./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b 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_6b743db7-ebc7-45a1-9b64-6cb8b6fe71ea/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b743db7-ebc7-45a1-9b64-6cb8b6fe71ea/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b743db7-ebc7-45a1-9b64-6cb8b6fe71ea/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b743db7-ebc7-45a1-9b64-6cb8b6fe71ea/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b743db7-ebc7-45a1-9b64-6cb8b6fe71ea/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b743db7-ebc7-45a1-9b64-6cb8b6fe71ea/bin/uautomizer-TMbwUNV5ro --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 81147b3e42a82bd92b2fd1c17836bc41bf8598e66ad2317620561a8ac507fa9a --- 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-8393723 [2022-11-18 20:44:07,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:44:07,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:44:07,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:44:07,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:44:07,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:44:07,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:44:07,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:44:07,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:44:07,658 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:44:07,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:44:07,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:44:07,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:44:07,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:44:07,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:44:07,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:44:07,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:44:07,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:44:07,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:44:07,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:44:07,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:44:07,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:44:07,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:44:07,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:44:07,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:44:07,695 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:44:07,695 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:44:07,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:44:07,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:44:07,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:44:07,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:44:07,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:44:07,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:44:07,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:44:07,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:44:07,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:44:07,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:44:07,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:44:07,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:44:07,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:44:07,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:44:07,706 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b743db7-ebc7-45a1-9b64-6cb8b6fe71ea/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 20:44:07,754 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:44:07,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:44:07,755 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:44:07,755 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:44:07,756 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:44:07,756 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:44:07,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:44:07,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:44:07,758 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:44:07,758 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:44:07,759 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:44:07,759 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:44:07,760 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:44:07,760 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:44:07,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:44:07,760 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:44:07,761 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:44:07,761 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:44:07,761 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 20:44:07,761 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:44:07,761 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:44:07,762 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:44:07,762 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:44:07,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:44:07,762 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:44:07,763 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:44:07,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:44:07,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:44:07,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:44:07,765 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:44:07,765 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:44:07,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:44:07,767 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:44:07,767 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:44:07,767 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:44:07,767 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6b743db7-ebc7-45a1-9b64-6cb8b6fe71ea/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b743db7-ebc7-45a1-9b64-6cb8b6fe71ea/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81147b3e42a82bd92b2fd1c17836bc41bf8598e66ad2317620561a8ac507fa9a [2022-11-18 20:44:08,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:44:08,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:44:08,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:44:08,121 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:44:08,122 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:44:08,123 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b743db7-ebc7-45a1-9b64-6cb8b6fe71ea/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i [2022-11-18 20:44:08,218 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b743db7-ebc7-45a1-9b64-6cb8b6fe71ea/bin/uautomizer-TMbwUNV5ro/data/5da7933c6/367b72fab64f40fd9a549555e1b3c673/FLAG953596dae [2022-11-18 20:44:08,964 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:44:08,965 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b743db7-ebc7-45a1-9b64-6cb8b6fe71ea/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i [2022-11-18 20:44:08,998 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b743db7-ebc7-45a1-9b64-6cb8b6fe71ea/bin/uautomizer-TMbwUNV5ro/data/5da7933c6/367b72fab64f40fd9a549555e1b3c673/FLAG953596dae [2022-11-18 20:44:09,196 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b743db7-ebc7-45a1-9b64-6cb8b6fe71ea/bin/uautomizer-TMbwUNV5ro/data/5da7933c6/367b72fab64f40fd9a549555e1b3c673 [2022-11-18 20:44:09,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:44:09,200 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:44:09,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:44:09,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:44:09,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:44:09,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:44:09" (1/1) ... [2022-11-18 20:44:09,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@768ba559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:09, skipping insertion in model container [2022-11-18 20:44:09,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:44:09" (1/1) ... [2022-11-18 20:44:09,227 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:44:09,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:44:09,558 WARN L234 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_6b743db7-ebc7-45a1-9b64-6cb8b6fe71ea/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i[820,833] [2022-11-18 20:44:10,099 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:44:10,108 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:44:10,118 WARN L234 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_6b743db7-ebc7-45a1-9b64-6cb8b6fe71ea/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i[820,833] [2022-11-18 20:44:10,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:44:10,255 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:44:10,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:10 WrapperNode [2022-11-18 20:44:10,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:44:10,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:44:10,257 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:44:10,257 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:44:10,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:10" (1/1) ... [2022-11-18 20:44:10,306 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:10" (1/1) ... [2022-11-18 20:44:10,332 INFO L138 Inliner]: procedures = 364, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 79 [2022-11-18 20:44:10,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:44:10,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:44:10,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:44:10,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:44:10,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:10" (1/1) ... [2022-11-18 20:44:10,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:10" (1/1) ... [2022-11-18 20:44:10,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:10" (1/1) ... [2022-11-18 20:44:10,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:10" (1/1) ... [2022-11-18 20:44:10,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:10" (1/1) ... [2022-11-18 20:44:10,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:10" (1/1) ... [2022-11-18 20:44:10,376 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:10" (1/1) ... [2022-11-18 20:44:10,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:10" (1/1) ... [2022-11-18 20:44:10,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:44:10,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:44:10,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:44:10,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:44:10,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:10" (1/1) ... [2022-11-18 20:44:10,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:44:10,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b743db7-ebc7-45a1-9b64-6cb8b6fe71ea/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:10,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b743db7-ebc7-45a1-9b64-6cb8b6fe71ea/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:44:10,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b743db7-ebc7-45a1-9b64-6cb8b6fe71ea/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:44:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:44:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:44:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:44:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:44:10,465 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-18 20:44:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:44:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_mutex [2022-11-18 20:44:10,466 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_mutex [2022-11-18 20:44:10,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:44:10,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:44:10,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:44:10,469 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 20:44:10,695 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:44:10,697 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:44:11,006 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:44:11,025 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:44:11,026 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 20:44:11,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:44:11 BoogieIcfgContainer [2022-11-18 20:44:11,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:44:11,031 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:44:11,031 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:44:11,038 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:44:11,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:44:09" (1/3) ... [2022-11-18 20:44:11,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33035833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:44:11, skipping insertion in model container [2022-11-18 20:44:11,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:10" (2/3) ... [2022-11-18 20:44:11,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33035833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:44:11, skipping insertion in model container [2022-11-18 20:44:11,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:44:11" (3/3) ... [2022-11-18 20:44:11,042 INFO L112 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-1.i [2022-11-18 20:44:11,057 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 20:44:11,068 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:44:11,069 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-11-18 20:44:11,069 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 20:44:11,183 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-18 20:44:11,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 118 places, 121 transitions, 250 flow [2022-11-18 20:44:11,343 INFO L130 PetriNetUnfolder]: 7/120 cut-off events. [2022-11-18 20:44:11,344 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-18 20:44:11,350 INFO L83 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 120 events. 7/120 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 151 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2022-11-18 20:44:11,351 INFO L82 GeneralOperation]: Start removeDead. Operand has 118 places, 121 transitions, 250 flow [2022-11-18 20:44:11,356 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 102 places, 104 transitions, 214 flow [2022-11-18 20:44:11,374 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:44:11,382 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;@5e14f054, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:44:11,383 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-11-18 20:44:11,391 INFO L130 PetriNetUnfolder]: 0/29 cut-off events. [2022-11-18 20:44:11,393 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:44:11,393 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:44:11,394 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:44:11,395 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-18 20:44:11,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:11,405 INFO L85 PathProgramCache]: Analyzing trace with hash 2119525465, now seen corresponding path program 1 times [2022-11-18 20:44:11,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:11,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208442682] [2022-11-18 20:44:11,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:11,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:11,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:44:11,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:44:11,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208442682] [2022-11-18 20:44:11,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208442682] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:44:11,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:44:11,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:44:11,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612596129] [2022-11-18 20:44:11,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:44:11,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:44:11,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:44:11,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:44:11,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:44:11,858 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 121 [2022-11-18 20:44:11,865 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 104 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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) [2022-11-18 20:44:11,866 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:44:11,866 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 121 [2022-11-18 20:44:11,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:44:12,029 INFO L130 PetriNetUnfolder]: 51/325 cut-off events. [2022-11-18 20:44:12,029 INFO L131 PetriNetUnfolder]: For 7/12 co-relation queries the response was YES. [2022-11-18 20:44:12,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 438 conditions, 325 events. 51/325 cut-off events. For 7/12 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1418 event pairs, 36 based on Foata normal form. 32/302 useless extension candidates. Maximal degree in co-relation 380. Up to 105 conditions per place. [2022-11-18 20:44:12,035 INFO L137 encePairwiseOnDemand]: 114/121 looper letters, 19 selfloop transitions, 2 changer transitions 0/97 dead transitions. [2022-11-18 20:44:12,035 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 97 transitions, 242 flow [2022-11-18 20:44:12,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:44:12,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:44:12,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 296 transitions. [2022-11-18 20:44:12,082 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8154269972451791 [2022-11-18 20:44:12,083 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 296 transitions. [2022-11-18 20:44:12,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 296 transitions. [2022-11-18 20:44:12,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:44:12,088 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 296 transitions. [2022-11-18 20:44:12,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 98.66666666666667) internal successors, (296), 3 states have internal predecessors, (296), 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) [2022-11-18 20:44:12,098 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 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) [2022-11-18 20:44:12,099 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 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) [2022-11-18 20:44:12,101 INFO L175 Difference]: Start difference. First operand has 102 places, 104 transitions, 214 flow. Second operand 3 states and 296 transitions. [2022-11-18 20:44:12,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 97 transitions, 242 flow [2022-11-18 20:44:12,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 97 transitions, 238 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:44:12,110 INFO L231 Difference]: Finished difference. Result has 99 places, 97 transitions, 200 flow [2022-11-18 20:44:12,112 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=200, PETRI_PLACES=99, PETRI_TRANSITIONS=97} [2022-11-18 20:44:12,116 INFO L288 CegarLoopForPetriNet]: 102 programPoint places, -3 predicate places. [2022-11-18 20:44:12,116 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 97 transitions, 200 flow [2022-11-18 20:44:12,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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) [2022-11-18 20:44:12,117 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:44:12,117 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:44:12,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:44:12,118 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-18 20:44:12,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:12,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1763460716, now seen corresponding path program 1 times [2022-11-18 20:44:12,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:12,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509497476] [2022-11-18 20:44:12,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:12,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:12,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:44:12,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:44:12,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509497476] [2022-11-18 20:44:12,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509497476] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:44:12,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:44:12,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:44:12,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569137808] [2022-11-18 20:44:12,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:44:12,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:44:12,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:44:12,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:44:12,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:44:12,277 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 121 [2022-11-18 20:44:12,277 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 97 transitions, 200 flow. Second operand has 3 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) [2022-11-18 20:44:12,278 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:44:12,278 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 121 [2022-11-18 20:44:12,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:44:12,510 INFO L130 PetriNetUnfolder]: 52/326 cut-off events. [2022-11-18 20:44:12,510 INFO L131 PetriNetUnfolder]: For 3/7 co-relation queries the response was YES. [2022-11-18 20:44:12,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 444 conditions, 326 events. 52/326 cut-off events. For 3/7 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1374 event pairs, 15 based on Foata normal form. 2/285 useless extension candidates. Maximal degree in co-relation 406. Up to 60 conditions per place. [2022-11-18 20:44:12,521 INFO L137 encePairwiseOnDemand]: 111/121 looper letters, 19 selfloop transitions, 6 changer transitions 4/106 dead transitions. [2022-11-18 20:44:12,522 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 106 transitions, 272 flow [2022-11-18 20:44:12,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:44:12,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:44:12,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 309 transitions. [2022-11-18 20:44:12,533 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8512396694214877 [2022-11-18 20:44:12,533 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 309 transitions. [2022-11-18 20:44:12,534 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 309 transitions. [2022-11-18 20:44:12,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:44:12,535 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 309 transitions. [2022-11-18 20:44:12,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:44:12,540 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 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) [2022-11-18 20:44:12,540 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 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) [2022-11-18 20:44:12,541 INFO L175 Difference]: Start difference. First operand has 99 places, 97 transitions, 200 flow. Second operand 3 states and 309 transitions. [2022-11-18 20:44:12,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 106 transitions, 272 flow [2022-11-18 20:44:12,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 106 transitions, 268 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:44:12,558 INFO L231 Difference]: Finished difference. Result has 100 places, 98 transitions, 237 flow [2022-11-18 20:44:12,559 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=237, PETRI_PLACES=100, PETRI_TRANSITIONS=98} [2022-11-18 20:44:12,560 INFO L288 CegarLoopForPetriNet]: 102 programPoint places, -2 predicate places. [2022-11-18 20:44:12,560 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 98 transitions, 237 flow [2022-11-18 20:44:12,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 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) [2022-11-18 20:44:12,561 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:44:12,562 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:44:12,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:44:12,563 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-18 20:44:12,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:12,566 INFO L85 PathProgramCache]: Analyzing trace with hash 209391811, now seen corresponding path program 1 times [2022-11-18 20:44:12,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:12,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938865126] [2022-11-18 20:44:12,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:12,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:12,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:44:12,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:44:12,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938865126] [2022-11-18 20:44:12,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938865126] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:44:12,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:44:12,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:44:12,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522694300] [2022-11-18 20:44:12,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:44:12,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:44:12,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:44:12,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:44:12,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:44:12,745 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 121 [2022-11-18 20:44:12,746 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 98 transitions, 237 flow. Second operand has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 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) [2022-11-18 20:44:12,746 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:44:12,747 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 121 [2022-11-18 20:44:12,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:44:12,820 INFO L130 PetriNetUnfolder]: 32/325 cut-off events. [2022-11-18 20:44:12,821 INFO L131 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2022-11-18 20:44:12,822 INFO L83 FinitePrefix]: Finished finitePrefix Result has 469 conditions, 325 events. 32/325 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1365 event pairs, 9 based on Foata normal form. 0/294 useless extension candidates. Maximal degree in co-relation 172. Up to 46 conditions per place. [2022-11-18 20:44:12,824 INFO L137 encePairwiseOnDemand]: 118/121 looper letters, 9 selfloop transitions, 2 changer transitions 0/101 dead transitions. [2022-11-18 20:44:12,824 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 101 transitions, 265 flow [2022-11-18 20:44:12,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:44:12,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:44:12,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 324 transitions. [2022-11-18 20:44:12,827 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8925619834710744 [2022-11-18 20:44:12,827 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 324 transitions. [2022-11-18 20:44:12,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 324 transitions. [2022-11-18 20:44:12,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:44:12,828 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 324 transitions. [2022-11-18 20:44:12,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 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) [2022-11-18 20:44:12,832 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 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) [2022-11-18 20:44:12,832 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 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) [2022-11-18 20:44:12,833 INFO L175 Difference]: Start difference. First operand has 100 places, 98 transitions, 237 flow. Second operand 3 states and 324 transitions. [2022-11-18 20:44:12,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 101 transitions, 265 flow [2022-11-18 20:44:12,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 101 transitions, 253 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:44:12,838 INFO L231 Difference]: Finished difference. Result has 97 places, 99 transitions, 237 flow [2022-11-18 20:44:12,838 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=225, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=237, PETRI_PLACES=97, PETRI_TRANSITIONS=99} [2022-11-18 20:44:12,839 INFO L288 CegarLoopForPetriNet]: 102 programPoint places, -5 predicate places. [2022-11-18 20:44:12,840 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 99 transitions, 237 flow [2022-11-18 20:44:12,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 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) [2022-11-18 20:44:12,840 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:44:12,841 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:44:12,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:44:12,841 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-18 20:44:12,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:12,842 INFO L85 PathProgramCache]: Analyzing trace with hash 393664727, now seen corresponding path program 1 times [2022-11-18 20:44:12,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:12,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986239109] [2022-11-18 20:44:12,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:12,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:12,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:12,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:44:12,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:44:12,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986239109] [2022-11-18 20:44:12,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986239109] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:44:12,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:44:12,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:44:12,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130363247] [2022-11-18 20:44:12,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:44:12,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:44:12,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:44:12,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:44:12,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:44:12,911 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 121 [2022-11-18 20:44:12,912 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 99 transitions, 237 flow. Second operand has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 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) [2022-11-18 20:44:12,912 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:44:12,912 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 121 [2022-11-18 20:44:12,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:44:13,089 INFO L130 PetriNetUnfolder]: 145/715 cut-off events. [2022-11-18 20:44:13,090 INFO L131 PetriNetUnfolder]: For 91/101 co-relation queries the response was YES. [2022-11-18 20:44:13,092 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1195 conditions, 715 events. 145/715 cut-off events. For 91/101 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 4149 event pairs, 47 based on Foata normal form. 4/635 useless extension candidates. Maximal degree in co-relation 535. Up to 235 conditions per place. [2022-11-18 20:44:13,099 INFO L137 encePairwiseOnDemand]: 115/121 looper letters, 27 selfloop transitions, 7 changer transitions 0/109 dead transitions. [2022-11-18 20:44:13,099 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 109 transitions, 337 flow [2022-11-18 20:44:13,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:44:13,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:44:13,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 297 transitions. [2022-11-18 20:44:13,101 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8181818181818182 [2022-11-18 20:44:13,102 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 297 transitions. [2022-11-18 20:44:13,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 297 transitions. [2022-11-18 20:44:13,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:44:13,103 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 297 transitions. [2022-11-18 20:44:13,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 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) [2022-11-18 20:44:13,108 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 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) [2022-11-18 20:44:13,110 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 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) [2022-11-18 20:44:13,111 INFO L175 Difference]: Start difference. First operand has 97 places, 99 transitions, 237 flow. Second operand 3 states and 297 transitions. [2022-11-18 20:44:13,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 109 transitions, 337 flow [2022-11-18 20:44:13,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 109 transitions, 335 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 20:44:13,115 INFO L231 Difference]: Finished difference. Result has 100 places, 104 transitions, 291 flow [2022-11-18 20:44:13,115 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=235, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=291, PETRI_PLACES=100, PETRI_TRANSITIONS=104} [2022-11-18 20:44:13,116 INFO L288 CegarLoopForPetriNet]: 102 programPoint places, -2 predicate places. [2022-11-18 20:44:13,117 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 104 transitions, 291 flow [2022-11-18 20:44:13,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 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) [2022-11-18 20:44:13,117 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:44:13,118 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:44:13,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:44:13,118 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-18 20:44:13,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:13,119 INFO L85 PathProgramCache]: Analyzing trace with hash 602132046, now seen corresponding path program 1 times [2022-11-18 20:44:13,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:13,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150368422] [2022-11-18 20:44:13,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:13,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:13,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:44:13,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:44:13,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150368422] [2022-11-18 20:44:13,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150368422] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:44:13,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:44:13,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:44:13,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32990919] [2022-11-18 20:44:13,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:44:13,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:44:13,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:44:13,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:44:13,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:44:13,181 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 121 [2022-11-18 20:44:13,182 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 104 transitions, 291 flow. Second operand has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 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) [2022-11-18 20:44:13,182 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:44:13,182 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 121 [2022-11-18 20:44:13,182 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:44:13,372 INFO L130 PetriNetUnfolder]: 143/690 cut-off events. [2022-11-18 20:44:13,372 INFO L131 PetriNetUnfolder]: For 331/355 co-relation queries the response was YES. [2022-11-18 20:44:13,375 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1387 conditions, 690 events. 143/690 cut-off events. For 331/355 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 3956 event pairs, 43 based on Foata normal form. 4/648 useless extension candidates. Maximal degree in co-relation 609. Up to 223 conditions per place. [2022-11-18 20:44:13,378 INFO L137 encePairwiseOnDemand]: 115/121 looper letters, 29 selfloop transitions, 9 changer transitions 0/115 dead transitions. [2022-11-18 20:44:13,378 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 115 transitions, 417 flow [2022-11-18 20:44:13,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:44:13,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:44:13,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 299 transitions. [2022-11-18 20:44:13,380 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8236914600550964 [2022-11-18 20:44:13,380 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 299 transitions. [2022-11-18 20:44:13,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 299 transitions. [2022-11-18 20:44:13,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:44:13,381 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 299 transitions. [2022-11-18 20:44:13,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 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) [2022-11-18 20:44:13,384 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 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) [2022-11-18 20:44:13,384 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 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) [2022-11-18 20:44:13,384 INFO L175 Difference]: Start difference. First operand has 100 places, 104 transitions, 291 flow. Second operand 3 states and 299 transitions. [2022-11-18 20:44:13,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 115 transitions, 417 flow [2022-11-18 20:44:13,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 115 transitions, 397 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:44:13,393 INFO L231 Difference]: Finished difference. Result has 102 places, 109 transitions, 345 flow [2022-11-18 20:44:13,394 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=277, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=345, PETRI_PLACES=102, PETRI_TRANSITIONS=109} [2022-11-18 20:44:13,398 INFO L288 CegarLoopForPetriNet]: 102 programPoint places, 0 predicate places. [2022-11-18 20:44:13,399 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 109 transitions, 345 flow [2022-11-18 20:44:13,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.66666666666667) internal successors, (281), 3 states have internal predecessors, (281), 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) [2022-11-18 20:44:13,399 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:44:13,400 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:44:13,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:44:13,401 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-18 20:44:13,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:13,405 INFO L85 PathProgramCache]: Analyzing trace with hash -1897760530, now seen corresponding path program 1 times [2022-11-18 20:44:13,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:13,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29537375] [2022-11-18 20:44:13,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:13,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:13,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:44:13,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:44:13,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29537375] [2022-11-18 20:44:13,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29537375] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:44:13,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:44:13,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:44:13,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304769496] [2022-11-18 20:44:13,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:44:13,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:44:13,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:44:13,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:44:13,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:44:13,574 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 121 [2022-11-18 20:44:13,574 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 109 transitions, 345 flow. Second operand has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 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) [2022-11-18 20:44:13,574 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:44:13,575 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 121 [2022-11-18 20:44:13,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:44:13,631 INFO L130 PetriNetUnfolder]: 5/161 cut-off events. [2022-11-18 20:44:13,631 INFO L131 PetriNetUnfolder]: For 37/37 co-relation queries the response was YES. [2022-11-18 20:44:13,632 INFO L83 FinitePrefix]: Finished finitePrefix Result has 259 conditions, 161 events. 5/161 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 253 event pairs, 2 based on Foata normal form. 4/161 useless extension candidates. Maximal degree in co-relation 156. Up to 15 conditions per place. [2022-11-18 20:44:13,632 INFO L137 encePairwiseOnDemand]: 117/121 looper letters, 7 selfloop transitions, 4 changer transitions 0/89 dead transitions. [2022-11-18 20:44:13,633 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 89 transitions, 245 flow [2022-11-18 20:44:13,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:44:13,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:44:13,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 316 transitions. [2022-11-18 20:44:13,635 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8705234159779615 [2022-11-18 20:44:13,635 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 316 transitions. [2022-11-18 20:44:13,635 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 316 transitions. [2022-11-18 20:44:13,636 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:44:13,636 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 316 transitions. [2022-11-18 20:44:13,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 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) [2022-11-18 20:44:13,639 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 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) [2022-11-18 20:44:13,639 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 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) [2022-11-18 20:44:13,640 INFO L175 Difference]: Start difference. First operand has 102 places, 109 transitions, 345 flow. Second operand 3 states and 316 transitions. [2022-11-18 20:44:13,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 89 transitions, 245 flow [2022-11-18 20:44:13,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 89 transitions, 209 flow, removed 8 selfloop flow, removed 8 redundant places. [2022-11-18 20:44:13,643 INFO L231 Difference]: Finished difference. Result has 92 places, 89 transitions, 195 flow [2022-11-18 20:44:13,644 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=187, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=195, PETRI_PLACES=92, PETRI_TRANSITIONS=89} [2022-11-18 20:44:13,644 INFO L288 CegarLoopForPetriNet]: 102 programPoint places, -10 predicate places. [2022-11-18 20:44:13,645 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 89 transitions, 195 flow [2022-11-18 20:44:13,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 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) [2022-11-18 20:44:13,645 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:44:13,646 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:44:13,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:44:13,646 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-18 20:44:13,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:13,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1586554298, now seen corresponding path program 1 times [2022-11-18 20:44:13,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:13,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567240783] [2022-11-18 20:44:13,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:13,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:13,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:44:13,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:44:13,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567240783] [2022-11-18 20:44:13,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567240783] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:44:13,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [244373479] [2022-11-18 20:44:13,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:13,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:44:13,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b743db7-ebc7-45a1-9b64-6cb8b6fe71ea/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:13,772 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b743db7-ebc7-45a1-9b64-6cb8b6fe71ea/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:44:13,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b743db7-ebc7-45a1-9b64-6cb8b6fe71ea/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 20:44:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:13,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:44:13,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:44:14,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:44:14,051 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:44:14,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:44:14,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [244373479] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:44:14,158 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:44:14,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-18 20:44:14,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723417675] [2022-11-18 20:44:14,159 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:44:14,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 20:44:14,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:44:14,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 20:44:14,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:44:14,163 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 121 [2022-11-18 20:44:14,165 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 89 transitions, 195 flow. Second operand has 10 states, 10 states have (on average 104.9) internal successors, (1049), 10 states have internal predecessors, (1049), 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) [2022-11-18 20:44:14,165 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:44:14,166 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 121 [2022-11-18 20:44:14,166 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:44:14,307 INFO L130 PetriNetUnfolder]: 6/206 cut-off events. [2022-11-18 20:44:14,307 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-18 20:44:14,308 INFO L83 FinitePrefix]: Finished finitePrefix Result has 271 conditions, 206 events. 6/206 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 310 event pairs, 3 based on Foata normal form. 4/206 useless extension candidates. Maximal degree in co-relation 84. Up to 11 conditions per place. [2022-11-18 20:44:14,309 INFO L137 encePairwiseOnDemand]: 115/121 looper letters, 9 selfloop transitions, 9 changer transitions 0/97 dead transitions. [2022-11-18 20:44:14,310 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 97 transitions, 249 flow [2022-11-18 20:44:14,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:44:14,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-11-18 20:44:14,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 947 transitions. [2022-11-18 20:44:14,314 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.869605142332415 [2022-11-18 20:44:14,314 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 947 transitions. [2022-11-18 20:44:14,315 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 947 transitions. [2022-11-18 20:44:14,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:44:14,316 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 947 transitions. [2022-11-18 20:44:14,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 105.22222222222223) internal successors, (947), 9 states have internal predecessors, (947), 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) [2022-11-18 20:44:14,323 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 121.0) internal successors, (1210), 10 states have internal predecessors, (1210), 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) [2022-11-18 20:44:14,323 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 121.0) internal successors, (1210), 10 states have internal predecessors, (1210), 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) [2022-11-18 20:44:14,324 INFO L175 Difference]: Start difference. First operand has 92 places, 89 transitions, 195 flow. Second operand 9 states and 947 transitions. [2022-11-18 20:44:14,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 97 transitions, 249 flow [2022-11-18 20:44:14,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 97 transitions, 245 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 20:44:14,327 INFO L231 Difference]: Finished difference. Result has 102 places, 95 transitions, 241 flow [2022-11-18 20:44:14,327 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=191, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=241, PETRI_PLACES=102, PETRI_TRANSITIONS=95} [2022-11-18 20:44:14,328 INFO L288 CegarLoopForPetriNet]: 102 programPoint places, 0 predicate places. [2022-11-18 20:44:14,328 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 95 transitions, 241 flow [2022-11-18 20:44:14,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 104.9) internal successors, (1049), 10 states have internal predecessors, (1049), 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) [2022-11-18 20:44:14,332 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:44:14,332 INFO L209 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:44:14,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b743db7-ebc7-45a1-9b64-6cb8b6fe71ea/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:44:14,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b743db7-ebc7-45a1-9b64-6cb8b6fe71ea/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:44:14,539 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-18 20:44:14,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:44:14,540 INFO L85 PathProgramCache]: Analyzing trace with hash 2135243148, now seen corresponding path program 2 times [2022-11-18 20:44:14,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:44:14,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772614335] [2022-11-18 20:44:14,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:44:14,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:44:14,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:44:14,891 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:44:14,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:44:14,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772614335] [2022-11-18 20:44:14,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772614335] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:44:14,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975212778] [2022-11-18 20:44:14,892 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 20:44:14,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:44:14,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b743db7-ebc7-45a1-9b64-6cb8b6fe71ea/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:44:14,894 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b743db7-ebc7-45a1-9b64-6cb8b6fe71ea/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:44:14,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b743db7-ebc7-45a1-9b64-6cb8b6fe71ea/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 20:44:15,008 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-18 20:44:15,008 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:44:15,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-18 20:44:15,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:44:15,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-18 20:44:15,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:44:15,210 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-18 20:44:15,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:44:15,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:44:15,274 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 20:44:15,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-18 20:44:15,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:44:15,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:44:15,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 20:44:15,348 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-18 20:44:15,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2022-11-18 20:44:15,399 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-18 20:44:15,400 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:44:15,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [975212778] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:44:15,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:44:15,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 14 [2022-11-18 20:44:15,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724248656] [2022-11-18 20:44:15,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:44:15,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:44:15,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:44:15,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:44:15,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2022-11-18 20:44:15,406 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 121 [2022-11-18 20:44:15,407 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 95 transitions, 241 flow. Second operand has 7 states, 7 states have (on average 100.42857142857143) internal successors, (703), 7 states have internal predecessors, (703), 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) [2022-11-18 20:44:15,407 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:44:15,407 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 121 [2022-11-18 20:44:15,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:44:15,478 INFO L130 PetriNetUnfolder]: 6/204 cut-off events. [2022-11-18 20:44:15,478 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-11-18 20:44:15,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 284 conditions, 204 events. 6/204 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 306 event pairs, 3 based on Foata normal form. 0/202 useless extension candidates. Maximal degree in co-relation 213. Up to 11 conditions per place. [2022-11-18 20:44:15,480 INFO L137 encePairwiseOnDemand]: 115/121 looper letters, 0 selfloop transitions, 0 changer transitions 94/94 dead transitions. [2022-11-18 20:44:15,480 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 94 transitions, 259 flow [2022-11-18 20:44:15,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:44:15,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-11-18 20:44:15,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 704 transitions. [2022-11-18 20:44:15,484 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8311688311688312 [2022-11-18 20:44:15,484 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 704 transitions. [2022-11-18 20:44:15,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 704 transitions. [2022-11-18 20:44:15,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:44:15,485 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 704 transitions. [2022-11-18 20:44:15,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 100.57142857142857) internal successors, (704), 7 states have internal predecessors, (704), 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) [2022-11-18 20:44:15,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 121.0) internal successors, (968), 8 states have internal predecessors, (968), 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) [2022-11-18 20:44:15,490 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 121.0) internal successors, (968), 8 states have internal predecessors, (968), 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) [2022-11-18 20:44:15,491 INFO L175 Difference]: Start difference. First operand has 102 places, 95 transitions, 241 flow. Second operand 7 states and 704 transitions. [2022-11-18 20:44:15,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 94 transitions, 259 flow [2022-11-18 20:44:15,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 94 transitions, 253 flow, removed 2 selfloop flow, removed 1 redundant places. [2022-11-18 20:44:15,494 INFO L231 Difference]: Finished difference. Result has 106 places, 0 transitions, 0 flow [2022-11-18 20:44:15,494 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=233, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=106, PETRI_TRANSITIONS=0} [2022-11-18 20:44:15,497 INFO L288 CegarLoopForPetriNet]: 102 programPoint places, 4 predicate places. [2022-11-18 20:44:15,499 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 0 transitions, 0 flow [2022-11-18 20:44:15,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 100.42857142857143) internal successors, (703), 7 states have internal predecessors, (703), 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) [2022-11-18 20:44:15,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2022-11-18 20:44:15,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2022-11-18 20:44:15,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2022-11-18 20:44:15,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2022-11-18 20:44:15,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2022-11-18 20:44:15,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2022-11-18 20:44:15,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2022-11-18 20:44:15,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2022-11-18 20:44:15,516 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2022-11-18 20:44:15,517 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2022-11-18 20:44:15,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b743db7-ebc7-45a1-9b64-6cb8b6fe71ea/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:44:15,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b743db7-ebc7-45a1-9b64-6cb8b6fe71ea/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:44:15,724 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2022-11-18 20:44:15,734 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 20:44:15,734 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:44:15,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:44:15 BasicIcfg [2022-11-18 20:44:15,742 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:44:15,743 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:44:15,743 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:44:15,743 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:44:15,744 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:44:11" (3/4) ... [2022-11-18 20:44:15,747 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:44:15,754 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_function_mutex [2022-11-18 20:44:15,774 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-18 20:44:15,775 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 20:44:15,775 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-18 20:44:15,775 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:44:15,835 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b743db7-ebc7-45a1-9b64-6cb8b6fe71ea/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:44:15,835 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:44:15,837 INFO L158 Benchmark]: Toolchain (without parser) took 6636.19ms. Allocated memory was 123.7MB in the beginning and 159.4MB in the end (delta: 35.7MB). Free memory was 87.0MB in the beginning and 70.6MB in the end (delta: 16.4MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2022-11-18 20:44:15,837 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:44:15,838 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1048.66ms. Allocated memory is still 123.7MB. Free memory was 87.0MB in the beginning and 70.2MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-18 20:44:15,838 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.81ms. Allocated memory is still 123.7MB. Free memory was 70.2MB in the beginning and 67.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 20:44:15,838 INFO L158 Benchmark]: Boogie Preprocessor took 52.28ms. Allocated memory is still 123.7MB. Free memory was 67.7MB in the beginning and 66.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:44:15,839 INFO L158 Benchmark]: RCFGBuilder took 642.40ms. Allocated memory is still 123.7MB. Free memory was 66.0MB in the beginning and 91.0MB in the end (delta: -24.9MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2022-11-18 20:44:15,839 INFO L158 Benchmark]: TraceAbstraction took 4711.30ms. Allocated memory was 123.7MB in the beginning and 159.4MB in the end (delta: 35.7MB). Free memory was 90.3MB in the beginning and 73.6MB in the end (delta: 16.7MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2022-11-18 20:44:15,840 INFO L158 Benchmark]: Witness Printer took 92.84ms. Allocated memory is still 159.4MB. Free memory was 73.6MB in the beginning and 70.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:44:15,842 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1048.66ms. Allocated memory is still 123.7MB. Free memory was 87.0MB in the beginning and 70.2MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.81ms. Allocated memory is still 123.7MB. Free memory was 70.2MB in the beginning and 67.7MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.28ms. Allocated memory is still 123.7MB. Free memory was 67.7MB in the beginning and 66.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 642.40ms. Allocated memory is still 123.7MB. Free memory was 66.0MB in the beginning and 91.0MB in the end (delta: -24.9MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4711.30ms. Allocated memory was 123.7MB in the beginning and 159.4MB in the end (delta: 35.7MB). Free memory was 90.3MB in the beginning and 73.6MB in the end (delta: 16.7MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. * Witness Printer took 92.84ms. Allocated memory is still 159.4MB. Free memory was 73.6MB in the beginning and 70.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1342]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1350]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1353]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1350]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1357]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1326]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1329]: 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, 142 locations, 10 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.5s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 99 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 169 IncrementalHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 86 mSDtfsCounter, 169 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 237 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=345occurred in iteration=5, InterpolantAutomatonStates: 34, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 571 NumberOfCodeBlocks, 529 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 620 ConstructedInterpolants, 0 QuantifiedInterpolants, 1074 SizeOfPredicates, 2 NumberOfNonLiveVariables, 257 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 45/93 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 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-18 20:44:15,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b743db7-ebc7-45a1-9b64-6cb8b6fe71ea/bin/uautomizer-TMbwUNV5ro/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