./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_44-traces-mine2_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4e7fbc69 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_02196716-f311-43ac-ad6d-10f3eb7dc5a5/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02196716-f311-43ac-ad6d-10f3eb7dc5a5/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02196716-f311-43ac-ad6d-10f3eb7dc5a5/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02196716-f311-43ac-ad6d-10f3eb7dc5a5/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_44-traces-mine2_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02196716-f311-43ac-ad6d-10f3eb7dc5a5/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02196716-f311-43ac-ad6d-10f3eb7dc5a5/bin/uautomizer-QkZJyEgLgS --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 abd7c6a811fa727af1a8295486441ec66634091da13d54772e1efa33885ef21c --- 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-4e7fbc6 [2022-11-23 02:29:27,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:29:27,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:29:27,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:29:27,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:29:27,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:29:27,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:29:27,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:29:27,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:29:27,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:29:27,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:29:27,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:29:27,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:29:27,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:29:27,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:29:27,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:29:27,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:29:27,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:29:27,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:29:27,807 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:29:27,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:29:27,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:29:27,815 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:29:27,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:29:27,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:29:27,827 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:29:27,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:29:27,829 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:29:27,830 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:29:27,831 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:29:27,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:29:27,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:29:27,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:29:27,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:29:27,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:29:27,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:29:27,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:29:27,841 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:29:27,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:29:27,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:29:27,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:29:27,844 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02196716-f311-43ac-ad6d-10f3eb7dc5a5/bin/uautomizer-QkZJyEgLgS/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-23 02:29:27,878 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:29:27,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:29:27,888 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:29:27,888 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:29:27,889 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 02:29:27,889 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 02:29:27,890 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:29:27,890 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:29:27,890 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:29:27,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:29:27,891 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 02:29:27,892 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 02:29:27,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 02:29:27,892 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 02:29:27,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:29:27,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 02:29:27,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 02:29:27,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 02:29:27,893 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-23 02:29:27,893 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 02:29:27,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 02:29:27,894 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:29:27,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 02:29:27,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:29:27,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:29:27,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 02:29:27,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:29:27,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:29:27,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 02:29:27,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 02:29:27,896 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 02:29:27,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 02:29:27,898 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 02:29:27,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 02:29:27,898 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 02:29:27,899 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 02:29:27,899 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_02196716-f311-43ac-ad6d-10f3eb7dc5a5/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02196716-f311-43ac-ad6d-10f3eb7dc5a5/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abd7c6a811fa727af1a8295486441ec66634091da13d54772e1efa33885ef21c [2022-11-23 02:29:28,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:29:28,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:29:28,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:29:28,207 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:29:28,207 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:29:28,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02196716-f311-43ac-ad6d-10f3eb7dc5a5/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/goblint-regression/13-privatized_44-traces-mine2_true.i [2022-11-23 02:29:31,226 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:29:31,543 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:29:31,543 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02196716-f311-43ac-ad6d-10f3eb7dc5a5/sv-benchmarks/c/goblint-regression/13-privatized_44-traces-mine2_true.i [2022-11-23 02:29:31,572 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02196716-f311-43ac-ad6d-10f3eb7dc5a5/bin/uautomizer-QkZJyEgLgS/data/684c17a73/23794ab1a140483b935c71b32be556fd/FLAG49ab8dde6 [2022-11-23 02:29:31,596 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02196716-f311-43ac-ad6d-10f3eb7dc5a5/bin/uautomizer-QkZJyEgLgS/data/684c17a73/23794ab1a140483b935c71b32be556fd [2022-11-23 02:29:31,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:29:31,603 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:29:31,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:29:31,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:29:31,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:29:31,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:29:31" (1/1) ... [2022-11-23 02:29:31,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4222cbd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:31, skipping insertion in model container [2022-11-23 02:29:31,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:29:31" (1/1) ... [2022-11-23 02:29:31,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:29:31,693 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:29:31,936 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_02196716-f311-43ac-ad6d-10f3eb7dc5a5/sv-benchmarks/c/goblint-regression/13-privatized_44-traces-mine2_true.i[1089,1102] [2022-11-23 02:29:32,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:29:32,115 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:29:32,134 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_02196716-f311-43ac-ad6d-10f3eb7dc5a5/sv-benchmarks/c/goblint-regression/13-privatized_44-traces-mine2_true.i[1089,1102] [2022-11-23 02:29:32,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:29:32,240 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:29:32,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:32 WrapperNode [2022-11-23 02:29:32,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:29:32,243 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:29:32,243 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:29:32,243 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:29:32,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:32" (1/1) ... [2022-11-23 02:29:32,282 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:32" (1/1) ... [2022-11-23 02:29:32,308 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2022-11-23 02:29:32,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:29:32,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:29:32,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:29:32,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:29:32,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:32" (1/1) ... [2022-11-23 02:29:32,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:32" (1/1) ... [2022-11-23 02:29:32,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:32" (1/1) ... [2022-11-23 02:29:32,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:32" (1/1) ... [2022-11-23 02:29:32,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:32" (1/1) ... [2022-11-23 02:29:32,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:32" (1/1) ... [2022-11-23 02:29:32,332 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:32" (1/1) ... [2022-11-23 02:29:32,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:32" (1/1) ... [2022-11-23 02:29:32,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:29:32,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:29:32,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:29:32,338 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:29:32,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:32" (1/1) ... [2022-11-23 02:29:32,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:29:32,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02196716-f311-43ac-ad6d-10f3eb7dc5a5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:29:32,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02196716-f311-43ac-ad6d-10f3eb7dc5a5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 02:29:32,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02196716-f311-43ac-ad6d-10f3eb7dc5a5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 02:29:32,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 02:29:32,446 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-23 02:29:32,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 02:29:32,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 02:29:32,446 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-23 02:29:32,447 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-23 02:29:32,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 02:29:32,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 02:29:32,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:29:32,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:29:32,449 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-23 02:29:32,595 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:29:32,598 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:29:32,868 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:29:32,876 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:29:32,876 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 02:29:32,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:29:32 BoogieIcfgContainer [2022-11-23 02:29:32,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:29:32,882 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 02:29:32,882 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 02:29:32,886 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 02:29:32,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:29:31" (1/3) ... [2022-11-23 02:29:32,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a67573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:29:32, skipping insertion in model container [2022-11-23 02:29:32,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:29:32" (2/3) ... [2022-11-23 02:29:32,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a67573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:29:32, skipping insertion in model container [2022-11-23 02:29:32,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:29:32" (3/3) ... [2022-11-23 02:29:32,890 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_44-traces-mine2_true.i [2022-11-23 02:29:32,900 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-23 02:29:32,913 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 02:29:32,913 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-11-23 02:29:32,913 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-23 02:29:33,009 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-23 02:29:33,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 98 places, 96 transitions, 197 flow [2022-11-23 02:29:33,142 INFO L130 PetriNetUnfolder]: 2/95 cut-off events. [2022-11-23 02:29:33,142 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 02:29:33,149 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2022-11-23 02:29:33,150 INFO L82 GeneralOperation]: Start removeDead. Operand has 98 places, 96 transitions, 197 flow [2022-11-23 02:29:33,156 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 97 places, 95 transitions, 193 flow [2022-11-23 02:29:33,160 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-23 02:29:33,176 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 97 places, 95 transitions, 193 flow [2022-11-23 02:29:33,180 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 97 places, 95 transitions, 193 flow [2022-11-23 02:29:33,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 97 places, 95 transitions, 193 flow [2022-11-23 02:29:33,210 INFO L130 PetriNetUnfolder]: 2/95 cut-off events. [2022-11-23 02:29:33,210 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 02:29:33,211 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2022-11-23 02:29:33,213 INFO L119 LiptonReduction]: Number of co-enabled transitions 1944 [2022-11-23 02:29:36,641 INFO L134 LiptonReduction]: Checked pairs total: 5344 [2022-11-23 02:29:36,641 INFO L136 LiptonReduction]: Total number of compositions: 83 [2022-11-23 02:29:36,657 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 02:29:36,664 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;@3b1c2a20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 02:29:36,664 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-11-23 02:29:36,668 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2022-11-23 02:29:36,668 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 02:29:36,668 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 02:29:36,669 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-11-23 02:29:36,670 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 02:29:36,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:29:36,675 INFO L85 PathProgramCache]: Analyzing trace with hash 10419308, now seen corresponding path program 1 times [2022-11-23 02:29:36,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:29:36,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116395938] [2022-11-23 02:29:36,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:29:36,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:29:36,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:36,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:29:36,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:29:36,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116395938] [2022-11-23 02:29:36,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116395938] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:29:36,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:29:36,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 02:29:36,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207751278] [2022-11-23 02:29:36,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:29:36,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:29:36,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:29:36,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:29:36,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:29:37,016 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 179 [2022-11-23 02:29:37,020 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 25 transitions, 53 flow. Second operand has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:29:37,020 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 02:29:37,020 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 179 [2022-11-23 02:29:37,021 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 02:29:37,152 INFO L130 PetriNetUnfolder]: 66/177 cut-off events. [2022-11-23 02:29:37,158 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-23 02:29:37,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 333 conditions, 177 events. 66/177 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 685 event pairs, 53 based on Foata normal form. 11/173 useless extension candidates. Maximal degree in co-relation 324. Up to 139 conditions per place. [2022-11-23 02:29:37,163 INFO L137 encePairwiseOnDemand]: 172/179 looper letters, 22 selfloop transitions, 4 changer transitions 0/31 dead transitions. [2022-11-23 02:29:37,164 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 31 transitions, 117 flow [2022-11-23 02:29:37,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:29:37,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-23 02:29:37,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 277 transitions. [2022-11-23 02:29:37,189 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.515828677839851 [2022-11-23 02:29:37,190 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 277 transitions. [2022-11-23 02:29:37,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 277 transitions. [2022-11-23 02:29:37,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:29:37,198 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 277 transitions. [2022-11-23 02:29:37,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:29:37,212 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:29:37,213 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:29:37,215 INFO L175 Difference]: Start difference. First operand has 27 places, 25 transitions, 53 flow. Second operand 3 states and 277 transitions. [2022-11-23 02:29:37,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 31 transitions, 117 flow [2022-11-23 02:29:37,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 31 transitions, 116 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-23 02:29:37,223 INFO L231 Difference]: Finished difference. Result has 29 places, 26 transitions, 74 flow [2022-11-23 02:29:37,225 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=74, PETRI_PLACES=29, PETRI_TRANSITIONS=26} [2022-11-23 02:29:37,230 INFO L288 CegarLoopForPetriNet]: 27 programPoint places, 2 predicate places. [2022-11-23 02:29:37,230 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 26 transitions, 74 flow [2022-11-23 02:29:37,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:29:37,231 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 02:29:37,231 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-11-23 02:29:37,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 02:29:37,232 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 02:29:37,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:29:37,235 INFO L85 PathProgramCache]: Analyzing trace with hash 322970971, now seen corresponding path program 1 times [2022-11-23 02:29:37,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:29:37,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437408639] [2022-11-23 02:29:37,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:29:37,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:29:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:37,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:29:37,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:29:37,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437408639] [2022-11-23 02:29:37,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437408639] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:29:37,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:29:37,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 02:29:37,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767768270] [2022-11-23 02:29:37,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:29:37,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:29:37,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:29:37,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:29:37,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:29:37,417 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 179 [2022-11-23 02:29:37,418 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 26 transitions, 74 flow. Second operand has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:29:37,418 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 02:29:37,418 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 179 [2022-11-23 02:29:37,419 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 02:29:37,579 INFO L130 PetriNetUnfolder]: 124/303 cut-off events. [2022-11-23 02:29:37,579 INFO L131 PetriNetUnfolder]: For 46/50 co-relation queries the response was YES. [2022-11-23 02:29:37,584 INFO L83 FinitePrefix]: Finished finitePrefix Result has 673 conditions, 303 events. 124/303 cut-off events. For 46/50 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1368 event pairs, 19 based on Foata normal form. 0/286 useless extension candidates. Maximal degree in co-relation 663. Up to 152 conditions per place. [2022-11-23 02:29:37,587 INFO L137 encePairwiseOnDemand]: 170/179 looper letters, 27 selfloop transitions, 9 changer transitions 2/41 dead transitions. [2022-11-23 02:29:37,588 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 41 transitions, 191 flow [2022-11-23 02:29:37,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:29:37,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-23 02:29:37,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 282 transitions. [2022-11-23 02:29:37,591 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5251396648044693 [2022-11-23 02:29:37,591 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 282 transitions. [2022-11-23 02:29:37,591 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 282 transitions. [2022-11-23 02:29:37,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:29:37,592 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 282 transitions. [2022-11-23 02:29:37,593 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 94.0) internal successors, (282), 3 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:29:37,597 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:29:37,597 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:29:37,598 INFO L175 Difference]: Start difference. First operand has 29 places, 26 transitions, 74 flow. Second operand 3 states and 282 transitions. [2022-11-23 02:29:37,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 41 transitions, 191 flow [2022-11-23 02:29:37,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 41 transitions, 184 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-23 02:29:37,601 INFO L231 Difference]: Finished difference. Result has 32 places, 33 transitions, 144 flow [2022-11-23 02:29:37,601 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=144, PETRI_PLACES=32, PETRI_TRANSITIONS=33} [2022-11-23 02:29:37,602 INFO L288 CegarLoopForPetriNet]: 27 programPoint places, 5 predicate places. [2022-11-23 02:29:37,602 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 33 transitions, 144 flow [2022-11-23 02:29:37,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:29:37,603 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 02:29:37,603 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-23 02:29:37,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 02:29:37,603 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 02:29:37,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:29:37,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1423095438, now seen corresponding path program 1 times [2022-11-23 02:29:37,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:29:37,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233072266] [2022-11-23 02:29:37,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:29:37,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:29:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:37,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:29:37,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:29:37,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233072266] [2022-11-23 02:29:37,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233072266] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:29:37,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:29:37,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 02:29:37,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841589700] [2022-11-23 02:29:37,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:29:37,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:29:37,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:29:37,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:29:37,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:29:37,775 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 179 [2022-11-23 02:29:37,776 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 33 transitions, 144 flow. Second operand has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:29:37,776 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 02:29:37,777 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 179 [2022-11-23 02:29:37,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 02:29:37,839 INFO L130 PetriNetUnfolder]: 26/108 cut-off events. [2022-11-23 02:29:37,839 INFO L131 PetriNetUnfolder]: For 88/90 co-relation queries the response was YES. [2022-11-23 02:29:37,840 INFO L83 FinitePrefix]: Finished finitePrefix Result has 277 conditions, 108 events. 26/108 cut-off events. For 88/90 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 415 event pairs, 3 based on Foata normal form. 13/120 useless extension candidates. Maximal degree in co-relation 266. Up to 59 conditions per place. [2022-11-23 02:29:37,840 INFO L137 encePairwiseOnDemand]: 175/179 looper letters, 14 selfloop transitions, 4 changer transitions 10/36 dead transitions. [2022-11-23 02:29:37,841 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 36 transitions, 198 flow [2022-11-23 02:29:37,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:29:37,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-23 02:29:37,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 284 transitions. [2022-11-23 02:29:37,843 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5288640595903166 [2022-11-23 02:29:37,843 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 284 transitions. [2022-11-23 02:29:37,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 284 transitions. [2022-11-23 02:29:37,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:29:37,844 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 284 transitions. [2022-11-23 02:29:37,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:29:37,846 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:29:37,847 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:29:37,847 INFO L175 Difference]: Start difference. First operand has 32 places, 33 transitions, 144 flow. Second operand 3 states and 284 transitions. [2022-11-23 02:29:37,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 36 transitions, 198 flow [2022-11-23 02:29:37,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 36 transitions, 166 flow, removed 7 selfloop flow, removed 3 redundant places. [2022-11-23 02:29:37,851 INFO L231 Difference]: Finished difference. Result has 30 places, 26 transitions, 88 flow [2022-11-23 02:29:37,851 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=30, PETRI_TRANSITIONS=26} [2022-11-23 02:29:37,852 INFO L288 CegarLoopForPetriNet]: 27 programPoint places, 3 predicate places. [2022-11-23 02:29:37,852 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 26 transitions, 88 flow [2022-11-23 02:29:37,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:29:37,853 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 02:29:37,853 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-23 02:29:37,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 02:29:37,853 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 02:29:37,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:29:37,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1423095446, now seen corresponding path program 1 times [2022-11-23 02:29:37,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:29:37,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644264099] [2022-11-23 02:29:37,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:29:37,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:29:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:37,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:29:37,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:29:37,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644264099] [2022-11-23 02:29:37,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644264099] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:29:37,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:29:37,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 02:29:37,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678782391] [2022-11-23 02:29:37,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:29:37,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:29:37,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:29:37,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:29:37,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:29:37,927 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 179 [2022-11-23 02:29:37,927 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 26 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:29:37,927 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 02:29:37,928 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 179 [2022-11-23 02:29:37,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 02:29:37,977 INFO L130 PetriNetUnfolder]: 30/108 cut-off events. [2022-11-23 02:29:37,977 INFO L131 PetriNetUnfolder]: For 21/22 co-relation queries the response was YES. [2022-11-23 02:29:37,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 267 conditions, 108 events. 30/108 cut-off events. For 21/22 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 371 event pairs, 23 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 256. Up to 94 conditions per place. [2022-11-23 02:29:37,979 INFO L137 encePairwiseOnDemand]: 176/179 looper letters, 18 selfloop transitions, 2 changer transitions 0/25 dead transitions. [2022-11-23 02:29:37,979 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 25 transitions, 126 flow [2022-11-23 02:29:37,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:29:37,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-23 02:29:37,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 264 transitions. [2022-11-23 02:29:37,989 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.49162011173184356 [2022-11-23 02:29:37,989 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 264 transitions. [2022-11-23 02:29:37,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 264 transitions. [2022-11-23 02:29:37,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:29:37,989 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 264 transitions. [2022-11-23 02:29:37,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:29:37,996 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:29:37,997 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:29:37,997 INFO L175 Difference]: Start difference. First operand has 30 places, 26 transitions, 88 flow. Second operand 3 states and 264 transitions. [2022-11-23 02:29:37,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 25 transitions, 126 flow [2022-11-23 02:29:38,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 25 transitions, 124 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-23 02:29:38,002 INFO L231 Difference]: Finished difference. Result has 30 places, 25 transitions, 88 flow [2022-11-23 02:29:38,002 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=30, PETRI_TRANSITIONS=25} [2022-11-23 02:29:38,004 INFO L288 CegarLoopForPetriNet]: 27 programPoint places, 3 predicate places. [2022-11-23 02:29:38,004 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 25 transitions, 88 flow [2022-11-23 02:29:38,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:29:38,005 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 02:29:38,005 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:29:38,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 02:29:38,005 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 02:29:38,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:29:38,006 INFO L85 PathProgramCache]: Analyzing trace with hash -184881752, now seen corresponding path program 1 times [2022-11-23 02:29:38,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:29:38,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949088220] [2022-11-23 02:29:38,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:29:38,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:29:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:38,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:29:38,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:29:38,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949088220] [2022-11-23 02:29:38,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949088220] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:29:38,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:29:38,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 02:29:38,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420505891] [2022-11-23 02:29:38,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:29:38,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:29:38,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:29:38,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:29:38,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:29:38,099 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 179 [2022-11-23 02:29:38,099 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 25 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:29:38,100 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 02:29:38,100 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 179 [2022-11-23 02:29:38,100 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 02:29:38,178 INFO L130 PetriNetUnfolder]: 40/122 cut-off events. [2022-11-23 02:29:38,178 INFO L131 PetriNetUnfolder]: For 25/26 co-relation queries the response was YES. [2022-11-23 02:29:38,179 INFO L83 FinitePrefix]: Finished finitePrefix Result has 307 conditions, 122 events. 40/122 cut-off events. For 25/26 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 419 event pairs, 17 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 296. Up to 99 conditions per place. [2022-11-23 02:29:38,179 INFO L137 encePairwiseOnDemand]: 174/179 looper letters, 20 selfloop transitions, 6 changer transitions 5/34 dead transitions. [2022-11-23 02:29:38,180 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 34 transitions, 176 flow [2022-11-23 02:29:38,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:29:38,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-23 02:29:38,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 273 transitions. [2022-11-23 02:29:38,182 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5083798882681564 [2022-11-23 02:29:38,182 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 273 transitions. [2022-11-23 02:29:38,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 273 transitions. [2022-11-23 02:29:38,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:29:38,182 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 273 transitions. [2022-11-23 02:29:38,183 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:29:38,185 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:29:38,185 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:29:38,186 INFO L175 Difference]: Start difference. First operand has 30 places, 25 transitions, 88 flow. Second operand 3 states and 273 transitions. [2022-11-23 02:29:38,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 34 transitions, 176 flow [2022-11-23 02:29:38,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 34 transitions, 172 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-23 02:29:38,190 INFO L231 Difference]: Finished difference. Result has 31 places, 26 transitions, 112 flow [2022-11-23 02:29:38,191 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=112, PETRI_PLACES=31, PETRI_TRANSITIONS=26} [2022-11-23 02:29:38,194 INFO L288 CegarLoopForPetriNet]: 27 programPoint places, 4 predicate places. [2022-11-23 02:29:38,194 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 26 transitions, 112 flow [2022-11-23 02:29:38,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:29:38,195 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-23 02:29:38,195 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:29:38,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 02:29:38,196 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-11-23 02:29:38,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:29:38,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1576009040, now seen corresponding path program 1 times [2022-11-23 02:29:38,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:29:38,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620680706] [2022-11-23 02:29:38,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:29:38,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:29:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:29:38,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:29:38,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:29:38,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620680706] [2022-11-23 02:29:38,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620680706] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:29:38,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:29:38,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 02:29:38,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091059890] [2022-11-23 02:29:38,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:29:38,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 02:29:38,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:29:38,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 02:29:38,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 02:29:38,492 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 179 [2022-11-23 02:29:38,493 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 26 transitions, 112 flow. Second operand has 5 states, 5 states have (on average 86.8) internal successors, (434), 5 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:29:38,493 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-23 02:29:38,493 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 179 [2022-11-23 02:29:38,493 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-23 02:29:38,530 INFO L130 PetriNetUnfolder]: 0/17 cut-off events. [2022-11-23 02:29:38,530 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-11-23 02:29:38,530 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54 conditions, 17 events. 0/17 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 14 event pairs, 0 based on Foata normal form. 2/19 useless extension candidates. Maximal degree in co-relation 0. Up to 13 conditions per place. [2022-11-23 02:29:38,531 INFO L137 encePairwiseOnDemand]: 176/179 looper letters, 0 selfloop transitions, 0 changer transitions 17/17 dead transitions. [2022-11-23 02:29:38,531 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 17 transitions, 94 flow [2022-11-23 02:29:38,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 02:29:38,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-11-23 02:29:38,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 356 transitions. [2022-11-23 02:29:38,533 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4972067039106145 [2022-11-23 02:29:38,533 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 356 transitions. [2022-11-23 02:29:38,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 356 transitions. [2022-11-23 02:29:38,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 02:29:38,533 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 356 transitions. [2022-11-23 02:29:38,535 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 89.0) internal successors, (356), 4 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:29:38,536 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 179.0) internal successors, (895), 5 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:29:38,538 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 179.0) internal successors, (895), 5 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:29:38,538 INFO L175 Difference]: Start difference. First operand has 31 places, 26 transitions, 112 flow. Second operand 4 states and 356 transitions. [2022-11-23 02:29:38,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 17 transitions, 94 flow [2022-11-23 02:29:38,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 17 transitions, 72 flow, removed 6 selfloop flow, removed 5 redundant places. [2022-11-23 02:29:38,539 INFO L231 Difference]: Finished difference. Result has 25 places, 0 transitions, 0 flow [2022-11-23 02:29:38,539 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=25, PETRI_TRANSITIONS=0} [2022-11-23 02:29:38,542 INFO L288 CegarLoopForPetriNet]: 27 programPoint places, -2 predicate places. [2022-11-23 02:29:38,543 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 0 transitions, 0 flow [2022-11-23 02:29:38,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 86.8) internal successors, (434), 5 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 02:29:38,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2022-11-23 02:29:38,551 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2022-11-23 02:29:38,551 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 9 remaining) [2022-11-23 02:29:38,552 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2022-11-23 02:29:38,552 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 9 remaining) [2022-11-23 02:29:38,552 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2022-11-23 02:29:38,553 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2022-11-23 02:29:38,553 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2022-11-23 02:29:38,553 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2022-11-23 02:29:38,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 02:29:38,554 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-23 02:29:38,559 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-23 02:29:38,559 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 02:29:38,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:29:38 BasicIcfg [2022-11-23 02:29:38,567 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 02:29:38,568 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 02:29:38,568 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 02:29:38,568 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 02:29:38,569 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:29:32" (3/4) ... [2022-11-23 02:29:38,572 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 02:29:38,579 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-23 02:29:38,586 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-23 02:29:38,586 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-23 02:29:38,586 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 02:29:38,586 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 02:29:38,637 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02196716-f311-43ac-ad6d-10f3eb7dc5a5/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 02:29:38,637 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 02:29:38,637 INFO L158 Benchmark]: Toolchain (without parser) took 7034.11ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 127.4MB in the beginning and 90.0MB in the end (delta: 37.5MB). Peak memory consumption was 90.9MB. Max. memory is 16.1GB. [2022-11-23 02:29:38,638 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory was 56.6MB in the beginning and 56.5MB in the end (delta: 128.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:29:38,638 INFO L158 Benchmark]: CACSL2BoogieTranslator took 632.72ms. Allocated memory is still 159.4MB. Free memory was 127.0MB in the beginning and 108.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-23 02:29:38,638 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.34ms. Allocated memory is still 159.4MB. Free memory was 107.6MB in the beginning and 106.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:29:38,639 INFO L158 Benchmark]: Boogie Preprocessor took 27.04ms. Allocated memory is still 159.4MB. Free memory was 106.0MB in the beginning and 104.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:29:38,639 INFO L158 Benchmark]: RCFGBuilder took 541.39ms. Allocated memory is still 159.4MB. Free memory was 104.5MB in the beginning and 90.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 02:29:38,639 INFO L158 Benchmark]: TraceAbstraction took 5685.70ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 90.4MB in the beginning and 93.1MB in the end (delta: -2.7MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2022-11-23 02:29:38,640 INFO L158 Benchmark]: Witness Printer took 68.98ms. Allocated memory is still 209.7MB. Free memory was 93.1MB in the beginning and 90.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 02:29:38,642 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory was 56.6MB in the beginning and 56.5MB in the end (delta: 128.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 632.72ms. Allocated memory is still 159.4MB. Free memory was 127.0MB in the beginning and 108.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.34ms. Allocated memory is still 159.4MB. Free memory was 107.6MB in the beginning and 106.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.04ms. Allocated memory is still 159.4MB. Free memory was 106.0MB in the beginning and 104.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 541.39ms. Allocated memory is still 159.4MB. Free memory was 104.5MB in the beginning and 90.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5685.70ms. Allocated memory was 159.4MB in the beginning and 209.7MB in the end (delta: 50.3MB). Free memory was 90.4MB in the beginning and 93.1MB in the end (delta: -2.7MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. * Witness Printer took 68.98ms. Allocated memory is still 209.7MB. Free memory was 93.1MB in the beginning and 90.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.5s, 97 PlacesBefore, 27 PlacesAfterwards, 95 TransitionsBefore, 25 TransitionsAfterwards, 1944 CoEnabledTransitionPairs, 7 FixpointIterations, 30 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 0 ChoiceCompositions, 83 TotalNumberOfCompositions, 5344 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2716, independent: 2452, independent conditional: 0, independent unconditional: 2452, dependent: 264, dependent conditional: 0, dependent unconditional: 264, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1444, independent: 1367, independent conditional: 0, independent unconditional: 1367, dependent: 77, dependent conditional: 0, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1444, independent: 1311, independent conditional: 0, independent unconditional: 1311, dependent: 133, dependent conditional: 0, dependent unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 133, independent: 56, independent conditional: 0, independent unconditional: 56, dependent: 77, dependent conditional: 0, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 257, independent: 77, independent conditional: 0, independent unconditional: 77, dependent: 179, dependent conditional: 0, dependent unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2716, independent: 1085, independent conditional: 0, independent unconditional: 1085, dependent: 187, dependent conditional: 0, dependent unconditional: 187, unknown: 1444, unknown conditional: 0, unknown unconditional: 1444] , Statistics on independence cache: Total cache size (in pairs): 150, Positive cache size: 122, Positive conditional cache size: 0, Positive unconditional cache size: 122, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 686]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: 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, 124 locations, 9 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: 5.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 274 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 111 mSDsluCounter, 62 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 392 IncrementalHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 62 mSDtfsCounter, 392 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=144occurred in iteration=2, InterpolantAutomatonStates: 19, 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, 0.5s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 105 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-23 02:29:38,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02196716-f311-43ac-ad6d-10f3eb7dc5a5/bin/uautomizer-QkZJyEgLgS/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