./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-time-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c852e22-ddce-4226-9447-3a9ce1a9e211/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c852e22-ddce-4226-9447-3a9ce1a9e211/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c852e22-ddce-4226-9447-3a9ce1a9e211/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c852e22-ddce-4226-9447-3a9ce1a9e211/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-time-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c852e22-ddce-4226-9447-3a9ce1a9e211/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c852e22-ddce-4226-9447-3a9ce1a9e211/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f2d05599d6fce1204a0d86fe3e19cae407be0ec265e139da4f0fd53a7d101655 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:16:18,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:16:18,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:16:18,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:16:18,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:16:18,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:16:18,051 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:16:18,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:16:18,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:16:18,056 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:16:18,057 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:16:18,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:16:18,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:16:18,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:16:18,062 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:16:18,063 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:16:18,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:16:18,065 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:16:18,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:16:18,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:16:18,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:16:18,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:16:18,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:16:18,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:16:18,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:16:18,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:16:18,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:16:18,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:16:18,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:16:18,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:16:18,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:16:18,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:16:18,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:16:18,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:16:18,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:16:18,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:16:18,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:16:18,106 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:16:18,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:16:18,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:16:18,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:16:18,109 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c852e22-ddce-4226-9447-3a9ce1a9e211/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 20:16:18,150 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:16:18,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:16:18,151 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:16:18,151 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:16:18,152 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:16:18,152 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:16:18,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:16:18,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:16:18,154 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:16:18,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:16:18,155 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:16:18,155 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:16:18,156 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:16:18,156 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:16:18,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:16:18,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:16:18,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:16:18,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:16:18,157 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 20:16:18,157 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:16:18,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:16:18,157 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:16:18,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:16:18,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:16:18,158 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:16:18,158 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:16:18,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:16:18,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:16:18,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:16:18,161 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:16:18,161 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:16:18,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:16:18,161 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:16:18,162 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:16:18,162 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:16:18,162 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c852e22-ddce-4226-9447-3a9ce1a9e211/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c852e22-ddce-4226-9447-3a9ce1a9e211/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2d05599d6fce1204a0d86fe3e19cae407be0ec265e139da4f0fd53a7d101655 [2022-11-18 20:16:18,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:16:18,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:16:18,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:16:18,506 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:16:18,507 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:16:18,508 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c852e22-ddce-4226-9447-3a9ce1a9e211/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/weaver/chl-time-trans.wvr.c [2022-11-18 20:16:18,582 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c852e22-ddce-4226-9447-3a9ce1a9e211/bin/uautomizer-TMbwUNV5ro/data/560fbe042/94b3788f2e7e48eaa9a8dc35d7ea7a89/FLAG577d74b7f [2022-11-18 20:16:19,134 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:16:19,135 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c852e22-ddce-4226-9447-3a9ce1a9e211/sv-benchmarks/c/weaver/chl-time-trans.wvr.c [2022-11-18 20:16:19,143 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c852e22-ddce-4226-9447-3a9ce1a9e211/bin/uautomizer-TMbwUNV5ro/data/560fbe042/94b3788f2e7e48eaa9a8dc35d7ea7a89/FLAG577d74b7f [2022-11-18 20:16:19,471 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c852e22-ddce-4226-9447-3a9ce1a9e211/bin/uautomizer-TMbwUNV5ro/data/560fbe042/94b3788f2e7e48eaa9a8dc35d7ea7a89 [2022-11-18 20:16:19,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:16:19,475 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:16:19,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:16:19,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:16:19,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:16:19,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:16:19" (1/1) ... [2022-11-18 20:16:19,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37bf32fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:16:19, skipping insertion in model container [2022-11-18 20:16:19,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:16:19" (1/1) ... [2022-11-18 20:16:19,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:16:19,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:16:19,783 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c852e22-ddce-4226-9447-3a9ce1a9e211/sv-benchmarks/c/weaver/chl-time-trans.wvr.c[2836,2849] [2022-11-18 20:16:19,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:16:19,807 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:16:19,862 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c852e22-ddce-4226-9447-3a9ce1a9e211/sv-benchmarks/c/weaver/chl-time-trans.wvr.c[2836,2849] [2022-11-18 20:16:19,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:16:19,891 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:16:19,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:16:19 WrapperNode [2022-11-18 20:16:19,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:16:19,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:16:19,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:16:19,894 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:16:19,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:16:19" (1/1) ... [2022-11-18 20:16:19,911 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:16:19" (1/1) ... [2022-11-18 20:16:19,952 INFO L138 Inliner]: procedures = 23, calls = 39, calls flagged for inlining = 11, calls inlined = 21, statements flattened = 339 [2022-11-18 20:16:19,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:16:19,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:16:19,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:16:19,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:16:19,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:16:19" (1/1) ... [2022-11-18 20:16:19,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:16:19" (1/1) ... [2022-11-18 20:16:19,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:16:19" (1/1) ... [2022-11-18 20:16:19,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:16:19" (1/1) ... [2022-11-18 20:16:19,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:16:19" (1/1) ... [2022-11-18 20:16:20,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:16:19" (1/1) ... [2022-11-18 20:16:20,019 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:16:19" (1/1) ... [2022-11-18 20:16:20,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:16:19" (1/1) ... [2022-11-18 20:16:20,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:16:20,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:16:20,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:16:20,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:16:20,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:16:19" (1/1) ... [2022-11-18 20:16:20,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:16:20,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c852e22-ddce-4226-9447-3a9ce1a9e211/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:16:20,067 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c852e22-ddce-4226-9447-3a9ce1a9e211/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:16:20,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c852e22-ddce-4226-9447-3a9ce1a9e211/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:16:20,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:16:20,112 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-18 20:16:20,112 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-18 20:16:20,112 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-18 20:16:20,113 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-18 20:16:20,113 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-18 20:16:20,114 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-18 20:16:20,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:16:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:16:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:16:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-18 20:16:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-18 20:16:20,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:16:20,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:16:20,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:16:20,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:16:20,118 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 20:16:20,281 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:16:20,283 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:16:20,967 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:16:21,488 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:16:21,488 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:16:21,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:16:21 BoogieIcfgContainer [2022-11-18 20:16:21,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:16:21,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:16:21,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:16:21,499 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:16:21,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:16:19" (1/3) ... [2022-11-18 20:16:21,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e13d2b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:16:21, skipping insertion in model container [2022-11-18 20:16:21,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:16:19" (2/3) ... [2022-11-18 20:16:21,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e13d2b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:16:21, skipping insertion in model container [2022-11-18 20:16:21,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:16:21" (3/3) ... [2022-11-18 20:16:21,503 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-time-trans.wvr.c [2022-11-18 20:16:21,513 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 20:16:21,524 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:16:21,524 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2022-11-18 20:16:21,524 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 20:16:21,652 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-18 20:16:21,703 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 222 places, 215 transitions, 454 flow [2022-11-18 20:16:21,817 INFO L130 PetriNetUnfolder]: 3/212 cut-off events. [2022-11-18 20:16:21,818 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-18 20:16:21,822 INFO L83 FinitePrefix]: Finished finitePrefix Result has 225 conditions, 212 events. 3/212 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 166 event pairs, 0 based on Foata normal form. 0/170 useless extension candidates. Maximal degree in co-relation 81. Up to 2 conditions per place. [2022-11-18 20:16:21,822 INFO L82 GeneralOperation]: Start removeDead. Operand has 222 places, 215 transitions, 454 flow [2022-11-18 20:16:21,834 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 197 places, 188 transitions, 394 flow [2022-11-18 20:16:21,852 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:16:21,862 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;@14bd1d6b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:16:21,863 INFO L358 AbstractCegarLoop]: Starting to check reachability of 66 error locations. [2022-11-18 20:16:21,873 INFO L130 PetriNetUnfolder]: 0/28 cut-off events. [2022-11-18 20:16:21,873 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:16:21,874 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:16:21,874 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:16:21,875 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2022-11-18 20:16:21,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:16:21,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1798016727, now seen corresponding path program 1 times [2022-11-18 20:16:21,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:16:21,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905353373] [2022-11-18 20:16:21,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:16:21,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:16:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:22,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:16:22,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:16:22,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905353373] [2022-11-18 20:16:22,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905353373] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:16:22,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:16:22,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:16:22,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40673316] [2022-11-18 20:16:22,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:16:22,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:16:22,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:16:22,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:16:22,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:16:22,215 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 215 [2022-11-18 20:16:22,219 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 188 transitions, 394 flow. Second operand has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:22,219 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:16:22,219 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 215 [2022-11-18 20:16:22,220 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:16:22,358 INFO L130 PetriNetUnfolder]: 16/214 cut-off events. [2022-11-18 20:16:22,358 INFO L131 PetriNetUnfolder]: For 34/41 co-relation queries the response was YES. [2022-11-18 20:16:22,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 281 conditions, 214 events. 16/214 cut-off events. For 34/41 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 238 event pairs, 15 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 143. Up to 40 conditions per place. [2022-11-18 20:16:22,364 INFO L137 encePairwiseOnDemand]: 188/215 looper letters, 12 selfloop transitions, 2 changer transitions 0/163 dead transitions. [2022-11-18 20:16:22,365 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 163 transitions, 372 flow [2022-11-18 20:16:22,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:16:22,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:16:22,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 561 transitions. [2022-11-18 20:16:22,388 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8697674418604651 [2022-11-18 20:16:22,389 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 561 transitions. [2022-11-18 20:16:22,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 561 transitions. [2022-11-18 20:16:22,394 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:16:22,397 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 561 transitions. [2022-11-18 20:16:22,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:22,406 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:22,407 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:22,409 INFO L175 Difference]: Start difference. First operand has 197 places, 188 transitions, 394 flow. Second operand 3 states and 561 transitions. [2022-11-18 20:16:22,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 163 transitions, 372 flow [2022-11-18 20:16:22,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 163 transitions, 360 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-18 20:16:22,418 INFO L231 Difference]: Finished difference. Result has 168 places, 163 transitions, 336 flow [2022-11-18 20:16:22,420 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=336, PETRI_PLACES=168, PETRI_TRANSITIONS=163} [2022-11-18 20:16:22,424 INFO L288 CegarLoopForPetriNet]: 197 programPoint places, -29 predicate places. [2022-11-18 20:16:22,424 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 163 transitions, 336 flow [2022-11-18 20:16:22,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:22,425 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:16:22,425 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:16:22,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:16:22,426 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2022-11-18 20:16:22,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:16:22,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1748913727, now seen corresponding path program 1 times [2022-11-18 20:16:22,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:16:22,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167871857] [2022-11-18 20:16:22,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:16:22,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:16:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:22,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:16:22,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:16:22,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167871857] [2022-11-18 20:16:22,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167871857] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:16:22,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:16:22,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:16:22,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086439440] [2022-11-18 20:16:22,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:16:22,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:16:22,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:16:22,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:16:22,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:16:22,495 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 215 [2022-11-18 20:16:22,496 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 163 transitions, 336 flow. Second operand has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:22,497 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:16:22,497 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 215 [2022-11-18 20:16:22,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:16:22,622 INFO L130 PetriNetUnfolder]: 16/213 cut-off events. [2022-11-18 20:16:22,622 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 20:16:22,623 INFO L83 FinitePrefix]: Finished finitePrefix Result has 266 conditions, 213 events. 16/213 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 240 event pairs, 15 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 229. Up to 40 conditions per place. [2022-11-18 20:16:22,624 INFO L137 encePairwiseOnDemand]: 212/215 looper letters, 12 selfloop transitions, 2 changer transitions 0/162 dead transitions. [2022-11-18 20:16:22,625 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 162 transitions, 362 flow [2022-11-18 20:16:22,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:16:22,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:16:22,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 537 transitions. [2022-11-18 20:16:22,628 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8325581395348837 [2022-11-18 20:16:22,628 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 537 transitions. [2022-11-18 20:16:22,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 537 transitions. [2022-11-18 20:16:22,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:16:22,629 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 537 transitions. [2022-11-18 20:16:22,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:22,634 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:22,635 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:22,635 INFO L175 Difference]: Start difference. First operand has 168 places, 163 transitions, 336 flow. Second operand 3 states and 537 transitions. [2022-11-18 20:16:22,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 162 transitions, 362 flow [2022-11-18 20:16:22,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 162 transitions, 358 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:16:22,643 INFO L231 Difference]: Finished difference. Result has 167 places, 162 transitions, 334 flow [2022-11-18 20:16:22,644 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=334, PETRI_PLACES=167, PETRI_TRANSITIONS=162} [2022-11-18 20:16:22,645 INFO L288 CegarLoopForPetriNet]: 197 programPoint places, -30 predicate places. [2022-11-18 20:16:22,646 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 162 transitions, 334 flow [2022-11-18 20:16:22,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:22,646 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:16:22,647 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:16:22,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:16:22,647 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2022-11-18 20:16:22,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:16:22,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1838071801, now seen corresponding path program 1 times [2022-11-18 20:16:22,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:16:22,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230499791] [2022-11-18 20:16:22,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:16:22,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:16:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:22,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:16:22,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:16:22,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230499791] [2022-11-18 20:16:22,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230499791] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:16:22,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:16:22,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:16:22,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997597345] [2022-11-18 20:16:22,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:16:22,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:16:22,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:16:22,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:16:22,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:16:22,757 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 215 [2022-11-18 20:16:22,758 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 162 transitions, 334 flow. Second operand has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:22,758 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:16:22,758 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 215 [2022-11-18 20:16:22,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:16:22,888 INFO L130 PetriNetUnfolder]: 16/212 cut-off events. [2022-11-18 20:16:22,888 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 20:16:22,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 265 conditions, 212 events. 16/212 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 242 event pairs, 15 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 221. Up to 40 conditions per place. [2022-11-18 20:16:22,891 INFO L137 encePairwiseOnDemand]: 212/215 looper letters, 12 selfloop transitions, 2 changer transitions 0/161 dead transitions. [2022-11-18 20:16:22,891 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 161 transitions, 360 flow [2022-11-18 20:16:22,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:16:22,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:16:22,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 537 transitions. [2022-11-18 20:16:22,895 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8325581395348837 [2022-11-18 20:16:22,896 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 537 transitions. [2022-11-18 20:16:22,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 537 transitions. [2022-11-18 20:16:22,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:16:22,896 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 537 transitions. [2022-11-18 20:16:22,899 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:22,901 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:22,901 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:22,901 INFO L175 Difference]: Start difference. First operand has 167 places, 162 transitions, 334 flow. Second operand 3 states and 537 transitions. [2022-11-18 20:16:22,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 161 transitions, 360 flow [2022-11-18 20:16:22,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 161 transitions, 356 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:16:22,909 INFO L231 Difference]: Finished difference. Result has 166 places, 161 transitions, 332 flow [2022-11-18 20:16:22,909 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=332, PETRI_PLACES=166, PETRI_TRANSITIONS=161} [2022-11-18 20:16:22,913 INFO L288 CegarLoopForPetriNet]: 197 programPoint places, -31 predicate places. [2022-11-18 20:16:22,913 INFO L495 AbstractCegarLoop]: Abstraction has has 166 places, 161 transitions, 332 flow [2022-11-18 20:16:22,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:22,914 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:16:22,914 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:16:22,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:16:22,915 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2022-11-18 20:16:22,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:16:22,916 INFO L85 PathProgramCache]: Analyzing trace with hash 232424732, now seen corresponding path program 1 times [2022-11-18 20:16:22,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:16:22,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143064307] [2022-11-18 20:16:22,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:16:22,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:16:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:23,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:16:23,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:16:23,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143064307] [2022-11-18 20:16:23,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143064307] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:16:23,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:16:23,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:16:23,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679985886] [2022-11-18 20:16:23,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:16:23,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:16:23,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:16:23,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:16:23,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:16:23,027 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 215 [2022-11-18 20:16:23,028 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 161 transitions, 332 flow. Second operand has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:23,028 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:16:23,028 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 215 [2022-11-18 20:16:23,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:16:23,111 INFO L130 PetriNetUnfolder]: 16/211 cut-off events. [2022-11-18 20:16:23,111 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 20:16:23,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 264 conditions, 211 events. 16/211 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 242 event pairs, 15 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 213. Up to 40 conditions per place. [2022-11-18 20:16:23,115 INFO L137 encePairwiseOnDemand]: 212/215 looper letters, 12 selfloop transitions, 2 changer transitions 0/160 dead transitions. [2022-11-18 20:16:23,116 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 160 transitions, 358 flow [2022-11-18 20:16:23,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:16:23,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:16:23,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 537 transitions. [2022-11-18 20:16:23,119 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8325581395348837 [2022-11-18 20:16:23,119 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 537 transitions. [2022-11-18 20:16:23,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 537 transitions. [2022-11-18 20:16:23,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:16:23,124 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 537 transitions. [2022-11-18 20:16:23,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:23,127 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:23,128 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:23,130 INFO L175 Difference]: Start difference. First operand has 166 places, 161 transitions, 332 flow. Second operand 3 states and 537 transitions. [2022-11-18 20:16:23,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 160 transitions, 358 flow [2022-11-18 20:16:23,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 160 transitions, 354 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:16:23,138 INFO L231 Difference]: Finished difference. Result has 165 places, 160 transitions, 330 flow [2022-11-18 20:16:23,139 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=330, PETRI_PLACES=165, PETRI_TRANSITIONS=160} [2022-11-18 20:16:23,141 INFO L288 CegarLoopForPetriNet]: 197 programPoint places, -32 predicate places. [2022-11-18 20:16:23,141 INFO L495 AbstractCegarLoop]: Abstraction has has 165 places, 160 transitions, 330 flow [2022-11-18 20:16:23,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:23,142 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:16:23,142 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:16:23,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:16:23,142 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2022-11-18 20:16:23,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:16:23,143 INFO L85 PathProgramCache]: Analyzing trace with hash 743097152, now seen corresponding path program 1 times [2022-11-18 20:16:23,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:16:23,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127682732] [2022-11-18 20:16:23,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:16:23,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:16:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:23,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:16:23,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:16:23,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127682732] [2022-11-18 20:16:23,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127682732] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:16:23,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:16:23,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:16:23,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691231015] [2022-11-18 20:16:23,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:16:23,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:16:23,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:16:23,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:16:23,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:16:23,234 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 215 [2022-11-18 20:16:23,235 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 160 transitions, 330 flow. Second operand has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:23,235 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:16:23,235 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 215 [2022-11-18 20:16:23,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:16:23,299 INFO L130 PetriNetUnfolder]: 16/210 cut-off events. [2022-11-18 20:16:23,299 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 20:16:23,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 263 conditions, 210 events. 16/210 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 241 event pairs, 15 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 205. Up to 40 conditions per place. [2022-11-18 20:16:23,300 INFO L137 encePairwiseOnDemand]: 212/215 looper letters, 12 selfloop transitions, 2 changer transitions 0/159 dead transitions. [2022-11-18 20:16:23,301 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 159 transitions, 356 flow [2022-11-18 20:16:23,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:16:23,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:16:23,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 537 transitions. [2022-11-18 20:16:23,303 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8325581395348837 [2022-11-18 20:16:23,303 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 537 transitions. [2022-11-18 20:16:23,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 537 transitions. [2022-11-18 20:16:23,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:16:23,304 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 537 transitions. [2022-11-18 20:16:23,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:23,307 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:23,308 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:23,308 INFO L175 Difference]: Start difference. First operand has 165 places, 160 transitions, 330 flow. Second operand 3 states and 537 transitions. [2022-11-18 20:16:23,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 159 transitions, 356 flow [2022-11-18 20:16:23,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 159 transitions, 352 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:16:23,312 INFO L231 Difference]: Finished difference. Result has 164 places, 159 transitions, 328 flow [2022-11-18 20:16:23,312 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=328, PETRI_PLACES=164, PETRI_TRANSITIONS=159} [2022-11-18 20:16:23,313 INFO L288 CegarLoopForPetriNet]: 197 programPoint places, -33 predicate places. [2022-11-18 20:16:23,313 INFO L495 AbstractCegarLoop]: Abstraction has has 164 places, 159 transitions, 328 flow [2022-11-18 20:16:23,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:23,314 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:16:23,314 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:16:23,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:16:23,315 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2022-11-18 20:16:23,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:16:23,315 INFO L85 PathProgramCache]: Analyzing trace with hash -760640468, now seen corresponding path program 1 times [2022-11-18 20:16:23,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:16:23,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941131937] [2022-11-18 20:16:23,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:16:23,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:16:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:23,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:16:23,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:16:23,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941131937] [2022-11-18 20:16:23,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941131937] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:16:23,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:16:23,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:16:23,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477312660] [2022-11-18 20:16:23,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:16:23,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:16:23,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:16:23,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:16:23,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:16:23,360 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 215 [2022-11-18 20:16:23,361 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 159 transitions, 328 flow. Second operand has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:23,361 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:16:23,362 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 215 [2022-11-18 20:16:23,362 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:16:23,441 INFO L130 PetriNetUnfolder]: 16/209 cut-off events. [2022-11-18 20:16:23,442 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 20:16:23,442 INFO L83 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 209 events. 16/209 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 240 event pairs, 15 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 197. Up to 40 conditions per place. [2022-11-18 20:16:23,444 INFO L137 encePairwiseOnDemand]: 212/215 looper letters, 12 selfloop transitions, 2 changer transitions 0/158 dead transitions. [2022-11-18 20:16:23,444 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 158 transitions, 354 flow [2022-11-18 20:16:23,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:16:23,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:16:23,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 537 transitions. [2022-11-18 20:16:23,446 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8325581395348837 [2022-11-18 20:16:23,446 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 537 transitions. [2022-11-18 20:16:23,446 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 537 transitions. [2022-11-18 20:16:23,447 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:16:23,447 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 537 transitions. [2022-11-18 20:16:23,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:23,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:23,451 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:23,451 INFO L175 Difference]: Start difference. First operand has 164 places, 159 transitions, 328 flow. Second operand 3 states and 537 transitions. [2022-11-18 20:16:23,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 158 transitions, 354 flow [2022-11-18 20:16:23,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 158 transitions, 350 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:16:23,454 INFO L231 Difference]: Finished difference. Result has 163 places, 158 transitions, 326 flow [2022-11-18 20:16:23,454 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=163, PETRI_TRANSITIONS=158} [2022-11-18 20:16:23,457 INFO L288 CegarLoopForPetriNet]: 197 programPoint places, -34 predicate places. [2022-11-18 20:16:23,457 INFO L495 AbstractCegarLoop]: Abstraction has has 163 places, 158 transitions, 326 flow [2022-11-18 20:16:23,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:23,459 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:16:23,459 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:16:23,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:16:23,459 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2022-11-18 20:16:23,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:16:23,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1212453868, now seen corresponding path program 1 times [2022-11-18 20:16:23,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:16:23,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652334297] [2022-11-18 20:16:23,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:16:23,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:16:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:23,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:16:23,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:16:23,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652334297] [2022-11-18 20:16:23,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652334297] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:16:23,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:16:23,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:16:23,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879385254] [2022-11-18 20:16:23,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:16:23,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:16:23,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:16:23,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:16:23,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:16:23,547 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 215 [2022-11-18 20:16:23,548 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 158 transitions, 326 flow. Second operand has 3 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:23,548 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:16:23,548 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 215 [2022-11-18 20:16:23,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:16:23,619 INFO L130 PetriNetUnfolder]: 16/208 cut-off events. [2022-11-18 20:16:23,620 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 20:16:23,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 264 conditions, 208 events. 16/208 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 238 event pairs, 15 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 192. Up to 43 conditions per place. [2022-11-18 20:16:23,621 INFO L137 encePairwiseOnDemand]: 212/215 looper letters, 15 selfloop transitions, 2 changer transitions 0/157 dead transitions. [2022-11-18 20:16:23,621 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 157 transitions, 358 flow [2022-11-18 20:16:23,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:16:23,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:16:23,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 531 transitions. [2022-11-18 20:16:23,623 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8232558139534883 [2022-11-18 20:16:23,624 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 531 transitions. [2022-11-18 20:16:23,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 531 transitions. [2022-11-18 20:16:23,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:16:23,624 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 531 transitions. [2022-11-18 20:16:23,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:23,627 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:23,627 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:23,627 INFO L175 Difference]: Start difference. First operand has 163 places, 158 transitions, 326 flow. Second operand 3 states and 531 transitions. [2022-11-18 20:16:23,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 157 transitions, 358 flow [2022-11-18 20:16:23,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 157 transitions, 354 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:16:23,631 INFO L231 Difference]: Finished difference. Result has 162 places, 157 transitions, 324 flow [2022-11-18 20:16:23,632 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=324, PETRI_PLACES=162, PETRI_TRANSITIONS=157} [2022-11-18 20:16:23,632 INFO L288 CegarLoopForPetriNet]: 197 programPoint places, -35 predicate places. [2022-11-18 20:16:23,633 INFO L495 AbstractCegarLoop]: Abstraction has has 162 places, 157 transitions, 324 flow [2022-11-18 20:16:23,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:23,633 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:16:23,633 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:16:23,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 20:16:23,634 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2022-11-18 20:16:23,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:16:23,635 INFO L85 PathProgramCache]: Analyzing trace with hash 234998570, now seen corresponding path program 1 times [2022-11-18 20:16:23,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:16:23,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482206304] [2022-11-18 20:16:23,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:16:23,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:16:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:23,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:16:23,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:16:23,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482206304] [2022-11-18 20:16:23,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482206304] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:16:23,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:16:23,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:16:23,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913971824] [2022-11-18 20:16:23,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:16:23,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:16:23,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:16:23,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:16:23,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:16:23,722 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 215 [2022-11-18 20:16:23,723 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 157 transitions, 324 flow. Second operand has 3 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:23,723 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:16:23,723 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 215 [2022-11-18 20:16:23,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:16:23,789 INFO L130 PetriNetUnfolder]: 16/207 cut-off events. [2022-11-18 20:16:23,790 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 20:16:23,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 263 conditions, 207 events. 16/207 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 233 event pairs, 15 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 184. Up to 43 conditions per place. [2022-11-18 20:16:23,791 INFO L137 encePairwiseOnDemand]: 212/215 looper letters, 15 selfloop transitions, 2 changer transitions 0/156 dead transitions. [2022-11-18 20:16:23,791 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 156 transitions, 356 flow [2022-11-18 20:16:23,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:16:23,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:16:23,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 531 transitions. [2022-11-18 20:16:23,794 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8232558139534883 [2022-11-18 20:16:23,794 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 531 transitions. [2022-11-18 20:16:23,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 531 transitions. [2022-11-18 20:16:23,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:16:23,795 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 531 transitions. [2022-11-18 20:16:23,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 177.0) internal successors, (531), 3 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:23,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:23,798 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:23,798 INFO L175 Difference]: Start difference. First operand has 162 places, 157 transitions, 324 flow. Second operand 3 states and 531 transitions. [2022-11-18 20:16:23,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 156 transitions, 356 flow [2022-11-18 20:16:23,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 156 transitions, 352 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:16:23,802 INFO L231 Difference]: Finished difference. Result has 161 places, 156 transitions, 322 flow [2022-11-18 20:16:23,802 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=322, PETRI_PLACES=161, PETRI_TRANSITIONS=156} [2022-11-18 20:16:23,803 INFO L288 CegarLoopForPetriNet]: 197 programPoint places, -36 predicate places. [2022-11-18 20:16:23,803 INFO L495 AbstractCegarLoop]: Abstraction has has 161 places, 156 transitions, 322 flow [2022-11-18 20:16:23,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:23,804 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:16:23,804 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:16:23,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 20:16:23,805 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2022-11-18 20:16:23,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:16:23,805 INFO L85 PathProgramCache]: Analyzing trace with hash -291520905, now seen corresponding path program 1 times [2022-11-18 20:16:23,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:16:23,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76399337] [2022-11-18 20:16:23,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:16:23,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:16:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:23,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:16:23,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:16:23,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76399337] [2022-11-18 20:16:23,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76399337] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:16:23,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:16:23,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:16:23,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779269938] [2022-11-18 20:16:23,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:16:23,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:16:23,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:16:23,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:16:23,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:16:23,848 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 215 [2022-11-18 20:16:23,849 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 156 transitions, 322 flow. Second operand has 3 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:23,849 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:16:23,849 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 215 [2022-11-18 20:16:23,849 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:16:23,958 INFO L130 PetriNetUnfolder]: 16/206 cut-off events. [2022-11-18 20:16:23,958 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 20:16:23,959 INFO L83 FinitePrefix]: Finished finitePrefix Result has 261 conditions, 206 events. 16/206 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 233 event pairs, 15 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 175. Up to 42 conditions per place. [2022-11-18 20:16:23,960 INFO L137 encePairwiseOnDemand]: 212/215 looper letters, 14 selfloop transitions, 2 changer transitions 0/155 dead transitions. [2022-11-18 20:16:23,960 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 155 transitions, 352 flow [2022-11-18 20:16:23,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:16:23,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:16:23,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 530 transitions. [2022-11-18 20:16:23,962 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8217054263565892 [2022-11-18 20:16:23,962 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 530 transitions. [2022-11-18 20:16:23,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 530 transitions. [2022-11-18 20:16:23,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:16:23,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 530 transitions. [2022-11-18 20:16:23,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:23,966 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:23,966 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:23,967 INFO L175 Difference]: Start difference. First operand has 161 places, 156 transitions, 322 flow. Second operand 3 states and 530 transitions. [2022-11-18 20:16:23,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 155 transitions, 352 flow [2022-11-18 20:16:23,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 155 transitions, 348 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:16:23,971 INFO L231 Difference]: Finished difference. Result has 160 places, 155 transitions, 320 flow [2022-11-18 20:16:23,971 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=320, PETRI_PLACES=160, PETRI_TRANSITIONS=155} [2022-11-18 20:16:23,972 INFO L288 CegarLoopForPetriNet]: 197 programPoint places, -37 predicate places. [2022-11-18 20:16:23,972 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 155 transitions, 320 flow [2022-11-18 20:16:23,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:23,973 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:16:23,973 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:16:23,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 20:16:23,973 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2022-11-18 20:16:23,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:16:23,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1052155885, now seen corresponding path program 1 times [2022-11-18 20:16:23,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:16:23,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301561503] [2022-11-18 20:16:23,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:16:23,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:16:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:24,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:16:24,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:16:24,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301561503] [2022-11-18 20:16:24,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301561503] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:16:24,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:16:24,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:16:24,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55823332] [2022-11-18 20:16:24,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:16:24,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:16:24,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:16:24,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:16:24,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:16:24,584 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 215 [2022-11-18 20:16:24,585 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 155 transitions, 320 flow. Second operand has 6 states, 6 states have (on average 158.0) internal successors, (948), 6 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:24,586 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:16:24,586 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 215 [2022-11-18 20:16:24,586 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:16:24,831 INFO L130 PetriNetUnfolder]: 118/387 cut-off events. [2022-11-18 20:16:24,831 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 20:16:24,832 INFO L83 FinitePrefix]: Finished finitePrefix Result has 624 conditions, 387 events. 118/387 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 817 event pairs, 22 based on Foata normal form. 0/368 useless extension candidates. Maximal degree in co-relation 530. Up to 118 conditions per place. [2022-11-18 20:16:24,836 INFO L137 encePairwiseOnDemand]: 210/215 looper letters, 38 selfloop transitions, 4 changer transitions 0/166 dead transitions. [2022-11-18 20:16:24,836 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 166 transitions, 426 flow [2022-11-18 20:16:24,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:16:24,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:16:24,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 979 transitions. [2022-11-18 20:16:24,839 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7589147286821706 [2022-11-18 20:16:24,839 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 979 transitions. [2022-11-18 20:16:24,839 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 979 transitions. [2022-11-18 20:16:24,840 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:16:24,840 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 979 transitions. [2022-11-18 20:16:24,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 163.16666666666666) internal successors, (979), 6 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:24,847 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 215.0) internal successors, (1505), 7 states have internal predecessors, (1505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:24,848 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 215.0) internal successors, (1505), 7 states have internal predecessors, (1505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:24,849 INFO L175 Difference]: Start difference. First operand has 160 places, 155 transitions, 320 flow. Second operand 6 states and 979 transitions. [2022-11-18 20:16:24,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 166 transitions, 426 flow [2022-11-18 20:16:24,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 166 transitions, 422 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 20:16:24,852 INFO L231 Difference]: Finished difference. Result has 162 places, 154 transitions, 322 flow [2022-11-18 20:16:24,854 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=322, PETRI_PLACES=162, PETRI_TRANSITIONS=154} [2022-11-18 20:16:24,855 INFO L288 CegarLoopForPetriNet]: 197 programPoint places, -35 predicate places. [2022-11-18 20:16:24,855 INFO L495 AbstractCegarLoop]: Abstraction has has 162 places, 154 transitions, 322 flow [2022-11-18 20:16:24,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 158.0) internal successors, (948), 6 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:24,856 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:16:24,856 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:16:24,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 20:16:24,856 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2022-11-18 20:16:24,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:16:24,857 INFO L85 PathProgramCache]: Analyzing trace with hash 45972635, now seen corresponding path program 1 times [2022-11-18 20:16:24,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:16:24,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912472169] [2022-11-18 20:16:24,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:16:24,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:16:24,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:25,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:16:25,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:16:25,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912472169] [2022-11-18 20:16:25,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912472169] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:16:25,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:16:25,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:16:25,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487008228] [2022-11-18 20:16:25,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:16:25,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:16:25,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:16:25,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:16:25,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:16:25,542 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 215 [2022-11-18 20:16:25,543 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 154 transitions, 322 flow. Second operand has 6 states, 6 states have (on average 159.16666666666666) internal successors, (955), 6 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:25,543 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:16:25,543 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 215 [2022-11-18 20:16:25,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:16:25,744 INFO L130 PetriNetUnfolder]: 107/370 cut-off events. [2022-11-18 20:16:25,744 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-11-18 20:16:25,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 619 conditions, 370 events. 107/370 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 739 event pairs, 79 based on Foata normal form. 0/356 useless extension candidates. Maximal degree in co-relation 193. Up to 146 conditions per place. [2022-11-18 20:16:25,747 INFO L137 encePairwiseOnDemand]: 210/215 looper letters, 33 selfloop transitions, 4 changer transitions 0/161 dead transitions. [2022-11-18 20:16:25,747 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 161 transitions, 410 flow [2022-11-18 20:16:25,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:16:25,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:16:25,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 974 transitions. [2022-11-18 20:16:25,750 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7550387596899225 [2022-11-18 20:16:25,750 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 974 transitions. [2022-11-18 20:16:25,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 974 transitions. [2022-11-18 20:16:25,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:16:25,751 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 974 transitions. [2022-11-18 20:16:25,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 162.33333333333334) internal successors, (974), 6 states have internal predecessors, (974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:25,755 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 215.0) internal successors, (1505), 7 states have internal predecessors, (1505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:25,756 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 215.0) internal successors, (1505), 7 states have internal predecessors, (1505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:25,756 INFO L175 Difference]: Start difference. First operand has 162 places, 154 transitions, 322 flow. Second operand 6 states and 974 transitions. [2022-11-18 20:16:25,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 161 transitions, 410 flow [2022-11-18 20:16:25,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 161 transitions, 403 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 20:16:25,760 INFO L231 Difference]: Finished difference. Result has 162 places, 153 transitions, 321 flow [2022-11-18 20:16:25,760 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=313, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=321, PETRI_PLACES=162, PETRI_TRANSITIONS=153} [2022-11-18 20:16:25,762 INFO L288 CegarLoopForPetriNet]: 197 programPoint places, -35 predicate places. [2022-11-18 20:16:25,762 INFO L495 AbstractCegarLoop]: Abstraction has has 162 places, 153 transitions, 321 flow [2022-11-18 20:16:25,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 159.16666666666666) internal successors, (955), 6 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:25,763 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:16:25,763 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:16:25,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 20:16:25,763 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2022-11-18 20:16:25,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:16:25,764 INFO L85 PathProgramCache]: Analyzing trace with hash 2128365545, now seen corresponding path program 1 times [2022-11-18 20:16:25,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:16:25,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109918938] [2022-11-18 20:16:25,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:16:25,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:16:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:26,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:16:26,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:16:26,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109918938] [2022-11-18 20:16:26,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109918938] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:16:26,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:16:26,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:16:26,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115105801] [2022-11-18 20:16:26,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:16:26,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:16:26,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:16:26,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:16:26,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:16:26,485 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 215 [2022-11-18 20:16:26,486 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 153 transitions, 321 flow. Second operand has 6 states, 6 states have (on average 160.33333333333334) internal successors, (962), 6 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:26,486 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:16:26,486 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 215 [2022-11-18 20:16:26,486 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:16:26,685 INFO L130 PetriNetUnfolder]: 106/368 cut-off events. [2022-11-18 20:16:26,685 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-18 20:16:26,686 INFO L83 FinitePrefix]: Finished finitePrefix Result has 606 conditions, 368 events. 106/368 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 730 event pairs, 100 based on Foata normal form. 0/357 useless extension candidates. Maximal degree in co-relation 446. Up to 189 conditions per place. [2022-11-18 20:16:26,688 INFO L137 encePairwiseOnDemand]: 210/215 looper letters, 28 selfloop transitions, 4 changer transitions 0/156 dead transitions. [2022-11-18 20:16:26,688 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 156 transitions, 391 flow [2022-11-18 20:16:26,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:16:26,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 20:16:26,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 969 transitions. [2022-11-18 20:16:26,691 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7511627906976744 [2022-11-18 20:16:26,691 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 969 transitions. [2022-11-18 20:16:26,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 969 transitions. [2022-11-18 20:16:26,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:16:26,692 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 969 transitions. [2022-11-18 20:16:26,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 161.5) internal successors, (969), 6 states have internal predecessors, (969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:26,698 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 215.0) internal successors, (1505), 7 states have internal predecessors, (1505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:26,699 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 215.0) internal successors, (1505), 7 states have internal predecessors, (1505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:26,699 INFO L175 Difference]: Start difference. First operand has 162 places, 153 transitions, 321 flow. Second operand 6 states and 969 transitions. [2022-11-18 20:16:26,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 156 transitions, 391 flow [2022-11-18 20:16:26,706 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 156 transitions, 384 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 20:16:26,708 INFO L231 Difference]: Finished difference. Result has 162 places, 152 transitions, 320 flow [2022-11-18 20:16:26,708 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=320, PETRI_PLACES=162, PETRI_TRANSITIONS=152} [2022-11-18 20:16:26,711 INFO L288 CegarLoopForPetriNet]: 197 programPoint places, -35 predicate places. [2022-11-18 20:16:26,711 INFO L495 AbstractCegarLoop]: Abstraction has has 162 places, 152 transitions, 320 flow [2022-11-18 20:16:26,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 160.33333333333334) internal successors, (962), 6 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:26,712 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:16:26,712 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:16:26,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 20:16:26,713 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2022-11-18 20:16:26,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:16:26,713 INFO L85 PathProgramCache]: Analyzing trace with hash -712151952, now seen corresponding path program 1 times [2022-11-18 20:16:26,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:16:26,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566644771] [2022-11-18 20:16:26,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:16:26,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:16:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:26,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:16:26,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:16:26,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566644771] [2022-11-18 20:16:26,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566644771] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:16:26,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:16:26,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:16:26,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861436106] [2022-11-18 20:16:26,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:16:26,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:16:26,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:16:26,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:16:26,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:16:26,815 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 215 [2022-11-18 20:16:26,816 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 152 transitions, 320 flow. Second operand has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:26,816 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:16:26,817 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 215 [2022-11-18 20:16:26,817 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:16:26,878 INFO L130 PetriNetUnfolder]: 16/202 cut-off events. [2022-11-18 20:16:26,879 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 20:16:26,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 258 conditions, 202 events. 16/202 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 227 event pairs, 15 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 228. Up to 39 conditions per place. [2022-11-18 20:16:26,880 INFO L137 encePairwiseOnDemand]: 213/215 looper letters, 12 selfloop transitions, 1 changer transitions 0/151 dead transitions. [2022-11-18 20:16:26,880 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 151 transitions, 344 flow [2022-11-18 20:16:26,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:16:26,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:16:26,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 536 transitions. [2022-11-18 20:16:26,882 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8310077519379845 [2022-11-18 20:16:26,882 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 536 transitions. [2022-11-18 20:16:26,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 536 transitions. [2022-11-18 20:16:26,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:16:26,883 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 536 transitions. [2022-11-18 20:16:26,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 178.66666666666666) internal successors, (536), 3 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:26,886 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:26,887 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:26,887 INFO L175 Difference]: Start difference. First operand has 162 places, 152 transitions, 320 flow. Second operand 3 states and 536 transitions. [2022-11-18 20:16:26,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 151 transitions, 344 flow [2022-11-18 20:16:26,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 151 transitions, 337 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 20:16:26,890 INFO L231 Difference]: Finished difference. Result has 159 places, 151 transitions, 313 flow [2022-11-18 20:16:26,891 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=311, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=313, PETRI_PLACES=159, PETRI_TRANSITIONS=151} [2022-11-18 20:16:26,892 INFO L288 CegarLoopForPetriNet]: 197 programPoint places, -38 predicate places. [2022-11-18 20:16:26,892 INFO L495 AbstractCegarLoop]: Abstraction has has 159 places, 151 transitions, 313 flow [2022-11-18 20:16:26,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:26,893 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:16:26,893 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:16:26,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 20:16:26,893 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2022-11-18 20:16:26,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:16:26,894 INFO L85 PathProgramCache]: Analyzing trace with hash 763189539, now seen corresponding path program 1 times [2022-11-18 20:16:26,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:16:26,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450237437] [2022-11-18 20:16:26,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:16:26,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:16:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:27,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:16:27,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:16:27,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450237437] [2022-11-18 20:16:27,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450237437] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:16:27,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:16:27,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:16:27,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748413790] [2022-11-18 20:16:27,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:16:27,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:16:27,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:16:27,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:16:27,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:16:27,015 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 215 [2022-11-18 20:16:27,016 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 151 transitions, 313 flow. Second operand has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:27,016 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:16:27,016 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 215 [2022-11-18 20:16:27,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:16:27,079 INFO L130 PetriNetUnfolder]: 15/205 cut-off events. [2022-11-18 20:16:27,079 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 20:16:27,080 INFO L83 FinitePrefix]: Finished finitePrefix Result has 259 conditions, 205 events. 15/205 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 226 event pairs, 15 based on Foata normal form. 0/196 useless extension candidates. Maximal degree in co-relation 237. Up to 39 conditions per place. [2022-11-18 20:16:27,081 INFO L137 encePairwiseOnDemand]: 213/215 looper letters, 12 selfloop transitions, 1 changer transitions 0/150 dead transitions. [2022-11-18 20:16:27,081 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 150 transitions, 337 flow [2022-11-18 20:16:27,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:16:27,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:16:27,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 536 transitions. [2022-11-18 20:16:27,083 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8310077519379845 [2022-11-18 20:16:27,083 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 536 transitions. [2022-11-18 20:16:27,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 536 transitions. [2022-11-18 20:16:27,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:16:27,084 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 536 transitions. [2022-11-18 20:16:27,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 178.66666666666666) internal successors, (536), 3 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:27,087 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:27,087 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:27,087 INFO L175 Difference]: Start difference. First operand has 159 places, 151 transitions, 313 flow. Second operand 3 states and 536 transitions. [2022-11-18 20:16:27,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 150 transitions, 337 flow [2022-11-18 20:16:27,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 150 transitions, 336 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 20:16:27,091 INFO L231 Difference]: Finished difference. Result has 159 places, 150 transitions, 312 flow [2022-11-18 20:16:27,091 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=312, PETRI_PLACES=159, PETRI_TRANSITIONS=150} [2022-11-18 20:16:27,093 INFO L288 CegarLoopForPetriNet]: 197 programPoint places, -38 predicate places. [2022-11-18 20:16:27,093 INFO L495 AbstractCegarLoop]: Abstraction has has 159 places, 150 transitions, 312 flow [2022-11-18 20:16:27,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:27,094 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 20:16:27,094 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:16:27,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 20:16:27,096 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2022-11-18 20:16:27,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:16:27,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1017094490, now seen corresponding path program 1 times [2022-11-18 20:16:27,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:16:27,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308186642] [2022-11-18 20:16:27,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:16:27,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:16:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:16:27,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:16:27,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:16:27,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308186642] [2022-11-18 20:16:27,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308186642] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:16:27,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:16:27,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:16:27,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578219430] [2022-11-18 20:16:27,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:16:27,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:16:27,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:16:27,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:16:27,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:16:27,205 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 215 [2022-11-18 20:16:27,206 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 150 transitions, 312 flow. Second operand has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:27,206 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 20:16:27,206 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 215 [2022-11-18 20:16:27,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 20:16:27,267 INFO L130 PetriNetUnfolder]: 15/203 cut-off events. [2022-11-18 20:16:27,267 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 20:16:27,268 INFO L83 FinitePrefix]: Finished finitePrefix Result has 258 conditions, 203 events. 15/203 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 224 event pairs, 15 based on Foata normal form. 2/196 useless extension candidates. Maximal degree in co-relation 247. Up to 39 conditions per place. [2022-11-18 20:16:27,268 INFO L137 encePairwiseOnDemand]: 213/215 looper letters, 0 selfloop transitions, 0 changer transitions 149/149 dead transitions. [2022-11-18 20:16:27,269 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 149 transitions, 334 flow [2022-11-18 20:16:27,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:16:27,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 20:16:27,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 535 transitions. [2022-11-18 20:16:27,271 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8294573643410853 [2022-11-18 20:16:27,271 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 535 transitions. [2022-11-18 20:16:27,271 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 535 transitions. [2022-11-18 20:16:27,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:16:27,272 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 535 transitions. [2022-11-18 20:16:27,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:27,274 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:27,275 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:27,275 INFO L175 Difference]: Start difference. First operand has 159 places, 150 transitions, 312 flow. Second operand 3 states and 535 transitions. [2022-11-18 20:16:27,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 149 transitions, 334 flow [2022-11-18 20:16:27,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 149 transitions, 333 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 20:16:27,277 INFO L231 Difference]: Finished difference. Result has 159 places, 0 transitions, 0 flow [2022-11-18 20:16:27,278 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=309, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=159, PETRI_TRANSITIONS=0} [2022-11-18 20:16:27,278 INFO L288 CegarLoopForPetriNet]: 197 programPoint places, -38 predicate places. [2022-11-18 20:16:27,278 INFO L495 AbstractCegarLoop]: Abstraction has has 159 places, 0 transitions, 0 flow [2022-11-18 20:16:27,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:16:27,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (65 of 66 remaining) [2022-11-18 20:16:27,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (64 of 66 remaining) [2022-11-18 20:16:27,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (63 of 66 remaining) [2022-11-18 20:16:27,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (62 of 66 remaining) [2022-11-18 20:16:27,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (61 of 66 remaining) [2022-11-18 20:16:27,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (60 of 66 remaining) [2022-11-18 20:16:27,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (59 of 66 remaining) [2022-11-18 20:16:27,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (58 of 66 remaining) [2022-11-18 20:16:27,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (57 of 66 remaining) [2022-11-18 20:16:27,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (56 of 66 remaining) [2022-11-18 20:16:27,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (55 of 66 remaining) [2022-11-18 20:16:27,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (54 of 66 remaining) [2022-11-18 20:16:27,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (53 of 66 remaining) [2022-11-18 20:16:27,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (52 of 66 remaining) [2022-11-18 20:16:27,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (51 of 66 remaining) [2022-11-18 20:16:27,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (50 of 66 remaining) [2022-11-18 20:16:27,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (49 of 66 remaining) [2022-11-18 20:16:27,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (48 of 66 remaining) [2022-11-18 20:16:27,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (47 of 66 remaining) [2022-11-18 20:16:27,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (46 of 66 remaining) [2022-11-18 20:16:27,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (45 of 66 remaining) [2022-11-18 20:16:27,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (44 of 66 remaining) [2022-11-18 20:16:27,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (43 of 66 remaining) [2022-11-18 20:16:27,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (42 of 66 remaining) [2022-11-18 20:16:27,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (41 of 66 remaining) [2022-11-18 20:16:27,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (40 of 66 remaining) [2022-11-18 20:16:27,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (39 of 66 remaining) [2022-11-18 20:16:27,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (38 of 66 remaining) [2022-11-18 20:16:27,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (37 of 66 remaining) [2022-11-18 20:16:27,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (36 of 66 remaining) [2022-11-18 20:16:27,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (35 of 66 remaining) [2022-11-18 20:16:27,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (34 of 66 remaining) [2022-11-18 20:16:27,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (33 of 66 remaining) [2022-11-18 20:16:27,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (32 of 66 remaining) [2022-11-18 20:16:27,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (31 of 66 remaining) [2022-11-18 20:16:27,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (30 of 66 remaining) [2022-11-18 20:16:27,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (29 of 66 remaining) [2022-11-18 20:16:27,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (28 of 66 remaining) [2022-11-18 20:16:27,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (27 of 66 remaining) [2022-11-18 20:16:27,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 66 remaining) [2022-11-18 20:16:27,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 66 remaining) [2022-11-18 20:16:27,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 66 remaining) [2022-11-18 20:16:27,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (23 of 66 remaining) [2022-11-18 20:16:27,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (22 of 66 remaining) [2022-11-18 20:16:27,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (21 of 66 remaining) [2022-11-18 20:16:27,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (20 of 66 remaining) [2022-11-18 20:16:27,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (19 of 66 remaining) [2022-11-18 20:16:27,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (18 of 66 remaining) [2022-11-18 20:16:27,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (17 of 66 remaining) [2022-11-18 20:16:27,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (16 of 66 remaining) [2022-11-18 20:16:27,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (15 of 66 remaining) [2022-11-18 20:16:27,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (14 of 66 remaining) [2022-11-18 20:16:27,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (13 of 66 remaining) [2022-11-18 20:16:27,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (12 of 66 remaining) [2022-11-18 20:16:27,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (11 of 66 remaining) [2022-11-18 20:16:27,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 66 remaining) [2022-11-18 20:16:27,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 66 remaining) [2022-11-18 20:16:27,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (8 of 66 remaining) [2022-11-18 20:16:27,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 66 remaining) [2022-11-18 20:16:27,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 66 remaining) [2022-11-18 20:16:27,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 66 remaining) [2022-11-18 20:16:27,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 66 remaining) [2022-11-18 20:16:27,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (3 of 66 remaining) [2022-11-18 20:16:27,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (2 of 66 remaining) [2022-11-18 20:16:27,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (1 of 66 remaining) [2022-11-18 20:16:27,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 66 remaining) [2022-11-18 20:16:27,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 20:16:27,296 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:16:27,302 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 20:16:27,302 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:16:27,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:16:27 BasicIcfg [2022-11-18 20:16:27,307 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:16:27,308 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:16:27,308 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:16:27,308 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:16:27,308 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:16:21" (3/4) ... [2022-11-18 20:16:27,311 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:16:27,316 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-18 20:16:27,316 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-18 20:16:27,316 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-18 20:16:27,322 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-18 20:16:27,322 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 20:16:27,323 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 20:16:27,323 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:16:27,362 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c852e22-ddce-4226-9447-3a9ce1a9e211/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:16:27,362 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:16:27,363 INFO L158 Benchmark]: Toolchain (without parser) took 7887.54ms. Allocated memory was 130.0MB in the beginning and 255.9MB in the end (delta: 125.8MB). Free memory was 91.9MB in the beginning and 199.1MB in the end (delta: -107.2MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2022-11-18 20:16:27,363 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory is still 108.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:16:27,363 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.56ms. Allocated memory is still 130.0MB. Free memory was 91.6MB in the beginning and 102.1MB in the end (delta: -10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 20:16:27,364 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.76ms. Allocated memory is still 130.0MB. Free memory was 102.1MB in the beginning and 99.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:16:27,364 INFO L158 Benchmark]: Boogie Preprocessor took 66.65ms. Allocated memory is still 130.0MB. Free memory was 99.5MB in the beginning and 97.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:16:27,364 INFO L158 Benchmark]: RCFGBuilder took 1466.28ms. Allocated memory was 130.0MB in the beginning and 159.4MB in the end (delta: 29.4MB). Free memory was 97.3MB in the beginning and 90.4MB in the end (delta: 6.9MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. [2022-11-18 20:16:27,365 INFO L158 Benchmark]: TraceAbstraction took 5811.65ms. Allocated memory was 159.4MB in the beginning and 255.9MB in the end (delta: 96.5MB). Free memory was 89.5MB in the beginning and 203.3MB in the end (delta: -113.8MB). Peak memory consumption was 109.3MB. Max. memory is 16.1GB. [2022-11-18 20:16:27,365 INFO L158 Benchmark]: Witness Printer took 54.56ms. Allocated memory is still 255.9MB. Free memory was 203.3MB in the beginning and 199.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 20:16:27,367 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory is still 108.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.56ms. Allocated memory is still 130.0MB. Free memory was 91.6MB in the beginning and 102.1MB in the end (delta: -10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.76ms. Allocated memory is still 130.0MB. Free memory was 102.1MB in the beginning and 99.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.65ms. Allocated memory is still 130.0MB. Free memory was 99.5MB in the beginning and 97.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1466.28ms. Allocated memory was 130.0MB in the beginning and 159.4MB in the end (delta: 29.4MB). Free memory was 97.3MB in the beginning and 90.4MB in the end (delta: 6.9MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. * TraceAbstraction took 5811.65ms. Allocated memory was 159.4MB in the beginning and 255.9MB in the end (delta: 96.5MB). Free memory was 89.5MB in the beginning and 203.3MB in the end (delta: -113.8MB). Peak memory consumption was 109.3MB. Max. memory is 16.1GB. * Witness Printer took 54.56ms. Allocated memory is still 255.9MB. Free memory was 203.3MB in the beginning and 199.1MB 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: - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: 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: 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: 46]: 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: 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: 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: 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: 64]: 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: 64]: 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: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: 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: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: 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: 92]: 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: 92]: 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 7 procedures, 252 locations, 66 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.6s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 70 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 70 mSDsluCounter, 83 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 478 IncrementalHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 83 mSDtfsCounter, 478 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=394occurred in iteration=0, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1309 NumberOfCodeBlocks, 1309 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1294 ConstructedInterpolants, 0 QuantifiedInterpolants, 1561 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 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 39 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-18 20:16:27,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c852e22-ddce-4226-9447-3a9ce1a9e211/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE