./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-sre-symm.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_d2170394-ad48-4f97-a196-bbddbc2da476/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2170394-ad48-4f97-a196-bbddbc2da476/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_d2170394-ad48-4f97-a196-bbddbc2da476/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2170394-ad48-4f97-a196-bbddbc2da476/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-sre-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2170394-ad48-4f97-a196-bbddbc2da476/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_d2170394-ad48-4f97-a196-bbddbc2da476/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 c361ebc03d879240d418527d643e8a7b3c7ac084ceb3e66857b21a687a1c7f90 --- 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 13:06:47,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:06:47,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:06:47,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:06:47,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:06:47,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:06:47,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:06:47,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:06:47,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:06:47,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:06:47,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:06:47,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:06:47,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:06:47,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:06:47,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:06:47,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:06:47,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:06:47,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:06:47,981 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:06:47,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:06:47,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:06:47,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:06:47,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:06:47,985 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:06:47,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:06:47,988 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:06:47,988 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:06:47,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:06:47,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:06:47,990 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:06:47,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:06:47,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:06:47,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:06:47,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:06:47,992 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:06:47,992 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:06:47,993 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:06:47,993 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:06:47,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:06:47,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:06:47,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:06:47,995 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2170394-ad48-4f97-a196-bbddbc2da476/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 13:06:48,009 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:06:48,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:06:48,010 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:06:48,010 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:06:48,010 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 13:06:48,010 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 13:06:48,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:06:48,011 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:06:48,011 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:06:48,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:06:48,011 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 13:06:48,011 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:06:48,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:06:48,012 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 13:06:48,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:06:48,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 13:06:48,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 13:06:48,012 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 13:06:48,012 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 13:06:48,012 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 13:06:48,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:06:48,013 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:06:48,013 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 13:06:48,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:06:48,013 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:06:48,013 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 13:06:48,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:06:48,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:06:48,014 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 13:06:48,014 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 13:06:48,014 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:06:48,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 13:06:48,014 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 13:06:48,014 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 13:06:48,014 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 13:06:48,014 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 13:06:48,015 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 13:06:48,015 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_d2170394-ad48-4f97-a196-bbddbc2da476/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2170394-ad48-4f97-a196-bbddbc2da476/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c361ebc03d879240d418527d643e8a7b3c7ac084ceb3e66857b21a687a1c7f90 [2022-12-13 13:06:48,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:06:48,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:06:48,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:06:48,200 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:06:48,201 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:06:48,202 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2170394-ad48-4f97-a196-bbddbc2da476/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/chl-sre-symm.wvr.c [2022-12-13 13:06:50,783 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:06:50,932 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:06:50,932 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2170394-ad48-4f97-a196-bbddbc2da476/sv-benchmarks/c/weaver/chl-sre-symm.wvr.c [2022-12-13 13:06:50,937 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2170394-ad48-4f97-a196-bbddbc2da476/bin/uautomizer-uyxdKDjOR8/data/91225a75e/4f53fe67e04946528a812e3eead6728d/FLAGdeff8e1c4 [2022-12-13 13:06:50,947 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2170394-ad48-4f97-a196-bbddbc2da476/bin/uautomizer-uyxdKDjOR8/data/91225a75e/4f53fe67e04946528a812e3eead6728d [2022-12-13 13:06:50,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:06:50,950 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:06:50,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:06:50,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:06:50,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:06:50,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:06:50" (1/1) ... [2022-12-13 13:06:50,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f1d409c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:06:50, skipping insertion in model container [2022-12-13 13:06:50,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:06:50" (1/1) ... [2022-12-13 13:06:50,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:06:50,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:06:51,102 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_d2170394-ad48-4f97-a196-bbddbc2da476/sv-benchmarks/c/weaver/chl-sre-symm.wvr.c[2133,2146] [2022-12-13 13:06:51,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:06:51,110 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:06:51,126 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_d2170394-ad48-4f97-a196-bbddbc2da476/sv-benchmarks/c/weaver/chl-sre-symm.wvr.c[2133,2146] [2022-12-13 13:06:51,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:06:51,137 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:06:51,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:06:51 WrapperNode [2022-12-13 13:06:51,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:06:51,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:06:51,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:06:51,138 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:06:51,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:06:51" (1/1) ... [2022-12-13 13:06:51,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:06:51" (1/1) ... [2022-12-13 13:06:51,164 INFO L138 Inliner]: procedures = 21, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 102 [2022-12-13 13:06:51,164 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:06:51,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:06:51,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:06:51,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:06:51,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:06:51" (1/1) ... [2022-12-13 13:06:51,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:06:51" (1/1) ... [2022-12-13 13:06:51,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:06:51" (1/1) ... [2022-12-13 13:06:51,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:06:51" (1/1) ... [2022-12-13 13:06:51,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:06:51" (1/1) ... [2022-12-13 13:06:51,180 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:06:51" (1/1) ... [2022-12-13 13:06:51,181 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:06:51" (1/1) ... [2022-12-13 13:06:51,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:06:51" (1/1) ... [2022-12-13 13:06:51,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:06:51,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:06:51,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:06:51,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:06:51,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:06:51" (1/1) ... [2022-12-13 13:06:51,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 13:06:51,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2170394-ad48-4f97-a196-bbddbc2da476/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:06:51,207 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2170394-ad48-4f97-a196-bbddbc2da476/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 13:06:51,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2170394-ad48-4f97-a196-bbddbc2da476/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 13:06:51,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:06:51,236 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 13:06:51,236 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 13:06:51,236 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 13:06:51,236 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 13:06:51,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:06:51,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 13:06:51,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 13:06:51,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:06:51,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:06:51,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 13:06:51,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 13:06:51,238 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 13:06:51,311 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:06:51,313 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:06:51,537 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:06:51,545 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:06:51,545 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 13:06:51,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:06:51 BoogieIcfgContainer [2022-12-13 13:06:51,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:06:51,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 13:06:51,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 13:06:51,551 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 13:06:51,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 01:06:50" (1/3) ... [2022-12-13 13:06:51,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35e9d01c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:06:51, skipping insertion in model container [2022-12-13 13:06:51,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:06:51" (2/3) ... [2022-12-13 13:06:51,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35e9d01c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 01:06:51, skipping insertion in model container [2022-12-13 13:06:51,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:06:51" (3/3) ... [2022-12-13 13:06:51,553 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-sre-symm.wvr.c [2022-12-13 13:06:51,560 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 13:06:51,567 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 13:06:51,568 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-12-13 13:06:51,568 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 13:06:51,622 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 13:06:51,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 173 places, 174 transitions, 364 flow [2022-12-13 13:06:51,694 INFO L130 PetriNetUnfolder]: 8/172 cut-off events. [2022-12-13 13:06:51,695 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 13:06:51,699 INFO L83 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 172 events. 8/172 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 178 event pairs, 0 based on Foata normal form. 0/146 useless extension candidates. Maximal degree in co-relation 99. Up to 2 conditions per place. [2022-12-13 13:06:51,699 INFO L82 GeneralOperation]: Start removeDead. Operand has 173 places, 174 transitions, 364 flow [2022-12-13 13:06:51,703 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 152 places, 151 transitions, 314 flow [2022-12-13 13:06:51,706 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 13:06:51,713 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 151 transitions, 314 flow [2022-12-13 13:06:51,715 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 151 transitions, 314 flow [2022-12-13 13:06:51,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 152 places, 151 transitions, 314 flow [2022-12-13 13:06:51,739 INFO L130 PetriNetUnfolder]: 6/151 cut-off events. [2022-12-13 13:06:51,739 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 13:06:51,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 160 conditions, 151 events. 6/151 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 167 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2022-12-13 13:06:51,741 INFO L119 LiptonReduction]: Number of co-enabled transitions 2420 [2022-12-13 13:06:54,563 INFO L134 LiptonReduction]: Checked pairs total: 8929 [2022-12-13 13:06:54,563 INFO L136 LiptonReduction]: Total number of compositions: 155 [2022-12-13 13:06:54,577 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 13:06:54,583 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;@10bd83ae, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 13:06:54,583 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-12-13 13:06:54,585 INFO L130 PetriNetUnfolder]: 0/1 cut-off events. [2022-12-13 13:06:54,585 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 13:06:54,585 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:06:54,585 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 13:06:54,586 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:06:54,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:06:54,589 INFO L85 PathProgramCache]: Analyzing trace with hash 607, now seen corresponding path program 1 times [2022-12-13 13:06:54,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:06:54,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790198845] [2022-12-13 13:06:54,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:06:54,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:06:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:06:54,662 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 13:06:54,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:06:54,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790198845] [2022-12-13 13:06:54,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790198845] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:06:54,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:06:54,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 13:06:54,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712168096] [2022-12-13 13:06:54,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:06:54,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 13:06:54,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:06:54,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 13:06:54,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 13:06:54,687 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 329 [2022-12-13 13:06:54,689 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 42 transitions, 96 flow. Second operand has 2 states, 2 states have (on average 166.5) internal successors, (333), 2 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:06:54,689 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:06:54,689 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 329 [2022-12-13 13:06:54,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:06:54,739 INFO L130 PetriNetUnfolder]: 65/144 cut-off events. [2022-12-13 13:06:54,739 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-12-13 13:06:54,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 278 conditions, 144 events. 65/144 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 626 event pairs, 45 based on Foata normal form. 1/121 useless extension candidates. Maximal degree in co-relation 229. Up to 116 conditions per place. [2022-12-13 13:06:54,742 INFO L137 encePairwiseOnDemand]: 318/329 looper letters, 15 selfloop transitions, 0 changer transitions 1/31 dead transitions. [2022-12-13 13:06:54,742 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 31 transitions, 106 flow [2022-12-13 13:06:54,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 13:06:54,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 13:06:54,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 359 transitions. [2022-12-13 13:06:54,752 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5455927051671733 [2022-12-13 13:06:54,753 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 359 transitions. [2022-12-13 13:06:54,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 359 transitions. [2022-12-13 13:06:54,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:06:54,756 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 359 transitions. [2022-12-13 13:06:54,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 179.5) internal successors, (359), 2 states have internal predecessors, (359), 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 13:06:54,762 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 329.0) internal successors, (987), 3 states have internal predecessors, (987), 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 13:06:54,763 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 329.0) internal successors, (987), 3 states have internal predecessors, (987), 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 13:06:54,764 INFO L175 Difference]: Start difference. First operand has 47 places, 42 transitions, 96 flow. Second operand 2 states and 359 transitions. [2022-12-13 13:06:54,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 31 transitions, 106 flow [2022-12-13 13:06:54,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 31 transitions, 98 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 13:06:54,767 INFO L231 Difference]: Finished difference. Result has 33 places, 30 transitions, 63 flow [2022-12-13 13:06:54,769 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=329, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=63, PETRI_PLACES=33, PETRI_TRANSITIONS=30} [2022-12-13 13:06:54,771 INFO L288 CegarLoopForPetriNet]: 47 programPoint places, -14 predicate places. [2022-12-13 13:06:54,772 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 30 transitions, 63 flow [2022-12-13 13:06:54,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 166.5) internal successors, (333), 2 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:06:54,772 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:06:54,772 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-13 13:06:54,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 13:06:54,772 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:06:54,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:06:54,773 INFO L85 PathProgramCache]: Analyzing trace with hash 18561319, now seen corresponding path program 1 times [2022-12-13 13:06:54,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:06:54,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089097604] [2022-12-13 13:06:54,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:06:54,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:06:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:06:54,825 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 13:06:54,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:06:54,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089097604] [2022-12-13 13:06:54,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089097604] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:06:54,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:06:54,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:06:54,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468931231] [2022-12-13 13:06:54,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:06:54,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:06:54,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:06:54,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:06:54,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:06:54,843 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 329 [2022-12-13 13:06:54,844 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 30 transitions, 63 flow. Second operand has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 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 13:06:54,844 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:06:54,844 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 329 [2022-12-13 13:06:54,844 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:06:54,898 INFO L130 PetriNetUnfolder]: 133/258 cut-off events. [2022-12-13 13:06:54,898 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-12-13 13:06:54,899 INFO L83 FinitePrefix]: Finished finitePrefix Result has 498 conditions, 258 events. 133/258 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 986 event pairs, 50 based on Foata normal form. 0/233 useless extension candidates. Maximal degree in co-relation 495. Up to 225 conditions per place. [2022-12-13 13:06:54,899 INFO L137 encePairwiseOnDemand]: 324/329 looper letters, 22 selfloop transitions, 2 changer transitions 0/32 dead transitions. [2022-12-13 13:06:54,899 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 32 transitions, 116 flow [2022-12-13 13:06:54,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:06:54,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 13:06:54,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 495 transitions. [2022-12-13 13:06:54,902 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5015197568389058 [2022-12-13 13:06:54,902 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 495 transitions. [2022-12-13 13:06:54,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 495 transitions. [2022-12-13 13:06:54,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:06:54,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 495 transitions. [2022-12-13 13:06:54,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 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 13:06:54,905 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 329.0) internal successors, (1316), 4 states have internal predecessors, (1316), 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 13:06:54,906 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 329.0) internal successors, (1316), 4 states have internal predecessors, (1316), 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 13:06:54,906 INFO L175 Difference]: Start difference. First operand has 33 places, 30 transitions, 63 flow. Second operand 3 states and 495 transitions. [2022-12-13 13:06:54,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 32 transitions, 116 flow [2022-12-13 13:06:54,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 32 transitions, 116 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 13:06:54,907 INFO L231 Difference]: Finished difference. Result has 32 places, 29 transitions, 71 flow [2022-12-13 13:06:54,907 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=329, PETRI_DIFFERENCE_MINUEND_FLOW=57, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=71, PETRI_PLACES=32, PETRI_TRANSITIONS=29} [2022-12-13 13:06:54,907 INFO L288 CegarLoopForPetriNet]: 47 programPoint places, -15 predicate places. [2022-12-13 13:06:54,907 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 29 transitions, 71 flow [2022-12-13 13:06:54,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 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 13:06:54,908 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:06:54,908 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 13:06:54,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 13:06:54,908 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:06:54,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:06:54,908 INFO L85 PathProgramCache]: Analyzing trace with hash 657571529, now seen corresponding path program 1 times [2022-12-13 13:06:54,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:06:54,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347318769] [2022-12-13 13:06:54,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:06:54,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:06:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:06:54,946 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 13:06:54,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:06:54,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347318769] [2022-12-13 13:06:54,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347318769] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:06:54,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:06:54,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:06:54,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46066449] [2022-12-13 13:06:54,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:06:54,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:06:54,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:06:54,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:06:54,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:06:54,962 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 329 [2022-12-13 13:06:54,963 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 29 transitions, 71 flow. Second operand has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 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 13:06:54,963 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:06:54,963 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 329 [2022-12-13 13:06:54,963 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:06:55,016 INFO L130 PetriNetUnfolder]: 140/277 cut-off events. [2022-12-13 13:06:55,016 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-12-13 13:06:55,017 INFO L83 FinitePrefix]: Finished finitePrefix Result has 549 conditions, 277 events. 140/277 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1087 event pairs, 50 based on Foata normal form. 0/261 useless extension candidates. Maximal degree in co-relation 545. Up to 236 conditions per place. [2022-12-13 13:06:55,018 INFO L137 encePairwiseOnDemand]: 324/329 looper letters, 19 selfloop transitions, 2 changer transitions 3/31 dead transitions. [2022-12-13 13:06:55,019 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 31 transitions, 124 flow [2022-12-13 13:06:55,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:06:55,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 13:06:55,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 495 transitions. [2022-12-13 13:06:55,021 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5015197568389058 [2022-12-13 13:06:55,021 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 495 transitions. [2022-12-13 13:06:55,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 495 transitions. [2022-12-13 13:06:55,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:06:55,022 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 495 transitions. [2022-12-13 13:06:55,023 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 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 13:06:55,026 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 329.0) internal successors, (1316), 4 states have internal predecessors, (1316), 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 13:06:55,026 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 329.0) internal successors, (1316), 4 states have internal predecessors, (1316), 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 13:06:55,026 INFO L175 Difference]: Start difference. First operand has 32 places, 29 transitions, 71 flow. Second operand 3 states and 495 transitions. [2022-12-13 13:06:55,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 31 transitions, 124 flow [2022-12-13 13:06:55,027 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 31 transitions, 124 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 13:06:55,027 INFO L231 Difference]: Finished difference. Result has 32 places, 25 transitions, 72 flow [2022-12-13 13:06:55,027 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=329, PETRI_DIFFERENCE_MINUEND_FLOW=65, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=72, PETRI_PLACES=32, PETRI_TRANSITIONS=25} [2022-12-13 13:06:55,028 INFO L288 CegarLoopForPetriNet]: 47 programPoint places, -15 predicate places. [2022-12-13 13:06:55,028 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 25 transitions, 72 flow [2022-12-13 13:06:55,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 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 13:06:55,029 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 13:06:55,029 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:06:55,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 13:06:55,029 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2022-12-13 13:06:55,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:06:55,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1090113975, now seen corresponding path program 1 times [2022-12-13 13:06:55,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:06:55,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756713777] [2022-12-13 13:06:55,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:06:55,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:06:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:06:55,071 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 13:06:55,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:06:55,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756713777] [2022-12-13 13:06:55,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756713777] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:06:55,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:06:55,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 13:06:55,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831748750] [2022-12-13 13:06:55,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:06:55,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 13:06:55,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:06:55,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 13:06:55,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 13:06:55,090 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 329 [2022-12-13 13:06:55,091 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 25 transitions, 72 flow. Second operand has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 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 13:06:55,091 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 13:06:55,091 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 329 [2022-12-13 13:06:55,091 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 13:06:55,136 INFO L130 PetriNetUnfolder]: 55/116 cut-off events. [2022-12-13 13:06:55,136 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 13:06:55,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 116 events. 55/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 414 event pairs, 21 based on Foata normal form. 10/111 useless extension candidates. Maximal degree in co-relation 231. Up to 63 conditions per place. [2022-12-13 13:06:55,137 INFO L137 encePairwiseOnDemand]: 326/329 looper letters, 0 selfloop transitions, 0 changer transitions 31/31 dead transitions. [2022-12-13 13:06:55,137 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 31 transitions, 123 flow [2022-12-13 13:06:55,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 13:06:55,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 13:06:55,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 494 transitions. [2022-12-13 13:06:55,139 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5005065856129686 [2022-12-13 13:06:55,139 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 494 transitions. [2022-12-13 13:06:55,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 494 transitions. [2022-12-13 13:06:55,139 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:06:55,140 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 494 transitions. [2022-12-13 13:06:55,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 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 13:06:55,143 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 329.0) internal successors, (1316), 4 states have internal predecessors, (1316), 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 13:06:55,144 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 329.0) internal successors, (1316), 4 states have internal predecessors, (1316), 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 13:06:55,144 INFO L175 Difference]: Start difference. First operand has 32 places, 25 transitions, 72 flow. Second operand 3 states and 494 transitions. [2022-12-13 13:06:55,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 31 transitions, 123 flow [2022-12-13 13:06:55,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 31 transitions, 123 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 13:06:55,145 INFO L231 Difference]: Finished difference. Result has 30 places, 0 transitions, 0 flow [2022-12-13 13:06:55,145 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=329, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=30, PETRI_TRANSITIONS=0} [2022-12-13 13:06:55,146 INFO L288 CegarLoopForPetriNet]: 47 programPoint places, -17 predicate places. [2022-12-13 13:06:55,146 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 0 transitions, 0 flow [2022-12-13 13:06:55,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 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 13:06:55,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (27 of 28 remaining) [2022-12-13 13:06:55,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (26 of 28 remaining) [2022-12-13 13:06:55,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (25 of 28 remaining) [2022-12-13 13:06:55,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (24 of 28 remaining) [2022-12-13 13:06:55,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (23 of 28 remaining) [2022-12-13 13:06:55,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (22 of 28 remaining) [2022-12-13 13:06:55,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (21 of 28 remaining) [2022-12-13 13:06:55,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (20 of 28 remaining) [2022-12-13 13:06:55,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (19 of 28 remaining) [2022-12-13 13:06:55,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 28 remaining) [2022-12-13 13:06:55,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 28 remaining) [2022-12-13 13:06:55,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (16 of 28 remaining) [2022-12-13 13:06:55,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (15 of 28 remaining) [2022-12-13 13:06:55,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 28 remaining) [2022-12-13 13:06:55,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (13 of 28 remaining) [2022-12-13 13:06:55,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (12 of 28 remaining) [2022-12-13 13:06:55,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (11 of 28 remaining) [2022-12-13 13:06:55,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (10 of 28 remaining) [2022-12-13 13:06:55,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 28 remaining) [2022-12-13 13:06:55,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 28 remaining) [2022-12-13 13:06:55,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (7 of 28 remaining) [2022-12-13 13:06:55,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (6 of 28 remaining) [2022-12-13 13:06:55,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (5 of 28 remaining) [2022-12-13 13:06:55,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (4 of 28 remaining) [2022-12-13 13:06:55,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (3 of 28 remaining) [2022-12-13 13:06:55,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (2 of 28 remaining) [2022-12-13 13:06:55,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (1 of 28 remaining) [2022-12-13 13:06:55,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (0 of 28 remaining) [2022-12-13 13:06:55,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 13:06:55,154 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-13 13:06:55,160 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 13:06:55,160 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 13:06:55,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 01:06:55 BasicIcfg [2022-12-13 13:06:55,164 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 13:06:55,164 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:06:55,164 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:06:55,165 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:06:55,165 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:06:51" (3/4) ... [2022-12-13 13:06:55,167 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 13:06:55,173 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 13:06:55,173 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 13:06:55,178 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-12-13 13:06:55,178 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 13:06:55,178 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 13:06:55,178 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 13:06:55,214 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2170394-ad48-4f97-a196-bbddbc2da476/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 13:06:55,215 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:06:55,215 INFO L158 Benchmark]: Toolchain (without parser) took 4264.97ms. Allocated memory is still 165.7MB. Free memory was 131.1MB in the beginning and 124.0MB in the end (delta: 7.1MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2022-12-13 13:06:55,215 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 115.3MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:06:55,216 INFO L158 Benchmark]: CACSL2BoogieTranslator took 186.36ms. Allocated memory is still 165.7MB. Free memory was 130.6MB in the beginning and 119.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 13:06:55,216 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.01ms. Allocated memory is still 165.7MB. Free memory was 119.6MB in the beginning and 118.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:06:55,216 INFO L158 Benchmark]: Boogie Preprocessor took 19.29ms. Allocated memory is still 165.7MB. Free memory was 118.0MB in the beginning and 116.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:06:55,217 INFO L158 Benchmark]: RCFGBuilder took 362.59ms. Allocated memory is still 165.7MB. Free memory was 116.4MB in the beginning and 99.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 13:06:55,217 INFO L158 Benchmark]: TraceAbstraction took 3615.26ms. Allocated memory is still 165.7MB. Free memory was 98.7MB in the beginning and 128.2MB in the end (delta: -29.5MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2022-12-13 13:06:55,217 INFO L158 Benchmark]: Witness Printer took 50.40ms. Allocated memory is still 165.7MB. Free memory was 128.2MB in the beginning and 124.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 13:06:55,219 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 115.3MB. Free memory is still 90.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 186.36ms. Allocated memory is still 165.7MB. Free memory was 130.6MB in the beginning and 119.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.01ms. Allocated memory is still 165.7MB. Free memory was 119.6MB in the beginning and 118.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.29ms. Allocated memory is still 165.7MB. Free memory was 118.0MB in the beginning and 116.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 362.59ms. Allocated memory is still 165.7MB. Free memory was 116.4MB in the beginning and 99.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3615.26ms. Allocated memory is still 165.7MB. Free memory was 98.7MB in the beginning and 128.2MB in the end (delta: -29.5MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. * Witness Printer took 50.40ms. Allocated memory is still 165.7MB. Free memory was 128.2MB in the beginning and 124.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.8s, 152 PlacesBefore, 47 PlacesAfterwards, 151 TransitionsBefore, 42 TransitionsAfterwards, 2420 CoEnabledTransitionPairs, 8 FixpointIterations, 93 TrivialSequentialCompositions, 42 ConcurrentSequentialCompositions, 10 TrivialYvCompositions, 6 ConcurrentYvCompositions, 4 ChoiceCompositions, 155 TotalNumberOfCompositions, 8929 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4971, independent: 4649, independent conditional: 0, independent unconditional: 4649, dependent: 322, dependent conditional: 0, dependent unconditional: 322, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1343, independent: 1315, independent conditional: 0, independent unconditional: 1315, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4971, independent: 3334, independent conditional: 0, independent unconditional: 3334, dependent: 294, dependent conditional: 0, dependent unconditional: 294, unknown: 1343, unknown conditional: 0, unknown unconditional: 1343] , Statistics on independence cache: Total cache size (in pairs): 190, Positive cache size: 172, Positive conditional cache size: 0, Positive unconditional cache size: 172, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 213 locations, 28 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 111 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 51 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 133 IncrementalHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 21 mSDtfsCounter, 133 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 18 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 13:06:55,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2170394-ad48-4f97-a196-bbddbc2da476/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