useless extension candidates. Maximal degree in co-relation 2072. Up to 588 conditions per place. [2022-12-13 19:56:42,686 INFO L137 encePairwiseOnDemand]: 260/270 looper letters, 42 selfloop transitions, 16 changer transitions 0/89 dead transitions. [2022-12-13 19:56:42,686 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 89 transitions, 442 flow [2022-12-13 19:56:42,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:56:42,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:56:42,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 428 transitions. [2022-12-13 19:56:42,687 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.528395061728395 [2022-12-13 19:56:42,687 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 428 transitions. [2022-12-13 19:56:42,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 428 transitions. [2022-12-13 19:56:42,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:56:42,688 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 428 transitions. [2022-12-13 19:56:42,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 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 19:56:42,692 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 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 19:56:42,692 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 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 19:56:42,692 INFO L175 Difference]: Start difference. First operand has 54 places, 67 transitions, 246 flow. Second operand 3 states and 428 transitions. [2022-12-13 19:56:42,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 89 transitions, 442 flow [2022-12-13 19:56:42,696 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 89 transitions, 398 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 19:56:42,698 INFO L231 Difference]: Finished difference. Result has 56 places, 81 transitions, 360 flow [2022-12-13 19:56:42,698 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=360, PETRI_PLACES=56, PETRI_TRANSITIONS=81} [2022-12-13 19:56:42,699 INFO L288 CegarLoopForPetriNet]: 52 programPoint places, 4 predicate places. [2022-12-13 19:56:42,699 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 81 transitions, 360 flow [2022-12-13 19:56:42,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 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 19:56:42,700 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:56:42,700 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:56:42,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 19:56:42,700 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2022-12-13 19:56:42,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:56:42,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1772818145, now seen corresponding path program 1 times [2022-12-13 19:56:42,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:56:42,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700560889] [2022-12-13 19:56:42,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:56:42,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:56:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:56:42,817 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 19:56:42,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:56:42,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700560889] [2022-12-13 19:56:42,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700560889] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:56:42,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:56:42,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:56:42,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923466244] [2022-12-13 19:56:42,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:56:42,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:56:42,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:56:42,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:56:42,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:56:42,838 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 270 [2022-12-13 19:56:42,839 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 81 transitions, 360 flow. Second operand has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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 19:56:42,839 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:56:42,839 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 270 [2022-12-13 19:56:42,839 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:56:42,871 INFO L130 PetriNetUnfolder]: 33/138 cut-off events. [2022-12-13 19:56:42,871 INFO L131 PetriNetUnfolder]: For 27/27 co-relation queries the response was YES. [2022-12-13 19:56:42,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 297 conditions, 138 events. 33/138 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 434 event pairs, 3 based on Foata normal form. 10/133 useless extension candidates. Maximal degree in co-relation 291. Up to 54 conditions per place. [2022-12-13 19:56:42,872 INFO L137 encePairwiseOnDemand]: 264/270 looper letters, 15 selfloop transitions, 6 changer transitions 1/47 dead transitions. [2022-12-13 19:56:42,872 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 47 transitions, 200 flow [2022-12-13 19:56:42,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:56:42,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:56:42,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 431 transitions. [2022-12-13 19:56:42,874 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5320987654320988 [2022-12-13 19:56:42,874 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 431 transitions. [2022-12-13 19:56:42,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 431 transitions. [2022-12-13 19:56:42,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:56:42,875 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 431 transitions. [2022-12-13 19:56:42,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 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 19:56:42,878 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 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 19:56:42,879 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 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 19:56:42,879 INFO L175 Difference]: Start difference. First operand has 56 places, 81 transitions, 360 flow. Second operand 3 states and 431 transitions. [2022-12-13 19:56:42,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 47 transitions, 200 flow [2022-12-13 19:56:42,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 47 transitions, 152 flow, removed 20 selfloop flow, removed 4 redundant places. [2022-12-13 19:56:42,880 INFO L231 Difference]: Finished difference. Result has 46 places, 44 transitions, 114 flow [2022-12-13 19:56:42,880 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=114, PETRI_PLACES=46, PETRI_TRANSITIONS=44} [2022-12-13 19:56:42,881 INFO L288 CegarLoopForPetriNet]: 52 programPoint places, -6 predicate places. [2022-12-13 19:56:42,881 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 44 transitions, 114 flow [2022-12-13 19:56:42,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 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 19:56:42,882 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:56:42,882 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:56:42,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 19:56:42,882 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2022-12-13 19:56:42,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:56:42,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1950896553, now seen corresponding path program 1 times [2022-12-13 19:56:42,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:56:42,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445485829] [2022-12-13 19:56:42,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:56:42,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:56:42,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:56:42,941 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 19:56:42,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:56:42,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445485829] [2022-12-13 19:56:42,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445485829] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:56:42,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:56:42,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:56:42,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952715103] [2022-12-13 19:56:42,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:56:42,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:56:42,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:56:42,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:56:42,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:56:42,954 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 270 [2022-12-13 19:56:42,955 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 44 transitions, 114 flow. Second operand has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 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 19:56:42,955 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:56:42,955 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 270 [2022-12-13 19:56:42,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:56:42,989 INFO L130 PetriNetUnfolder]: 27/119 cut-off events. [2022-12-13 19:56:42,989 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-12-13 19:56:42,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 119 events. 27/119 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 249 event pairs, 14 based on Foata normal form. 2/116 useless extension candidates. Maximal degree in co-relation 231. Up to 56 conditions per place. [2022-12-13 19:56:42,990 INFO L137 encePairwiseOnDemand]: 265/270 looper letters, 22 selfloop transitions, 2 changer transitions 7/50 dead transitions. [2022-12-13 19:56:42,990 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 50 transitions, 188 flow [2022-12-13 19:56:42,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:56:42,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:56:42,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 437 transitions. [2022-12-13 19:56:42,992 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5395061728395062 [2022-12-13 19:56:42,992 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 437 transitions. [2022-12-13 19:56:42,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 437 transitions. [2022-12-13 19:56:42,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:56:42,992 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 437 transitions. [2022-12-13 19:56:42,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 145.66666666666666) internal successors, (437), 3 states have internal predecessors, (437), 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 19:56:42,994 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 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 19:56:42,995 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 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 19:56:42,995 INFO L175 Difference]: Start difference. First operand has 46 places, 44 transitions, 114 flow. Second operand 3 states and 437 transitions. [2022-12-13 19:56:42,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 50 transitions, 188 flow [2022-12-13 19:56:42,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 50 transitions, 180 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 19:56:42,996 INFO L231 Difference]: Finished difference. Result has 47 places, 41 transitions, 114 flow [2022-12-13 19:56:42,996 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=114, PETRI_PLACES=47, PETRI_TRANSITIONS=41} [2022-12-13 19:56:42,997 INFO L288 CegarLoopForPetriNet]: 52 programPoint places, -5 predicate places. [2022-12-13 19:56:42,997 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 41 transitions, 114 flow [2022-12-13 19:56:42,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 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 19:56:42,997 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 19:56:42,997 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:56:42,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 19:56:42,998 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2022-12-13 19:56:42,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:56:42,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1350003960, now seen corresponding path program 1 times [2022-12-13 19:56:42,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:56:42,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368702400] [2022-12-13 19:56:42,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:56:42,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:56:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:56:43,038 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 19:56:43,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:56:43,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368702400] [2022-12-13 19:56:43,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368702400] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:56:43,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:56:43,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:56:43,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082067898] [2022-12-13 19:56:43,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:56:43,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:56:43,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:56:43,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:56:43,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:56:43,068 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 270 [2022-12-13 19:56:43,069 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 41 transitions, 114 flow. Second operand has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 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 19:56:43,069 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 19:56:43,069 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 270 [2022-12-13 19:56:43,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 19:56:43,097 INFO L130 PetriNetUnfolder]: 27/116 cut-off events. [2022-12-13 19:56:43,098 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2022-12-13 19:56:43,098 INFO L83 FinitePrefix]: Finished finitePrefix Result has 240 conditions, 116 events. 27/116 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 224 event pairs, 15 based on Foata normal form. 0/114 useless extension candidates. Maximal degree in co-relation 233. Up to 80 conditions per place. [2022-12-13 19:56:43,098 INFO L137 encePairwiseOnDemand]: 267/270 looper letters, 0 selfloop transitions, 0 changer transitions 41/41 dead transitions. [2022-12-13 19:56:43,098 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 41 transitions, 168 flow [2022-12-13 19:56:43,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:56:43,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 19:56:43,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 409 transitions. [2022-12-13 19:56:43,099 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5049382716049383 [2022-12-13 19:56:43,099 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 409 transitions. [2022-12-13 19:56:43,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 409 transitions. [2022-12-13 19:56:43,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:56:43,100 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 409 transitions. [2022-12-13 19:56:43,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 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 19:56:43,101 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 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 19:56:43,102 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 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 19:56:43,102 INFO L175 Difference]: Start difference. First operand has 47 places, 41 transitions, 114 flow. Second operand 3 states and 409 transitions. [2022-12-13 19:56:43,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 41 transitions, 168 flow [2022-12-13 19:56:43,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 41 transitions, 166 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 19:56:43,102 INFO L231 Difference]: Finished difference. Result has 44 places, 0 transitions, 0 flow [2022-12-13 19:56:43,103 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=270, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=44, PETRI_TRANSITIONS=0} [2022-12-13 19:56:43,103 INFO L288 CegarLoopForPetriNet]: 52 programPoint places, -8 predicate places. [2022-12-13 19:56:43,103 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 0 transitions, 0 flow [2022-12-13 19:56:43,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 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 19:56:43,106 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (16 of 17 remaining) [2022-12-13 19:56:43,106 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (15 of 17 remaining) [2022-12-13 19:56:43,106 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (14 of 17 remaining) [2022-12-13 19:56:43,106 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (13 of 17 remaining) [2022-12-13 19:56:43,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 17 remaining) [2022-12-13 19:56:43,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONDATA_RACE (11 of 17 remaining) [2022-12-13 19:56:43,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr2ASSERT_VIOLATIONDATA_RACE (10 of 17 remaining) [2022-12-13 19:56:43,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONDATA_RACE (9 of 17 remaining) [2022-12-13 19:56:43,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr3ASSERT_VIOLATIONDATA_RACE (8 of 17 remaining) [2022-12-13 19:56:43,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr4ASSERT_VIOLATIONDATA_RACE (7 of 17 remaining) [2022-12-13 19:56:43,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr5ASSERT_VIOLATIONDATA_RACE (6 of 17 remaining) [2022-12-13 19:56:43,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONDATA_RACE (5 of 17 remaining) [2022-12-13 19:56:43,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr2ASSERT_VIOLATIONDATA_RACE (4 of 17 remaining) [2022-12-13 19:56:43,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONDATA_RACE (3 of 17 remaining) [2022-12-13 19:56:43,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr3ASSERT_VIOLATIONDATA_RACE (2 of 17 remaining) [2022-12-13 19:56:43,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr4ASSERT_VIOLATIONDATA_RACE (1 of 17 remaining) [2022-12-13 19:56:43,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr5ASSERT_VIOLATIONDATA_RACE (0 of 17 remaining) [2022-12-13 19:56:43,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 19:56:43,109 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-12-13 19:56:43,114 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 19:56:43,114 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 19:56:43,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 07:56:43 BasicIcfg [2022-12-13 19:56:43,118 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 19:56:43,118 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:56:43,118 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:56:43,118 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:56:43,119 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:56:39" (3/4) ... [2022-12-13 19:56:43,121 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 19:56:43,126 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure worker [2022-12-13 19:56:43,129 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-12-13 19:56:43,129 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-13 19:56:43,129 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 19:56:43,129 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 19:56:43,158 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb256bc8-95b8-4d7f-b18d-d4e4338dc8a6/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 19:56:43,158 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:56:43,159 INFO L158 Benchmark]: Toolchain (without parser) took 4161.34ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 89.3MB in the beginning and 85.6MB in the end (delta: 3.8MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2022-12-13 19:56:43,159 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 130.0MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:56:43,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.58ms. Allocated memory is still 130.0MB. Free memory was 88.9MB in the beginning and 69.6MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 19:56:43,159 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.91ms. Allocated memory is still 130.0MB. Free memory was 69.6MB in the beginning and 67.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:56:43,160 INFO L158 Benchmark]: Boogie Preprocessor took 23.50ms. Allocated memory is still 130.0MB. Free memory was 67.5MB in the beginning and 65.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:56:43,160 INFO L158 Benchmark]: RCFGBuilder took 348.12ms. Allocated memory is still 130.0MB. Free memory was 65.8MB in the beginning and 50.3MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 19:56:43,160 INFO L158 Benchmark]: TraceAbstraction took 3416.38ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 49.5MB in the beginning and 88.7MB in the end (delta: -39.2MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2022-12-13 19:56:43,161 INFO L158 Benchmark]: Witness Printer took 39.83ms. Allocated memory is still 172.0MB. Free memory was 88.7MB in the beginning and 85.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:56:43,162 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 130.0MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.58ms. Allocated memory is still 130.0MB. Free memory was 88.9MB in the beginning and 69.6MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.91ms. Allocated memory is still 130.0MB. Free memory was 69.6MB in the beginning and 67.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.50ms. Allocated memory is still 130.0MB. Free memory was 67.5MB in the beginning and 65.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 348.12ms. Allocated memory is still 130.0MB. Free memory was 65.8MB in the beginning and 50.3MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3416.38ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 49.5MB in the beginning and 88.7MB in the end (delta: -39.2MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Witness Printer took 39.83ms. Allocated memory is still 172.0MB. Free memory was 88.7MB in the beginning and 85.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.1s, 145 PlacesBefore, 52 PlacesAfterwards, 151 TransitionsBefore, 55 TransitionsAfterwards, 5544 CoEnabledTransitionPairs, 7 FixpointIterations, 43 TrivialSequentialCompositions, 52 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 20 ConcurrentYvCompositions, 3 ChoiceCompositions, 118 TotalNumberOfCompositions, 21206 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8691, independent: 8069, independent conditional: 0, independent unconditional: 8069, dependent: 622, dependent conditional: 0, dependent unconditional: 622, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2891, independent: 2802, independent conditional: 0, independent unconditional: 2802, dependent: 89, dependent conditional: 0, dependent unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8691, independent: 5267, independent conditional: 0, independent unconditional: 5267, dependent: 533, dependent conditional: 0, dependent unconditional: 533, unknown: 2891, unknown conditional: 0, unknown unconditional: 2891] , Statistics on independence cache: Total cache size (in pairs): 401, Positive cache size: 349, Positive conditional cache size: 0, Positive unconditional cache size: 349, Negative cache size: 52, Negative conditional cache size: 0, Negative unconditional cache size: 52, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 703]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 204 locations, 17 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.3s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 259 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 115 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 52 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 376 IncrementalHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52 mSolverCounterUnsat, 32 mSDtfsCounter, 376 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=360occurred in iteration=3, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 110 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 19:56:43,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb256bc8-95b8-4d7f-b18d-d4e4338dc8a6/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