./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/bench-exp3x3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95de65-1ae2-4eb0-8b32-71e86b90e395/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95de65-1ae2-4eb0-8b32-71e86b90e395/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95de65-1ae2-4eb0-8b32-71e86b90e395/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95de65-1ae2-4eb0-8b32-71e86b90e395/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp3x3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95de65-1ae2-4eb0-8b32-71e86b90e395/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95de65-1ae2-4eb0-8b32-71e86b90e395/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 753355d7d8c08568df49ed9a7977f84d185e0dbf04984bcb7908b11aa84a04b9 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 11:54:19,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:54:19,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:54:19,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:54:19,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:54:19,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:54:19,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:54:19,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:54:19,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:54:19,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:54:19,082 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:54:19,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:54:19,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:54:19,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:54:19,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:54:19,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:54:19,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:54:19,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:54:19,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:54:19,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:54:19,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:54:19,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:54:19,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:54:19,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:54:19,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:54:19,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:54:19,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:54:19,103 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:54:19,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:54:19,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:54:19,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:54:19,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:54:19,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:54:19,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:54:19,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:54:19,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:54:19,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:54:19,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:54:19,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:54:19,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:54:19,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:54:19,110 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95de65-1ae2-4eb0-8b32-71e86b90e395/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 11:54:19,125 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:54:19,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:54:19,125 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:54:19,125 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:54:19,126 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 11:54:19,126 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 11:54:19,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:54:19,127 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:54:19,127 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:54:19,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:54:19,127 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 11:54:19,127 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 11:54:19,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:54:19,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 11:54:19,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:54:19,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 11:54:19,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 11:54:19,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 11:54:19,128 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 11:54:19,129 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 11:54:19,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:54:19,129 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:54:19,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 11:54:19,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:54:19,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:54:19,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 11:54:19,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:54:19,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:54:19,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 11:54:19,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 11:54:19,130 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:54:19,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 11:54:19,131 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 11:54:19,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 11:54:19,131 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 11:54:19,131 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 11:54:19,131 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 11:54:19,131 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95de65-1ae2-4eb0-8b32-71e86b90e395/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95de65-1ae2-4eb0-8b32-71e86b90e395/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 753355d7d8c08568df49ed9a7977f84d185e0dbf04984bcb7908b11aa84a04b9 [2022-12-13 11:54:19,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:54:19,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:54:19,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:54:19,326 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:54:19,326 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:54:19,327 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95de65-1ae2-4eb0-8b32-71e86b90e395/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/bench-exp3x3.wvr.c [2022-12-13 11:54:21,857 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:54:22,012 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:54:22,012 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95de65-1ae2-4eb0-8b32-71e86b90e395/sv-benchmarks/c/weaver/bench-exp3x3.wvr.c [2022-12-13 11:54:22,017 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95de65-1ae2-4eb0-8b32-71e86b90e395/bin/uautomizer-uyxdKDjOR8/data/230b4fa64/52e2f43addf844b6b0ca512095931bba/FLAGd1dafbf95 [2022-12-13 11:54:22,431 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95de65-1ae2-4eb0-8b32-71e86b90e395/bin/uautomizer-uyxdKDjOR8/data/230b4fa64/52e2f43addf844b6b0ca512095931bba [2022-12-13 11:54:22,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:54:22,434 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:54:22,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:54:22,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:54:22,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:54:22,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:54:22" (1/1) ... [2022-12-13 11:54:22,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64286f8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:54:22, skipping insertion in model container [2022-12-13 11:54:22,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:54:22" (1/1) ... [2022-12-13 11:54:22,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:54:22,457 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:54:22,581 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95de65-1ae2-4eb0-8b32-71e86b90e395/sv-benchmarks/c/weaver/bench-exp3x3.wvr.c[2625,2638] [2022-12-13 11:54:22,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:54:22,590 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:54:22,614 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95de65-1ae2-4eb0-8b32-71e86b90e395/sv-benchmarks/c/weaver/bench-exp3x3.wvr.c[2625,2638] [2022-12-13 11:54:22,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:54:22,626 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:54:22,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:54:22 WrapperNode [2022-12-13 11:54:22,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:54:22,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:54:22,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:54:22,627 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:54:22,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:54:22" (1/1) ... [2022-12-13 11:54:22,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:54:22" (1/1) ... [2022-12-13 11:54:22,661 INFO L138 Inliner]: procedures = 22, calls = 44, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 241 [2022-12-13 11:54:22,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:54:22,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:54:22,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:54:22,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:54:22,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:54:22" (1/1) ... [2022-12-13 11:54:22,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:54:22" (1/1) ... [2022-12-13 11:54:22,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:54:22" (1/1) ... [2022-12-13 11:54:22,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:54:22" (1/1) ... [2022-12-13 11:54:22,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:54:22" (1/1) ... [2022-12-13 11:54:22,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:54:22" (1/1) ... [2022-12-13 11:54:22,695 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:54:22" (1/1) ... [2022-12-13 11:54:22,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:54:22" (1/1) ... [2022-12-13 11:54:22,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:54:22,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:54:22,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:54:22,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:54:22,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:54:22" (1/1) ... [2022-12-13 11:54:22,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:54:22,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95de65-1ae2-4eb0-8b32-71e86b90e395/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:54:22,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95de65-1ae2-4eb0-8b32-71e86b90e395/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 11:54:22,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95de65-1ae2-4eb0-8b32-71e86b90e395/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 11:54:22,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:54:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 11:54:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 11:54:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 11:54:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 11:54:22,769 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-13 11:54:22,769 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-13 11:54:22,769 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-12-13 11:54:22,769 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-12-13 11:54:22,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 11:54:22,769 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-12-13 11:54:22,770 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-12-13 11:54:22,770 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2022-12-13 11:54:22,770 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2022-12-13 11:54:22,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 11:54:22,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 11:54:22,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:54:22,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:54:22,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 11:54:22,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 11:54:22,773 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 11:54:22,864 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:54:22,866 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:54:23,262 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:54:23,272 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:54:23,273 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-13 11:54:23,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:54:23 BoogieIcfgContainer [2022-12-13 11:54:23,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:54:23,276 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 11:54:23,276 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 11:54:23,279 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 11:54:23,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:54:22" (1/3) ... [2022-12-13 11:54:23,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3172bcbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:54:23, skipping insertion in model container [2022-12-13 11:54:23,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:54:22" (2/3) ... [2022-12-13 11:54:23,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3172bcbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:54:23, skipping insertion in model container [2022-12-13 11:54:23,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:54:23" (3/3) ... [2022-12-13 11:54:23,281 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp3x3.wvr.c [2022-12-13 11:54:23,287 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 11:54:23,295 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 11:54:23,295 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2022-12-13 11:54:23,295 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 11:54:23,373 INFO L144 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2022-12-13 11:54:23,401 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 419 places, 421 transitions, 890 flow [2022-12-13 11:54:23,489 INFO L130 PetriNetUnfolder]: 21/415 cut-off events. [2022-12-13 11:54:23,489 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-12-13 11:54:23,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 440 conditions, 415 events. 21/415 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 674 event pairs, 0 based on Foata normal form. 0/336 useless extension candidates. Maximal degree in co-relation 292. Up to 2 conditions per place. [2022-12-13 11:54:23,498 INFO L82 GeneralOperation]: Start removeDead. Operand has 419 places, 421 transitions, 890 flow [2022-12-13 11:54:23,504 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 385 places, 385 transitions, 806 flow [2022-12-13 11:54:23,507 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 11:54:23,514 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 385 places, 385 transitions, 806 flow [2022-12-13 11:54:23,516 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 385 places, 385 transitions, 806 flow [2022-12-13 11:54:23,516 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 385 places, 385 transitions, 806 flow [2022-12-13 11:54:23,574 INFO L130 PetriNetUnfolder]: 19/385 cut-off events. [2022-12-13 11:54:23,574 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-12-13 11:54:23,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 410 conditions, 385 events. 19/385 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 651 event pairs, 0 based on Foata normal form. 0/309 useless extension candidates. Maximal degree in co-relation 292. Up to 2 conditions per place. [2022-12-13 11:54:23,583 INFO L119 LiptonReduction]: Number of co-enabled transitions 28704 [2022-12-13 11:54:37,311 INFO L134 LiptonReduction]: Checked pairs total: 53093 [2022-12-13 11:54:37,311 INFO L136 LiptonReduction]: Total number of compositions: 470 [2022-12-13 11:54:37,322 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:54:37,326 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;@242f007c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:54:37,326 INFO L358 AbstractCegarLoop]: Starting to check reachability of 94 error locations. [2022-12-13 11:54:37,327 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 11:54:37,327 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 11:54:37,328 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:54:37,328 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 11:54:37,328 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2022-12-13 11:54:37,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:54:37,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1555, now seen corresponding path program 1 times [2022-12-13 11:54:37,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:54:37,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724920798] [2022-12-13 11:54:37,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:54:37,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:54:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:54:37,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:54:37,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:54:37,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724920798] [2022-12-13 11:54:37,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724920798] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:54:37,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:54:37,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 11:54:37,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850076339] [2022-12-13 11:54:37,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:54:37,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 11:54:37,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:54:37,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 11:54:37,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 11:54:37,434 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 400 out of 891 [2022-12-13 11:54:37,436 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 106 transitions, 248 flow. Second operand has 2 states, 2 states have (on average 400.5) internal successors, (801), 2 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:37,437 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:54:37,437 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 400 of 891 [2022-12-13 11:54:37,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:54:38,816 INFO L130 PetriNetUnfolder]: 14584/18134 cut-off events. [2022-12-13 11:54:38,817 INFO L131 PetriNetUnfolder]: For 840/840 co-relation queries the response was YES. [2022-12-13 11:54:38,841 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36730 conditions, 18134 events. 14584/18134 cut-off events. For 840/840 co-relation queries the response was YES. Maximal size of possible extension queue 476. Compared 67168 event pairs, 9480 based on Foata normal form. 1/13031 useless extension candidates. Maximal degree in co-relation 28334. Up to 17497 conditions per place. [2022-12-13 11:54:38,906 INFO L137 encePairwiseOnDemand]: 833/891 looper letters, 41 selfloop transitions, 0 changer transitions 1/48 dead transitions. [2022-12-13 11:54:38,906 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 48 transitions, 216 flow [2022-12-13 11:54:38,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 11:54:38,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 11:54:38,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 900 transitions. [2022-12-13 11:54:38,920 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5050505050505051 [2022-12-13 11:54:38,920 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 900 transitions. [2022-12-13 11:54:38,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 900 transitions. [2022-12-13 11:54:38,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:54:38,924 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 900 transitions. [2022-12-13 11:54:38,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 450.0) internal successors, (900), 2 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:38,938 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 891.0) internal successors, (2673), 3 states have internal predecessors, (2673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:38,939 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 891.0) internal successors, (2673), 3 states have internal predecessors, (2673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:38,940 INFO L175 Difference]: Start difference. First operand has 113 places, 106 transitions, 248 flow. Second operand 2 states and 900 transitions. [2022-12-13 11:54:38,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 48 transitions, 216 flow [2022-12-13 11:54:38,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 48 transitions, 192 flow, removed 0 selfloop flow, removed 12 redundant places. [2022-12-13 11:54:38,987 INFO L231 Difference]: Finished difference. Result has 50 places, 47 transitions, 105 flow [2022-12-13 11:54:38,989 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=891, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=105, PETRI_PLACES=50, PETRI_TRANSITIONS=47} [2022-12-13 11:54:38,993 INFO L288 CegarLoopForPetriNet]: 113 programPoint places, -63 predicate places. [2022-12-13 11:54:38,993 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 47 transitions, 105 flow [2022-12-13 11:54:38,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 400.5) internal successors, (801), 2 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:38,994 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 11:54:38,994 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 11:54:38,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 11:54:38,995 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 90 more)] === [2022-12-13 11:54:38,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:54:38,995 INFO L85 PathProgramCache]: Analyzing trace with hash 47773969, now seen corresponding path program 1 times [2022-12-13 11:54:38,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:54:38,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52693497] [2022-12-13 11:54:38,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:54:38,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:54:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:54:39,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:54:39,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:54:39,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52693497] [2022-12-13 11:54:39,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52693497] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:54:39,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:54:39,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:54:39,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882426999] [2022-12-13 11:54:39,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:54:39,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:54:39,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:54:39,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:54:39,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:54:39,146 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 381 out of 891 [2022-12-13 11:54:39,147 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 47 transitions, 105 flow. Second operand has 3 states, 3 states have (on average 382.3333333333333) internal successors, (1147), 3 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:39,148 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 11:54:39,148 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 381 of 891 [2022-12-13 11:54:39,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 11:54:40,071 INFO L130 PetriNetUnfolder]: 14625/17548 cut-off events. [2022-12-13 11:54:40,071 INFO L131 PetriNetUnfolder]: For 242/242 co-relation queries the response was YES. [2022-12-13 11:54:40,082 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35468 conditions, 17548 events. 14625/17548 cut-off events. For 242/242 co-relation queries the response was YES. Maximal size of possible extension queue 374. Compared 57251 event pairs, 6992 based on Foata normal form. 0/12444 useless extension candidates. Maximal degree in co-relation 35465. Up to 17535 conditions per place. [2022-12-13 11:54:40,089 INFO L137 encePairwiseOnDemand]: 879/891 looper letters, 0 selfloop transitions, 0 changer transitions 58/58 dead transitions. [2022-12-13 11:54:40,089 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 58 transitions, 248 flow [2022-12-13 11:54:40,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:54:40,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 11:54:40,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1207 transitions. [2022-12-13 11:54:40,094 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4515525626636738 [2022-12-13 11:54:40,094 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1207 transitions. [2022-12-13 11:54:40,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1207 transitions. [2022-12-13 11:54:40,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:54:40,095 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1207 transitions. [2022-12-13 11:54:40,097 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 402.3333333333333) internal successors, (1207), 3 states have internal predecessors, (1207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:40,100 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 891.0) internal successors, (3564), 4 states have internal predecessors, (3564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:40,101 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 891.0) internal successors, (3564), 4 states have internal predecessors, (3564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:40,101 INFO L175 Difference]: Start difference. First operand has 50 places, 47 transitions, 105 flow. Second operand 3 states and 1207 transitions. [2022-12-13 11:54:40,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 58 transitions, 248 flow [2022-12-13 11:54:40,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 58 transitions, 248 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 11:54:40,102 INFO L231 Difference]: Finished difference. Result has 45 places, 0 transitions, 0 flow [2022-12-13 11:54:40,102 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=891, PETRI_DIFFERENCE_MINUEND_FLOW=93, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=45, PETRI_TRANSITIONS=0} [2022-12-13 11:54:40,103 INFO L288 CegarLoopForPetriNet]: 113 programPoint places, -68 predicate places. [2022-12-13 11:54:40,103 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 0 transitions, 0 flow [2022-12-13 11:54:40,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 382.3333333333333) internal successors, (1147), 3 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:54:40,105 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (93 of 94 remaining) [2022-12-13 11:54:40,105 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (92 of 94 remaining) [2022-12-13 11:54:40,105 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (91 of 94 remaining) [2022-12-13 11:54:40,106 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (90 of 94 remaining) [2022-12-13 11:54:40,106 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (89 of 94 remaining) [2022-12-13 11:54:40,106 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (88 of 94 remaining) [2022-12-13 11:54:40,106 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (87 of 94 remaining) [2022-12-13 11:54:40,106 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (86 of 94 remaining) [2022-12-13 11:54:40,106 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (85 of 94 remaining) [2022-12-13 11:54:40,106 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (84 of 94 remaining) [2022-12-13 11:54:40,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (83 of 94 remaining) [2022-12-13 11:54:40,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (82 of 94 remaining) [2022-12-13 11:54:40,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (81 of 94 remaining) [2022-12-13 11:54:40,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (80 of 94 remaining) [2022-12-13 11:54:40,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (79 of 94 remaining) [2022-12-13 11:54:40,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (78 of 94 remaining) [2022-12-13 11:54:40,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (77 of 94 remaining) [2022-12-13 11:54:40,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (76 of 94 remaining) [2022-12-13 11:54:40,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (75 of 94 remaining) [2022-12-13 11:54:40,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (74 of 94 remaining) [2022-12-13 11:54:40,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (73 of 94 remaining) [2022-12-13 11:54:40,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (72 of 94 remaining) [2022-12-13 11:54:40,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (71 of 94 remaining) [2022-12-13 11:54:40,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (70 of 94 remaining) [2022-12-13 11:54:40,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (69 of 94 remaining) [2022-12-13 11:54:40,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (68 of 94 remaining) [2022-12-13 11:54:40,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (67 of 94 remaining) [2022-12-13 11:54:40,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (66 of 94 remaining) [2022-12-13 11:54:40,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (65 of 94 remaining) [2022-12-13 11:54:40,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (64 of 94 remaining) [2022-12-13 11:54:40,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (63 of 94 remaining) [2022-12-13 11:54:40,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (62 of 94 remaining) [2022-12-13 11:54:40,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (61 of 94 remaining) [2022-12-13 11:54:40,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (60 of 94 remaining) [2022-12-13 11:54:40,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (59 of 94 remaining) [2022-12-13 11:54:40,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (58 of 94 remaining) [2022-12-13 11:54:40,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (57 of 94 remaining) [2022-12-13 11:54:40,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (56 of 94 remaining) [2022-12-13 11:54:40,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (55 of 94 remaining) [2022-12-13 11:54:40,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (54 of 94 remaining) [2022-12-13 11:54:40,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (53 of 94 remaining) [2022-12-13 11:54:40,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (52 of 94 remaining) [2022-12-13 11:54:40,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (51 of 94 remaining) [2022-12-13 11:54:40,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 94 remaining) [2022-12-13 11:54:40,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 94 remaining) [2022-12-13 11:54:40,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 94 remaining) [2022-12-13 11:54:40,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (47 of 94 remaining) [2022-12-13 11:54:40,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (46 of 94 remaining) [2022-12-13 11:54:40,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (45 of 94 remaining) [2022-12-13 11:54:40,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (44 of 94 remaining) [2022-12-13 11:54:40,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (43 of 94 remaining) [2022-12-13 11:54:40,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (42 of 94 remaining) [2022-12-13 11:54:40,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (41 of 94 remaining) [2022-12-13 11:54:40,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (40 of 94 remaining) [2022-12-13 11:54:40,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONDATA_RACE (39 of 94 remaining) [2022-12-13 11:54:40,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONDATA_RACE (38 of 94 remaining) [2022-12-13 11:54:40,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err2ASSERT_VIOLATIONDATA_RACE (37 of 94 remaining) [2022-12-13 11:54:40,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err3ASSERT_VIOLATIONDATA_RACE (36 of 94 remaining) [2022-12-13 11:54:40,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err4ASSERT_VIOLATIONDATA_RACE (35 of 94 remaining) [2022-12-13 11:54:40,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread6Err0ASSERT_VIOLATIONDATA_RACE (34 of 94 remaining) [2022-12-13 11:54:40,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread6Err1ASSERT_VIOLATIONDATA_RACE (33 of 94 remaining) [2022-12-13 11:54:40,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread6Err2ASSERT_VIOLATIONDATA_RACE (32 of 94 remaining) [2022-12-13 11:54:40,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread6Err3ASSERT_VIOLATIONDATA_RACE (31 of 94 remaining) [2022-12-13 11:54:40,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread6Err4ASSERT_VIOLATIONDATA_RACE (30 of 94 remaining) [2022-12-13 11:54:40,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (29 of 94 remaining) [2022-12-13 11:54:40,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (28 of 94 remaining) [2022-12-13 11:54:40,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (27 of 94 remaining) [2022-12-13 11:54:40,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (26 of 94 remaining) [2022-12-13 11:54:40,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (25 of 94 remaining) [2022-12-13 11:54:40,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (24 of 94 remaining) [2022-12-13 11:54:40,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (23 of 94 remaining) [2022-12-13 11:54:40,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (22 of 94 remaining) [2022-12-13 11:54:40,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (21 of 94 remaining) [2022-12-13 11:54:40,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (20 of 94 remaining) [2022-12-13 11:54:40,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (19 of 94 remaining) [2022-12-13 11:54:40,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (18 of 94 remaining) [2022-12-13 11:54:40,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (17 of 94 remaining) [2022-12-13 11:54:40,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (16 of 94 remaining) [2022-12-13 11:54:40,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (15 of 94 remaining) [2022-12-13 11:54:40,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (14 of 94 remaining) [2022-12-13 11:54:40,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (13 of 94 remaining) [2022-12-13 11:54:40,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (12 of 94 remaining) [2022-12-13 11:54:40,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (11 of 94 remaining) [2022-12-13 11:54:40,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (10 of 94 remaining) [2022-12-13 11:54:40,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONDATA_RACE (9 of 94 remaining) [2022-12-13 11:54:40,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONDATA_RACE (8 of 94 remaining) [2022-12-13 11:54:40,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err2ASSERT_VIOLATIONDATA_RACE (7 of 94 remaining) [2022-12-13 11:54:40,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err3ASSERT_VIOLATIONDATA_RACE (6 of 94 remaining) [2022-12-13 11:54:40,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err4ASSERT_VIOLATIONDATA_RACE (5 of 94 remaining) [2022-12-13 11:54:40,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread6Err0ASSERT_VIOLATIONDATA_RACE (4 of 94 remaining) [2022-12-13 11:54:40,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread6Err1ASSERT_VIOLATIONDATA_RACE (3 of 94 remaining) [2022-12-13 11:54:40,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread6Err2ASSERT_VIOLATIONDATA_RACE (2 of 94 remaining) [2022-12-13 11:54:40,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread6Err3ASSERT_VIOLATIONDATA_RACE (1 of 94 remaining) [2022-12-13 11:54:40,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread6Err4ASSERT_VIOLATIONDATA_RACE (0 of 94 remaining) [2022-12-13 11:54:40,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 11:54:40,118 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 11:54:40,123 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 11:54:40,123 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 11:54:40,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 11:54:40 BasicIcfg [2022-12-13 11:54:40,126 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 11:54:40,126 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:54:40,126 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:54:40,126 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:54:40,127 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:54:23" (3/4) ... [2022-12-13 11:54:40,129 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 11:54:40,133 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 11:54:40,133 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 11:54:40,133 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-12-13 11:54:40,134 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-12-13 11:54:40,134 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread5 [2022-12-13 11:54:40,134 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread6 [2022-12-13 11:54:40,138 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2022-12-13 11:54:40,138 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 11:54:40,139 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 11:54:40,139 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 11:54:40,173 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95de65-1ae2-4eb0-8b32-71e86b90e395/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 11:54:40,173 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:54:40,173 INFO L158 Benchmark]: Toolchain (without parser) took 17739.12ms. Allocated memory was 153.1MB in the beginning and 411.0MB in the end (delta: 257.9MB). Free memory was 118.2MB in the beginning and 153.2MB in the end (delta: -35.0MB). Peak memory consumption was 225.2MB. Max. memory is 16.1GB. [2022-12-13 11:54:40,174 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 109.1MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:54:40,174 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.00ms. Allocated memory is still 153.1MB. Free memory was 117.6MB in the beginning and 105.2MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 11:54:40,174 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.24ms. Allocated memory is still 153.1MB. Free memory was 105.2MB in the beginning and 102.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:54:40,174 INFO L158 Benchmark]: Boogie Preprocessor took 39.14ms. Allocated memory is still 153.1MB. Free memory was 102.7MB in the beginning and 100.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:54:40,174 INFO L158 Benchmark]: RCFGBuilder took 573.33ms. Allocated memory is still 153.1MB. Free memory was 100.6MB in the beginning and 71.2MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-12-13 11:54:40,175 INFO L158 Benchmark]: TraceAbstraction took 16849.54ms. Allocated memory was 153.1MB in the beginning and 411.0MB in the end (delta: 257.9MB). Free memory was 70.7MB in the beginning and 158.4MB in the end (delta: -87.8MB). Peak memory consumption was 231.5MB. Max. memory is 16.1GB. [2022-12-13 11:54:40,175 INFO L158 Benchmark]: Witness Printer took 46.86ms. Allocated memory is still 411.0MB. Free memory was 158.4MB in the beginning and 153.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 11:54:40,177 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 109.1MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 191.00ms. Allocated memory is still 153.1MB. Free memory was 117.6MB in the beginning and 105.2MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.24ms. Allocated memory is still 153.1MB. Free memory was 105.2MB in the beginning and 102.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.14ms. Allocated memory is still 153.1MB. Free memory was 102.7MB in the beginning and 100.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 573.33ms. Allocated memory is still 153.1MB. Free memory was 100.6MB in the beginning and 71.2MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 16849.54ms. Allocated memory was 153.1MB in the beginning and 411.0MB in the end (delta: 257.9MB). Free memory was 70.7MB in the beginning and 158.4MB in the end (delta: -87.8MB). Peak memory consumption was 231.5MB. Max. memory is 16.1GB. * Witness Printer took 46.86ms. Allocated memory is still 411.0MB. Free memory was 158.4MB in the beginning and 153.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.8s, 385 PlacesBefore, 113 PlacesAfterwards, 385 TransitionsBefore, 106 TransitionsAfterwards, 28704 CoEnabledTransitionPairs, 9 FixpointIterations, 209 TrivialSequentialCompositions, 214 ConcurrentSequentialCompositions, 20 TrivialYvCompositions, 20 ConcurrentYvCompositions, 7 ChoiceCompositions, 470 TotalNumberOfCompositions, 53093 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 30593, independent: 30248, independent conditional: 0, independent unconditional: 30248, dependent: 345, dependent conditional: 0, dependent unconditional: 345, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 17661, independent: 17600, independent conditional: 0, independent unconditional: 17600, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 30593, independent: 12648, independent conditional: 0, independent unconditional: 12648, dependent: 284, dependent conditional: 0, dependent unconditional: 284, unknown: 17661, unknown conditional: 0, unknown unconditional: 17661] , Statistics on independence cache: Total cache size (in pairs): 667, Positive cache size: 643, Positive conditional cache size: 0, Positive unconditional cache size: 643, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: 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 13 procedures, 539 locations, 94 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: 16.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 13.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 63 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 47 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 124 IncrementalHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 6 mSDtfsCounter, 124 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=248occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 58 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 11:54:40,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed95de65-1ae2-4eb0-8b32-71e86b90e395/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE