./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/lamport.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 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_96731dbd-e20e-4edc-99f2-2ab65e8132e5/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96731dbd-e20e-4edc-99f2-2ab65e8132e5/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96731dbd-e20e-4edc-99f2-2ab65e8132e5/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96731dbd-e20e-4edc-99f2-2ab65e8132e5/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/lamport.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96731dbd-e20e-4edc-99f2-2ab65e8132e5/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96731dbd-e20e-4edc-99f2-2ab65e8132e5/bin/uautomizer-vX5HgA9Q3a --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 c35b909c90b92e30d40b0275e3d226db26dbebaf39dc73a31d7e72eee871d214 --- 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-b5237d8 [2022-11-21 17:28:23,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:28:23,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:28:23,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:28:23,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:28:23,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:28:23,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:28:23,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:28:23,979 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:28:23,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:28:23,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:28:23,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:28:23,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:28:23,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:28:23,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:28:24,002 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:28:24,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:28:24,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:28:24,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:28:24,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:28:24,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:28:24,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:28:24,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:28:24,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:28:24,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:28:24,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:28:24,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:28:24,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:28:24,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:28:24,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:28:24,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:28:24,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:28:24,047 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:28:24,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:28:24,051 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:28:24,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:28:24,053 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:28:24,053 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:28:24,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:28:24,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:28:24,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:28:24,058 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96731dbd-e20e-4edc-99f2-2ab65e8132e5/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-21 17:28:24,107 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:28:24,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:28:24,109 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:28:24,109 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:28:24,110 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:28:24,111 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:28:24,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:28:24,112 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:28:24,112 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:28:24,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:28:24,114 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 17:28:24,114 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 17:28:24,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:28:24,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 17:28:24,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:28:24,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:28:24,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:28:24,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:28:24,117 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-21 17:28:24,117 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 17:28:24,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:28:24,117 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:28:24,118 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:28:24,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:28:24,118 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:28:24,119 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:28:24,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:28:24,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:28:24,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:28:24,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:28:24,120 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:28:24,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 17:28:24,121 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:28:24,121 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:28:24,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:28:24,122 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_96731dbd-e20e-4edc-99f2-2ab65e8132e5/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96731dbd-e20e-4edc-99f2-2ab65e8132e5/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c35b909c90b92e30d40b0275e3d226db26dbebaf39dc73a31d7e72eee871d214 [2022-11-21 17:28:24,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:28:24,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:28:24,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:28:24,597 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:28:24,597 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:28:24,599 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96731dbd-e20e-4edc-99f2-2ab65e8132e5/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/pthread-atomic/lamport.i [2022-11-21 17:28:27,870 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:28:28,220 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:28:28,221 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96731dbd-e20e-4edc-99f2-2ab65e8132e5/sv-benchmarks/c/pthread-atomic/lamport.i [2022-11-21 17:28:28,235 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96731dbd-e20e-4edc-99f2-2ab65e8132e5/bin/uautomizer-vX5HgA9Q3a/data/72c52854b/799ce22bf1b34e4b968e720b087e338a/FLAGcc14c8103 [2022-11-21 17:28:28,261 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96731dbd-e20e-4edc-99f2-2ab65e8132e5/bin/uautomizer-vX5HgA9Q3a/data/72c52854b/799ce22bf1b34e4b968e720b087e338a [2022-11-21 17:28:28,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:28:28,271 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:28:28,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:28:28,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:28:28,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:28:28,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:28:28" (1/1) ... [2022-11-21 17:28:28,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca9fc6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:28, skipping insertion in model container [2022-11-21 17:28:28,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:28:28" (1/1) ... [2022-11-21 17:28:28,321 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:28:28,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:28:28,621 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 17:28:28,812 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96731dbd-e20e-4edc-99f2-2ab65e8132e5/sv-benchmarks/c/pthread-atomic/lamport.i[32156,32169] [2022-11-21 17:28:28,833 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96731dbd-e20e-4edc-99f2-2ab65e8132e5/sv-benchmarks/c/pthread-atomic/lamport.i[34083,34096] [2022-11-21 17:28:28,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:28:28,863 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:28:28,894 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 17:28:28,948 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96731dbd-e20e-4edc-99f2-2ab65e8132e5/sv-benchmarks/c/pthread-atomic/lamport.i[32156,32169] [2022-11-21 17:28:28,955 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96731dbd-e20e-4edc-99f2-2ab65e8132e5/sv-benchmarks/c/pthread-atomic/lamport.i[34083,34096] [2022-11-21 17:28:28,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:28:29,035 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:28:29,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:29 WrapperNode [2022-11-21 17:28:29,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:28:29,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:28:29,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:28:29,038 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:28:29,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:29" (1/1) ... [2022-11-21 17:28:29,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:29" (1/1) ... [2022-11-21 17:28:29,127 INFO L138 Inliner]: procedures = 171, calls = 83, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2022-11-21 17:28:29,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:28:29,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:28:29,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:28:29,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:28:29,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:29" (1/1) ... [2022-11-21 17:28:29,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:29" (1/1) ... [2022-11-21 17:28:29,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:29" (1/1) ... [2022-11-21 17:28:29,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:29" (1/1) ... [2022-11-21 17:28:29,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:29" (1/1) ... [2022-11-21 17:28:29,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:29" (1/1) ... [2022-11-21 17:28:29,181 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:29" (1/1) ... [2022-11-21 17:28:29,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:29" (1/1) ... [2022-11-21 17:28:29,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:28:29,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:28:29,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:28:29,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:28:29,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:29" (1/1) ... [2022-11-21 17:28:29,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:28:29,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96731dbd-e20e-4edc-99f2-2ab65e8132e5/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:28:29,245 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96731dbd-e20e-4edc-99f2-2ab65e8132e5/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:28:29,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96731dbd-e20e-4edc-99f2-2ab65e8132e5/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:28:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 17:28:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2022-11-21 17:28:29,308 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2022-11-21 17:28:29,308 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-21 17:28:29,308 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-21 17:28:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 17:28:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 17:28:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:28:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 17:28:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 17:28:29,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 17:28:29,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 17:28:29,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:28:29,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:28:29,312 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 17:28:29,569 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:28:29,572 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:28:30,077 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:28:30,213 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:28:30,213 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-21 17:28:30,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:28:30 BoogieIcfgContainer [2022-11-21 17:28:30,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:28:30,219 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:28:30,219 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:28:30,224 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:28:30,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:28:28" (1/3) ... [2022-11-21 17:28:30,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60232621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:28:30, skipping insertion in model container [2022-11-21 17:28:30,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:29" (2/3) ... [2022-11-21 17:28:30,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60232621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:28:30, skipping insertion in model container [2022-11-21 17:28:30,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:28:30" (3/3) ... [2022-11-21 17:28:30,236 INFO L112 eAbstractionObserver]: Analyzing ICFG lamport.i [2022-11-21 17:28:30,250 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 17:28:30,260 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:28:30,260 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2022-11-21 17:28:30,260 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 17:28:30,391 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-21 17:28:30,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 174 places, 191 transitions, 398 flow [2022-11-21 17:28:30,588 INFO L130 PetriNetUnfolder]: 24/189 cut-off events. [2022-11-21 17:28:30,589 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-21 17:28:30,600 INFO L83 FinitePrefix]: Finished finitePrefix Result has 198 conditions, 189 events. 24/189 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 549 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 151. Up to 5 conditions per place. [2022-11-21 17:28:30,601 INFO L82 GeneralOperation]: Start removeDead. Operand has 174 places, 191 transitions, 398 flow [2022-11-21 17:28:30,618 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 162 places, 179 transitions, 367 flow [2022-11-21 17:28:30,630 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:28:30,638 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;@174a5707, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:28:30,639 INFO L358 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2022-11-21 17:28:30,648 INFO L130 PetriNetUnfolder]: 1/34 cut-off events. [2022-11-21 17:28:30,648 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 17:28:30,649 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 17:28:30,650 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] [2022-11-21 17:28:30,650 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-21 17:28:30,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:28:30,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1211128363, now seen corresponding path program 1 times [2022-11-21 17:28:30,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:28:30,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929307757] [2022-11-21 17:28:30,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:28:30,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:28:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:30,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:28:30,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:28:30,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929307757] [2022-11-21 17:28:30,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929307757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:28:30,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:28:30,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-21 17:28:30,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292405880] [2022-11-21 17:28:30,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:28:30,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-21 17:28:30,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:28:30,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-21 17:28:30,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 17:28:30,966 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 191 [2022-11-21 17:28:30,971 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 179 transitions, 367 flow. Second operand has 2 states, 2 states have (on average 112.0) internal successors, (224), 2 states have internal predecessors, (224), 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) [2022-11-21 17:28:30,971 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 17:28:30,971 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 191 [2022-11-21 17:28:30,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 17:28:31,385 INFO L130 PetriNetUnfolder]: 371/1165 cut-off events. [2022-11-21 17:28:31,386 INFO L131 PetriNetUnfolder]: For 57/57 co-relation queries the response was YES. [2022-11-21 17:28:31,396 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1774 conditions, 1165 events. 371/1165 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 7097 event pairs, 195 based on Foata normal form. 215/1188 useless extension candidates. Maximal degree in co-relation 1626. Up to 562 conditions per place. [2022-11-21 17:28:31,408 INFO L137 encePairwiseOnDemand]: 147/191 looper letters, 35 selfloop transitions, 0 changer transitions 0/135 dead transitions. [2022-11-21 17:28:31,409 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 135 transitions, 349 flow [2022-11-21 17:28:31,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-21 17:28:31,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-21 17:28:31,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 301 transitions. [2022-11-21 17:28:31,434 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7879581151832461 [2022-11-21 17:28:31,435 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 301 transitions. [2022-11-21 17:28:31,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 301 transitions. [2022-11-21 17:28:31,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 17:28:31,442 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 301 transitions. [2022-11-21 17:28:31,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 150.5) internal successors, (301), 2 states have internal predecessors, (301), 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) [2022-11-21 17:28:31,455 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 191.0) internal successors, (573), 3 states have internal predecessors, (573), 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) [2022-11-21 17:28:31,456 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 191.0) internal successors, (573), 3 states have internal predecessors, (573), 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) [2022-11-21 17:28:31,459 INFO L175 Difference]: Start difference. First operand has 162 places, 179 transitions, 367 flow. Second operand 2 states and 301 transitions. [2022-11-21 17:28:31,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 135 transitions, 349 flow [2022-11-21 17:28:31,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 135 transitions, 344 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-21 17:28:31,471 INFO L231 Difference]: Finished difference. Result has 128 places, 135 transitions, 274 flow [2022-11-21 17:28:31,474 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=274, PETRI_PLACES=128, PETRI_TRANSITIONS=135} [2022-11-21 17:28:31,482 INFO L288 CegarLoopForPetriNet]: 162 programPoint places, -34 predicate places. [2022-11-21 17:28:31,482 INFO L495 AbstractCegarLoop]: Abstraction has has 128 places, 135 transitions, 274 flow [2022-11-21 17:28:31,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 112.0) internal successors, (224), 2 states have internal predecessors, (224), 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) [2022-11-21 17:28:31,483 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 17:28:31,483 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] [2022-11-21 17:28:31,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 17:28:31,485 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-21 17:28:31,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:28:31,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1928989803, now seen corresponding path program 1 times [2022-11-21 17:28:31,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:28:31,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258777312] [2022-11-21 17:28:31,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:28:31,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:28:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:31,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:28:31,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:28:31,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258777312] [2022-11-21 17:28:31,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258777312] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:28:31,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:28:31,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 17:28:31,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861690934] [2022-11-21 17:28:31,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:28:31,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:28:31,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:28:31,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:28:31,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:28:31,678 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 191 [2022-11-21 17:28:31,679 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 135 transitions, 274 flow. Second operand has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 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) [2022-11-21 17:28:31,679 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 17:28:31,679 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 191 [2022-11-21 17:28:31,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 17:28:32,216 INFO L130 PetriNetUnfolder]: 694/1741 cut-off events. [2022-11-21 17:28:32,226 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2022-11-21 17:28:32,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2930 conditions, 1741 events. 694/1741 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 10926 event pairs, 385 based on Foata normal form. 0/1476 useless extension candidates. Maximal degree in co-relation 2927. Up to 1050 conditions per place. [2022-11-21 17:28:32,244 INFO L137 encePairwiseOnDemand]: 185/191 looper letters, 69 selfloop transitions, 5 changer transitions 0/160 dead transitions. [2022-11-21 17:28:32,244 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 160 transitions, 474 flow [2022-11-21 17:28:32,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:28:32,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 17:28:32,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 366 transitions. [2022-11-21 17:28:32,248 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6387434554973822 [2022-11-21 17:28:32,248 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 366 transitions. [2022-11-21 17:28:32,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 366 transitions. [2022-11-21 17:28:32,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 17:28:32,249 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 366 transitions. [2022-11-21 17:28:32,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 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) [2022-11-21 17:28:32,255 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2022-11-21 17:28:32,256 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2022-11-21 17:28:32,256 INFO L175 Difference]: Start difference. First operand has 128 places, 135 transitions, 274 flow. Second operand 3 states and 366 transitions. [2022-11-21 17:28:32,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 160 transitions, 474 flow [2022-11-21 17:28:32,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 160 transitions, 474 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-21 17:28:32,265 INFO L231 Difference]: Finished difference. Result has 132 places, 139 transitions, 312 flow [2022-11-21 17:28:32,267 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=312, PETRI_PLACES=132, PETRI_TRANSITIONS=139} [2022-11-21 17:28:32,268 INFO L288 CegarLoopForPetriNet]: 162 programPoint places, -30 predicate places. [2022-11-21 17:28:32,270 INFO L495 AbstractCegarLoop]: Abstraction has has 132 places, 139 transitions, 312 flow [2022-11-21 17:28:32,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 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) [2022-11-21 17:28:32,271 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 17:28:32,271 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] [2022-11-21 17:28:32,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 17:28:32,272 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-21 17:28:32,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:28:32,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1943278595, now seen corresponding path program 1 times [2022-11-21 17:28:32,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:28:32,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212838000] [2022-11-21 17:28:32,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:28:32,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:28:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:33,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:28:33,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:28:33,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212838000] [2022-11-21 17:28:33,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212838000] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:28:33,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:28:33,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:28:33,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695307332] [2022-11-21 17:28:33,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:28:33,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:28:33,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:28:33,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:28:33,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:28:33,060 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 191 [2022-11-21 17:28:33,061 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 139 transitions, 312 flow. Second operand has 6 states, 6 states have (on average 94.83333333333333) internal successors, (569), 6 states have internal predecessors, (569), 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) [2022-11-21 17:28:33,062 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 17:28:33,062 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 191 [2022-11-21 17:28:33,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 17:28:34,498 INFO L130 PetriNetUnfolder]: 3588/6102 cut-off events. [2022-11-21 17:28:34,500 INFO L131 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2022-11-21 17:28:34,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11350 conditions, 6102 events. 3588/6102 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 40911 event pairs, 558 based on Foata normal form. 0/5639 useless extension candidates. Maximal degree in co-relation 11345. Up to 1666 conditions per place. [2022-11-21 17:28:34,551 INFO L137 encePairwiseOnDemand]: 186/191 looper letters, 174 selfloop transitions, 4 changer transitions 0/266 dead transitions. [2022-11-21 17:28:34,552 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 266 transitions, 922 flow [2022-11-21 17:28:34,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 17:28:34,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 17:28:34,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 737 transitions. [2022-11-21 17:28:34,557 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6431064572425829 [2022-11-21 17:28:34,558 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 737 transitions. [2022-11-21 17:28:34,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 737 transitions. [2022-11-21 17:28:34,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 17:28:34,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 737 transitions. [2022-11-21 17:28:34,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 122.83333333333333) internal successors, (737), 6 states have internal predecessors, (737), 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) [2022-11-21 17:28:34,564 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 191.0) internal successors, (1337), 7 states have internal predecessors, (1337), 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) [2022-11-21 17:28:34,566 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 191.0) internal successors, (1337), 7 states have internal predecessors, (1337), 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) [2022-11-21 17:28:34,566 INFO L175 Difference]: Start difference. First operand has 132 places, 139 transitions, 312 flow. Second operand 6 states and 737 transitions. [2022-11-21 17:28:34,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 266 transitions, 922 flow [2022-11-21 17:28:34,575 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 266 transitions, 912 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 17:28:34,582 INFO L231 Difference]: Finished difference. Result has 134 places, 138 transitions, 308 flow [2022-11-21 17:28:34,583 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=308, PETRI_PLACES=134, PETRI_TRANSITIONS=138} [2022-11-21 17:28:34,585 INFO L288 CegarLoopForPetriNet]: 162 programPoint places, -28 predicate places. [2022-11-21 17:28:34,585 INFO L495 AbstractCegarLoop]: Abstraction has has 134 places, 138 transitions, 308 flow [2022-11-21 17:28:34,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 94.83333333333333) internal successors, (569), 6 states have internal predecessors, (569), 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) [2022-11-21 17:28:34,586 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 17:28:34,587 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] [2022-11-21 17:28:34,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 17:28:34,587 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err15ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-21 17:28:34,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:28:34,588 INFO L85 PathProgramCache]: Analyzing trace with hash -126394811, now seen corresponding path program 1 times [2022-11-21 17:28:34,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:28:34,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677013102] [2022-11-21 17:28:34,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:28:34,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:28:34,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:34,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:28:34,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:28:34,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677013102] [2022-11-21 17:28:34,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677013102] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:28:34,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:28:34,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 17:28:34,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908826041] [2022-11-21 17:28:34,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:28:34,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:28:34,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:28:34,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:28:34,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:28:34,648 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 191 [2022-11-21 17:28:34,649 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 138 transitions, 308 flow. Second operand has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 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) [2022-11-21 17:28:34,649 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 17:28:34,649 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 191 [2022-11-21 17:28:34,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 17:28:35,033 INFO L130 PetriNetUnfolder]: 603/1628 cut-off events. [2022-11-21 17:28:35,034 INFO L131 PetriNetUnfolder]: For 125/127 co-relation queries the response was YES. [2022-11-21 17:28:35,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2819 conditions, 1628 events. 603/1628 cut-off events. For 125/127 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 10298 event pairs, 221 based on Foata normal form. 1/1417 useless extension candidates. Maximal degree in co-relation 2814. Up to 627 conditions per place. [2022-11-21 17:28:35,053 INFO L137 encePairwiseOnDemand]: 183/191 looper letters, 88 selfloop transitions, 7 changer transitions 0/183 dead transitions. [2022-11-21 17:28:35,054 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 183 transitions, 603 flow [2022-11-21 17:28:35,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:28:35,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 17:28:35,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 390 transitions. [2022-11-21 17:28:35,060 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.680628272251309 [2022-11-21 17:28:35,061 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 390 transitions. [2022-11-21 17:28:35,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 390 transitions. [2022-11-21 17:28:35,062 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 17:28:35,062 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 390 transitions. [2022-11-21 17:28:35,063 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 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) [2022-11-21 17:28:35,066 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2022-11-21 17:28:35,067 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2022-11-21 17:28:35,067 INFO L175 Difference]: Start difference. First operand has 134 places, 138 transitions, 308 flow. Second operand 3 states and 390 transitions. [2022-11-21 17:28:35,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 183 transitions, 603 flow [2022-11-21 17:28:35,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 183 transitions, 596 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 17:28:35,080 INFO L231 Difference]: Finished difference. Result has 134 places, 144 transitions, 363 flow [2022-11-21 17:28:35,080 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=301, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=363, PETRI_PLACES=134, PETRI_TRANSITIONS=144} [2022-11-21 17:28:35,082 INFO L288 CegarLoopForPetriNet]: 162 programPoint places, -28 predicate places. [2022-11-21 17:28:35,083 INFO L495 AbstractCegarLoop]: Abstraction has has 134 places, 144 transitions, 363 flow [2022-11-21 17:28:35,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 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) [2022-11-21 17:28:35,084 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 17:28:35,084 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] [2022-11-21 17:28:35,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 17:28:35,085 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr2Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-21 17:28:35,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:28:35,086 INFO L85 PathProgramCache]: Analyzing trace with hash -229205227, now seen corresponding path program 1 times [2022-11-21 17:28:35,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:28:35,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801280077] [2022-11-21 17:28:35,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:28:35,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:28:35,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:35,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:28:35,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:28:35,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801280077] [2022-11-21 17:28:35,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801280077] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:28:35,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:28:35,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 17:28:35,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356979838] [2022-11-21 17:28:35,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:28:35,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:28:35,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:28:35,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:28:35,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:28:35,204 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 191 [2022-11-21 17:28:35,205 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 144 transitions, 363 flow. Second operand has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 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) [2022-11-21 17:28:35,205 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 17:28:35,205 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 191 [2022-11-21 17:28:35,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 17:28:35,631 INFO L130 PetriNetUnfolder]: 655/1740 cut-off events. [2022-11-21 17:28:35,631 INFO L131 PetriNetUnfolder]: For 382/382 co-relation queries the response was YES. [2022-11-21 17:28:35,637 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3263 conditions, 1740 events. 655/1740 cut-off events. For 382/382 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 11021 event pairs, 331 based on Foata normal form. 0/1533 useless extension candidates. Maximal degree in co-relation 3257. Up to 982 conditions per place. [2022-11-21 17:28:35,647 INFO L137 encePairwiseOnDemand]: 185/191 looper letters, 78 selfloop transitions, 7 changer transitions 0/171 dead transitions. [2022-11-21 17:28:35,647 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 171 transitions, 610 flow [2022-11-21 17:28:35,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:28:35,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 17:28:35,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 366 transitions. [2022-11-21 17:28:35,650 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6387434554973822 [2022-11-21 17:28:35,650 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 366 transitions. [2022-11-21 17:28:35,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 366 transitions. [2022-11-21 17:28:35,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 17:28:35,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 366 transitions. [2022-11-21 17:28:35,652 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 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) [2022-11-21 17:28:35,654 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2022-11-21 17:28:35,655 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 191.0) internal successors, (764), 4 states have internal predecessors, (764), 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) [2022-11-21 17:28:35,655 INFO L175 Difference]: Start difference. First operand has 134 places, 144 transitions, 363 flow. Second operand 3 states and 366 transitions. [2022-11-21 17:28:35,655 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 171 transitions, 610 flow [2022-11-21 17:28:35,659 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 171 transitions, 592 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 17:28:35,662 INFO L231 Difference]: Finished difference. Result has 136 places, 148 transitions, 401 flow [2022-11-21 17:28:35,663 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=349, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=401, PETRI_PLACES=136, PETRI_TRANSITIONS=148} [2022-11-21 17:28:35,664 INFO L288 CegarLoopForPetriNet]: 162 programPoint places, -26 predicate places. [2022-11-21 17:28:35,664 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 148 transitions, 401 flow [2022-11-21 17:28:35,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 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) [2022-11-21 17:28:35,665 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 17:28:35,665 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:28:35,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 17:28:35,665 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-21 17:28:35,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:28:35,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1750044926, now seen corresponding path program 1 times [2022-11-21 17:28:35,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:28:35,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017798435] [2022-11-21 17:28:35,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:28:35,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:28:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:35,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:28:35,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:28:35,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017798435] [2022-11-21 17:28:35,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017798435] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:28:35,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:28:35,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 17:28:35,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786480357] [2022-11-21 17:28:35,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:28:35,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 17:28:35,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:28:35,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 17:28:35,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 17:28:35,738 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 191 [2022-11-21 17:28:35,739 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 148 transitions, 401 flow. Second operand has 4 states, 4 states have (on average 105.5) internal successors, (422), 4 states have internal predecessors, (422), 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) [2022-11-21 17:28:35,739 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 17:28:35,739 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 191 [2022-11-21 17:28:35,739 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 17:28:36,411 INFO L130 PetriNetUnfolder]: 1115/3103 cut-off events. [2022-11-21 17:28:36,412 INFO L131 PetriNetUnfolder]: For 442/452 co-relation queries the response was YES. [2022-11-21 17:28:36,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5610 conditions, 3103 events. 1115/3103 cut-off events. For 442/452 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 23712 event pairs, 173 based on Foata normal form. 0/2698 useless extension candidates. Maximal degree in co-relation 5603. Up to 850 conditions per place. [2022-11-21 17:28:36,440 INFO L137 encePairwiseOnDemand]: 177/191 looper letters, 104 selfloop transitions, 15 changer transitions 0/223 dead transitions. [2022-11-21 17:28:36,440 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 223 transitions, 792 flow [2022-11-21 17:28:36,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:28:36,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-21 17:28:36,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 637 transitions. [2022-11-21 17:28:36,443 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6670157068062827 [2022-11-21 17:28:36,443 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 637 transitions. [2022-11-21 17:28:36,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 637 transitions. [2022-11-21 17:28:36,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 17:28:36,444 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 637 transitions. [2022-11-21 17:28:36,447 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 127.4) internal successors, (637), 5 states have internal predecessors, (637), 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) [2022-11-21 17:28:36,449 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 191.0) internal successors, (1146), 6 states have internal predecessors, (1146), 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) [2022-11-21 17:28:36,450 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 191.0) internal successors, (1146), 6 states have internal predecessors, (1146), 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) [2022-11-21 17:28:36,450 INFO L175 Difference]: Start difference. First operand has 136 places, 148 transitions, 401 flow. Second operand 5 states and 637 transitions. [2022-11-21 17:28:36,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 223 transitions, 792 flow [2022-11-21 17:28:36,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 223 transitions, 778 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 17:28:36,459 INFO L231 Difference]: Finished difference. Result has 142 places, 163 transitions, 521 flow [2022-11-21 17:28:36,459 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=387, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=521, PETRI_PLACES=142, PETRI_TRANSITIONS=163} [2022-11-21 17:28:36,460 INFO L288 CegarLoopForPetriNet]: 162 programPoint places, -20 predicate places. [2022-11-21 17:28:36,461 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 163 transitions, 521 flow [2022-11-21 17:28:36,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 105.5) internal successors, (422), 4 states have internal predecessors, (422), 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) [2022-11-21 17:28:36,461 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 17:28:36,462 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:28:36,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 17:28:36,462 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-21 17:28:36,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:28:36,463 INFO L85 PathProgramCache]: Analyzing trace with hash 2005830412, now seen corresponding path program 2 times [2022-11-21 17:28:36,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:28:36,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867040676] [2022-11-21 17:28:36,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:28:36,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:28:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:36,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:28:36,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:28:36,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867040676] [2022-11-21 17:28:36,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867040676] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:28:36,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:28:36,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 17:28:36,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673951993] [2022-11-21 17:28:36,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:28:36,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 17:28:36,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:28:36,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 17:28:36,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 17:28:36,530 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 191 [2022-11-21 17:28:36,531 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 163 transitions, 521 flow. Second operand has 4 states, 4 states have (on average 111.5) internal successors, (446), 4 states have internal predecessors, (446), 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) [2022-11-21 17:28:36,531 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 17:28:36,531 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 191 [2022-11-21 17:28:36,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 17:28:37,855 INFO L130 PetriNetUnfolder]: 2163/6383 cut-off events. [2022-11-21 17:28:37,855 INFO L131 PetriNetUnfolder]: For 2903/3081 co-relation queries the response was YES. [2022-11-21 17:28:37,889 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13045 conditions, 6383 events. 2163/6383 cut-off events. For 2903/3081 co-relation queries the response was YES. Maximal size of possible extension queue 233. Compared 58123 event pairs, 224 based on Foata normal form. 3/5718 useless extension candidates. Maximal degree in co-relation 13035. Up to 1191 conditions per place. [2022-11-21 17:28:37,930 INFO L137 encePairwiseOnDemand]: 187/191 looper letters, 177 selfloop transitions, 6 changer transitions 0/293 dead transitions. [2022-11-21 17:28:37,930 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 293 transitions, 1379 flow [2022-11-21 17:28:37,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:28:37,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-21 17:28:37,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 672 transitions. [2022-11-21 17:28:37,934 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7036649214659686 [2022-11-21 17:28:37,934 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 672 transitions. [2022-11-21 17:28:37,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 672 transitions. [2022-11-21 17:28:37,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 17:28:37,935 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 672 transitions. [2022-11-21 17:28:37,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 134.4) internal successors, (672), 5 states have internal predecessors, (672), 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) [2022-11-21 17:28:37,941 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 191.0) internal successors, (1146), 6 states have internal predecessors, (1146), 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) [2022-11-21 17:28:37,941 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 191.0) internal successors, (1146), 6 states have internal predecessors, (1146), 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) [2022-11-21 17:28:37,942 INFO L175 Difference]: Start difference. First operand has 142 places, 163 transitions, 521 flow. Second operand 5 states and 672 transitions. [2022-11-21 17:28:37,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 293 transitions, 1379 flow [2022-11-21 17:28:37,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 293 transitions, 1379 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-21 17:28:37,960 INFO L231 Difference]: Finished difference. Result has 150 places, 169 transitions, 571 flow [2022-11-21 17:28:37,960 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=521, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=571, PETRI_PLACES=150, PETRI_TRANSITIONS=169} [2022-11-21 17:28:37,961 INFO L288 CegarLoopForPetriNet]: 162 programPoint places, -12 predicate places. [2022-11-21 17:28:37,961 INFO L495 AbstractCegarLoop]: Abstraction has has 150 places, 169 transitions, 571 flow [2022-11-21 17:28:37,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 111.5) internal successors, (446), 4 states have internal predecessors, (446), 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) [2022-11-21 17:28:37,962 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 17:28:37,962 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:28:37,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 17:28:37,963 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-21 17:28:37,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:28:37,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1295391794, now seen corresponding path program 3 times [2022-11-21 17:28:37,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:28:37,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828702463] [2022-11-21 17:28:37,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:28:37,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:28:37,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:38,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:28:38,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:28:38,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828702463] [2022-11-21 17:28:38,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828702463] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:28:38,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:28:38,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 17:28:38,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145097476] [2022-11-21 17:28:38,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:28:38,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 17:28:38,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:28:38,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 17:28:38,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 17:28:38,063 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 191 [2022-11-21 17:28:38,064 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 169 transitions, 571 flow. Second operand has 4 states, 4 states have (on average 105.5) internal successors, (422), 4 states have internal predecessors, (422), 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) [2022-11-21 17:28:38,064 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 17:28:38,065 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 191 [2022-11-21 17:28:38,065 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 17:28:40,049 INFO L130 PetriNetUnfolder]: 3554/9528 cut-off events. [2022-11-21 17:28:40,049 INFO L131 PetriNetUnfolder]: For 5330/5604 co-relation queries the response was YES. [2022-11-21 17:28:40,107 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21115 conditions, 9528 events. 3554/9528 cut-off events. For 5330/5604 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 88932 event pairs, 694 based on Foata normal form. 20/8636 useless extension candidates. Maximal degree in co-relation 21101. Up to 3126 conditions per place. [2022-11-21 17:28:40,169 INFO L137 encePairwiseOnDemand]: 177/191 looper letters, 131 selfloop transitions, 16 changer transitions 0/251 dead transitions. [2022-11-21 17:28:40,169 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 251 transitions, 1132 flow [2022-11-21 17:28:40,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:28:40,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-21 17:28:40,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 636 transitions. [2022-11-21 17:28:40,173 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6659685863874345 [2022-11-21 17:28:40,173 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 636 transitions. [2022-11-21 17:28:40,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 636 transitions. [2022-11-21 17:28:40,174 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 17:28:40,175 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 636 transitions. [2022-11-21 17:28:40,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 127.2) internal successors, (636), 5 states have internal predecessors, (636), 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) [2022-11-21 17:28:40,180 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 191.0) internal successors, (1146), 6 states have internal predecessors, (1146), 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) [2022-11-21 17:28:40,181 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 191.0) internal successors, (1146), 6 states have internal predecessors, (1146), 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) [2022-11-21 17:28:40,181 INFO L175 Difference]: Start difference. First operand has 150 places, 169 transitions, 571 flow. Second operand 5 states and 636 transitions. [2022-11-21 17:28:40,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 251 transitions, 1132 flow [2022-11-21 17:28:40,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 251 transitions, 1132 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-21 17:28:40,205 INFO L231 Difference]: Finished difference. Result has 158 places, 184 transitions, 721 flow [2022-11-21 17:28:40,206 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=571, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=721, PETRI_PLACES=158, PETRI_TRANSITIONS=184} [2022-11-21 17:28:40,207 INFO L288 CegarLoopForPetriNet]: 162 programPoint places, -4 predicate places. [2022-11-21 17:28:40,207 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 184 transitions, 721 flow [2022-11-21 17:28:40,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 105.5) internal successors, (422), 4 states have internal predecessors, (422), 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) [2022-11-21 17:28:40,208 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 17:28:40,208 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:28:40,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 17:28:40,209 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-21 17:28:40,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:28:40,209 INFO L85 PathProgramCache]: Analyzing trace with hash 768081600, now seen corresponding path program 4 times [2022-11-21 17:28:40,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:28:40,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373533338] [2022-11-21 17:28:40,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:28:40,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:28:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:40,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:28:40,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:28:40,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373533338] [2022-11-21 17:28:40,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373533338] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:28:40,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:28:40,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 17:28:40,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260170141] [2022-11-21 17:28:40,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:28:40,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 17:28:40,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:28:40,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 17:28:40,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 17:28:40,293 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 191 [2022-11-21 17:28:40,294 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 184 transitions, 721 flow. Second operand has 4 states, 4 states have (on average 111.5) internal successors, (446), 4 states have internal predecessors, (446), 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) [2022-11-21 17:28:40,294 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 17:28:40,294 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 191 [2022-11-21 17:28:40,294 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 17:28:42,776 INFO L130 PetriNetUnfolder]: 4014/11521 cut-off events. [2022-11-21 17:28:42,777 INFO L131 PetriNetUnfolder]: For 10818/11360 co-relation queries the response was YES. [2022-11-21 17:28:42,961 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28171 conditions, 11521 events. 4014/11521 cut-off events. For 10818/11360 co-relation queries the response was YES. Maximal size of possible extension queue 369. Compared 114972 event pairs, 539 based on Foata normal form. 15/10857 useless extension candidates. Maximal degree in co-relation 28153. Up to 2345 conditions per place. [2022-11-21 17:28:43,017 INFO L137 encePairwiseOnDemand]: 187/191 looper letters, 236 selfloop transitions, 11 changer transitions 0/357 dead transitions. [2022-11-21 17:28:43,018 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 357 transitions, 2110 flow [2022-11-21 17:28:43,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:28:43,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-21 17:28:43,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 674 transitions. [2022-11-21 17:28:43,021 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7057591623036649 [2022-11-21 17:28:43,021 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 674 transitions. [2022-11-21 17:28:43,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 674 transitions. [2022-11-21 17:28:43,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 17:28:43,023 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 674 transitions. [2022-11-21 17:28:43,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 134.8) internal successors, (674), 5 states have internal predecessors, (674), 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) [2022-11-21 17:28:43,027 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 191.0) internal successors, (1146), 6 states have internal predecessors, (1146), 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) [2022-11-21 17:28:43,028 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 191.0) internal successors, (1146), 6 states have internal predecessors, (1146), 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) [2022-11-21 17:28:43,028 INFO L175 Difference]: Start difference. First operand has 158 places, 184 transitions, 721 flow. Second operand 5 states and 674 transitions. [2022-11-21 17:28:43,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 357 transitions, 2110 flow [2022-11-21 17:28:43,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 357 transitions, 2102 flow, removed 4 selfloop flow, removed 0 redundant places. [2022-11-21 17:28:43,063 INFO L231 Difference]: Finished difference. Result has 166 places, 192 transitions, 813 flow [2022-11-21 17:28:43,063 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=719, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=813, PETRI_PLACES=166, PETRI_TRANSITIONS=192} [2022-11-21 17:28:43,065 INFO L288 CegarLoopForPetriNet]: 162 programPoint places, 4 predicate places. [2022-11-21 17:28:43,065 INFO L495 AbstractCegarLoop]: Abstraction has has 166 places, 192 transitions, 813 flow [2022-11-21 17:28:43,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 111.5) internal successors, (446), 4 states have internal predecessors, (446), 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) [2022-11-21 17:28:43,066 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 17:28:43,066 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] [2022-11-21 17:28:43,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 17:28:43,066 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-21 17:28:43,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:28:43,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1839013306, now seen corresponding path program 1 times [2022-11-21 17:28:43,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:28:43,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184290356] [2022-11-21 17:28:43,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:28:43,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:28:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:43,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:28:43,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:28:43,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184290356] [2022-11-21 17:28:43,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184290356] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:28:43,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:28:43,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 17:28:43,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612740907] [2022-11-21 17:28:43,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:28:43,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 17:28:43,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:28:43,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 17:28:43,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 17:28:43,212 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 191 [2022-11-21 17:28:43,213 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 192 transitions, 813 flow. Second operand has 4 states, 4 states have (on average 112.25) internal successors, (449), 4 states have internal predecessors, (449), 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) [2022-11-21 17:28:43,213 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 17:28:43,213 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 191 [2022-11-21 17:28:43,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 17:28:45,459 INFO L130 PetriNetUnfolder]: 3397/10412 cut-off events. [2022-11-21 17:28:45,460 INFO L131 PetriNetUnfolder]: For 10032/10515 co-relation queries the response was YES. [2022-11-21 17:28:45,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25313 conditions, 10412 events. 3397/10412 cut-off events. For 10032/10515 co-relation queries the response was YES. Maximal size of possible extension queue 286. Compared 102781 event pairs, 704 based on Foata normal form. 8/9744 useless extension candidates. Maximal degree in co-relation 25291. Up to 3480 conditions per place. [2022-11-21 17:28:45,553 INFO L137 encePairwiseOnDemand]: 184/191 looper letters, 144 selfloop transitions, 11 changer transitions 0/265 dead transitions. [2022-11-21 17:28:45,553 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 265 transitions, 1516 flow [2022-11-21 17:28:45,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:28:45,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-21 17:28:45,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 623 transitions. [2022-11-21 17:28:45,556 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6523560209424084 [2022-11-21 17:28:45,556 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 623 transitions. [2022-11-21 17:28:45,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 623 transitions. [2022-11-21 17:28:45,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 17:28:45,557 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 623 transitions. [2022-11-21 17:28:45,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 124.6) internal successors, (623), 5 states have internal predecessors, (623), 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) [2022-11-21 17:28:45,562 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 191.0) internal successors, (1146), 6 states have internal predecessors, (1146), 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) [2022-11-21 17:28:45,562 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 191.0) internal successors, (1146), 6 states have internal predecessors, (1146), 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) [2022-11-21 17:28:45,563 INFO L175 Difference]: Start difference. First operand has 166 places, 192 transitions, 813 flow. Second operand 5 states and 623 transitions. [2022-11-21 17:28:45,563 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 265 transitions, 1516 flow [2022-11-21 17:28:45,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 265 transitions, 1508 flow, removed 4 selfloop flow, removed 0 redundant places. [2022-11-21 17:28:45,597 INFO L231 Difference]: Finished difference. Result has 173 places, 198 transitions, 866 flow [2022-11-21 17:28:45,597 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=797, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=866, PETRI_PLACES=173, PETRI_TRANSITIONS=198} [2022-11-21 17:28:45,598 INFO L288 CegarLoopForPetriNet]: 162 programPoint places, 11 predicate places. [2022-11-21 17:28:45,598 INFO L495 AbstractCegarLoop]: Abstraction has has 173 places, 198 transitions, 866 flow [2022-11-21 17:28:45,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 112.25) internal successors, (449), 4 states have internal predecessors, (449), 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) [2022-11-21 17:28:45,599 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 17:28:45,599 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] [2022-11-21 17:28:45,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 17:28:45,600 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-21 17:28:45,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:28:45,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1291163932, now seen corresponding path program 1 times [2022-11-21 17:28:45,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:28:45,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754677365] [2022-11-21 17:28:45,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:28:45,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:28:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:45,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:28:45,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:28:45,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754677365] [2022-11-21 17:28:45,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754677365] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:28:45,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:28:45,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 17:28:45,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397905036] [2022-11-21 17:28:45,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:28:45,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 17:28:45,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:28:45,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 17:28:45,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 17:28:45,676 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 191 [2022-11-21 17:28:45,678 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 198 transitions, 866 flow. Second operand has 4 states, 4 states have (on average 112.25) internal successors, (449), 4 states have internal predecessors, (449), 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) [2022-11-21 17:28:45,678 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 17:28:45,678 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 191 [2022-11-21 17:28:45,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 17:28:47,175 INFO L130 PetriNetUnfolder]: 2389/7126 cut-off events. [2022-11-21 17:28:47,175 INFO L131 PetriNetUnfolder]: For 7651/7966 co-relation queries the response was YES. [2022-11-21 17:28:47,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18702 conditions, 7126 events. 2389/7126 cut-off events. For 7651/7966 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 64628 event pairs, 539 based on Foata normal form. 7/6794 useless extension candidates. Maximal degree in co-relation 18676. Up to 2691 conditions per place. [2022-11-21 17:28:47,247 INFO L137 encePairwiseOnDemand]: 184/191 looper letters, 147 selfloop transitions, 11 changer transitions 0/252 dead transitions. [2022-11-21 17:28:47,247 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 252 transitions, 1475 flow [2022-11-21 17:28:47,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:28:47,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-21 17:28:47,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 624 transitions. [2022-11-21 17:28:47,250 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6534031413612565 [2022-11-21 17:28:47,251 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 624 transitions. [2022-11-21 17:28:47,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 624 transitions. [2022-11-21 17:28:47,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 17:28:47,252 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 624 transitions. [2022-11-21 17:28:47,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 124.8) internal successors, (624), 5 states have internal predecessors, (624), 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) [2022-11-21 17:28:47,257 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 191.0) internal successors, (1146), 6 states have internal predecessors, (1146), 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) [2022-11-21 17:28:47,259 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 191.0) internal successors, (1146), 6 states have internal predecessors, (1146), 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) [2022-11-21 17:28:47,259 INFO L175 Difference]: Start difference. First operand has 173 places, 198 transitions, 866 flow. Second operand 5 states and 624 transitions. [2022-11-21 17:28:47,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 252 transitions, 1475 flow [2022-11-21 17:28:47,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 252 transitions, 1437 flow, removed 13 selfloop flow, removed 4 redundant places. [2022-11-21 17:28:47,300 INFO L231 Difference]: Finished difference. Result has 172 places, 186 transitions, 793 flow [2022-11-21 17:28:47,301 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=724, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=793, PETRI_PLACES=172, PETRI_TRANSITIONS=186} [2022-11-21 17:28:47,302 INFO L288 CegarLoopForPetriNet]: 162 programPoint places, 10 predicate places. [2022-11-21 17:28:47,302 INFO L495 AbstractCegarLoop]: Abstraction has has 172 places, 186 transitions, 793 flow [2022-11-21 17:28:47,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 112.25) internal successors, (449), 4 states have internal predecessors, (449), 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) [2022-11-21 17:28:47,303 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 17:28:47,303 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] [2022-11-21 17:28:47,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 17:28:47,304 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2022-11-21 17:28:47,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:28:47,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1093365438, now seen corresponding path program 1 times [2022-11-21 17:28:47,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:28:47,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67061023] [2022-11-21 17:28:47,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:28:47,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:28:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:48,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:28:48,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:28:48,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67061023] [2022-11-21 17:28:48,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67061023] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:28:48,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:28:48,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:28:48,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035821475] [2022-11-21 17:28:48,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:28:48,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:28:48,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:28:48,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:28:48,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:28:48,026 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 191 [2022-11-21 17:28:48,027 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 186 transitions, 793 flow. Second operand has 6 states, 6 states have (on average 97.0) internal successors, (582), 6 states have internal predecessors, (582), 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) [2022-11-21 17:28:48,027 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 17:28:48,027 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 191 [2022-11-21 17:28:48,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 17:28:55,346 INFO L130 PetriNetUnfolder]: 19692/42954 cut-off events. [2022-11-21 17:28:55,346 INFO L131 PetriNetUnfolder]: For 47572/49780 co-relation queries the response was YES. [2022-11-21 17:28:55,535 INFO L83 FinitePrefix]: Finished finitePrefix Result has 117159 conditions, 42954 events. 19692/42954 cut-off events. For 47572/49780 co-relation queries the response was YES. Maximal size of possible extension queue 1085. Compared 444866 event pairs, 11113 based on Foata normal form. 12/41881 useless extension candidates. Maximal degree in co-relation 117131. Up to 27615 conditions per place. [2022-11-21 17:28:55,572 INFO L137 encePairwiseOnDemand]: 186/191 looper letters, 0 selfloop transitions, 0 changer transitions 297/297 dead transitions. [2022-11-21 17:28:55,573 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 297 transitions, 1881 flow [2022-11-21 17:28:55,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 17:28:55,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 17:28:55,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 672 transitions. [2022-11-21 17:28:55,585 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5863874345549738 [2022-11-21 17:28:55,585 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 672 transitions. [2022-11-21 17:28:55,585 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 672 transitions. [2022-11-21 17:28:55,589 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 17:28:55,589 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 672 transitions. [2022-11-21 17:28:55,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 112.0) internal successors, (672), 6 states have internal predecessors, (672), 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) [2022-11-21 17:28:55,598 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 191.0) internal successors, (1337), 7 states have internal predecessors, (1337), 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) [2022-11-21 17:28:55,599 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 191.0) internal successors, (1337), 7 states have internal predecessors, (1337), 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) [2022-11-21 17:28:55,600 INFO L175 Difference]: Start difference. First operand has 172 places, 186 transitions, 793 flow. Second operand 6 states and 672 transitions. [2022-11-21 17:28:55,600 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 297 transitions, 1881 flow [2022-11-21 17:28:55,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 297 transitions, 1881 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-21 17:28:55,799 INFO L231 Difference]: Finished difference. Result has 176 places, 0 transitions, 0 flow [2022-11-21 17:28:55,800 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=191, PETRI_DIFFERENCE_MINUEND_FLOW=791, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=176, PETRI_TRANSITIONS=0} [2022-11-21 17:28:55,802 INFO L288 CegarLoopForPetriNet]: 162 programPoint places, 14 predicate places. [2022-11-21 17:28:55,803 INFO L495 AbstractCegarLoop]: Abstraction has has 176 places, 0 transitions, 0 flow [2022-11-21 17:28:55,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 97.0) internal successors, (582), 6 states have internal predecessors, (582), 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) [2022-11-21 17:28:55,807 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (75 of 76 remaining) [2022-11-21 17:28:55,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (74 of 76 remaining) [2022-11-21 17:28:55,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (73 of 76 remaining) [2022-11-21 17:28:55,809 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err14ASSERT_VIOLATIONDATA_RACE (72 of 76 remaining) [2022-11-21 17:28:55,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (71 of 76 remaining) [2022-11-21 17:28:55,810 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (70 of 76 remaining) [2022-11-21 17:28:55,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (69 of 76 remaining) [2022-11-21 17:28:55,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (68 of 76 remaining) [2022-11-21 17:28:55,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err15ASSERT_VIOLATIONDATA_RACE (67 of 76 remaining) [2022-11-21 17:28:55,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (66 of 76 remaining) [2022-11-21 17:28:55,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (65 of 76 remaining) [2022-11-21 17:28:55,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err16ASSERT_VIOLATIONDATA_RACE (64 of 76 remaining) [2022-11-21 17:28:55,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err9ASSERT_VIOLATIONDATA_RACE (63 of 76 remaining) [2022-11-21 17:28:55,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err17ASSERT_VIOLATIONDATA_RACE (62 of 76 remaining) [2022-11-21 17:28:55,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err11ASSERT_VIOLATIONDATA_RACE (61 of 76 remaining) [2022-11-21 17:28:55,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err10ASSERT_VIOLATIONDATA_RACE (60 of 76 remaining) [2022-11-21 17:28:55,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err12ASSERT_VIOLATIONDATA_RACE (59 of 76 remaining) [2022-11-21 17:28:55,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err13ASSERT_VIOLATIONDATA_RACE (58 of 76 remaining) [2022-11-21 17:28:55,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (57 of 76 remaining) [2022-11-21 17:28:55,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (56 of 76 remaining) [2022-11-21 17:28:55,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (55 of 76 remaining) [2022-11-21 17:28:55,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err14ASSERT_VIOLATIONDATA_RACE (54 of 76 remaining) [2022-11-21 17:28:55,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (53 of 76 remaining) [2022-11-21 17:28:55,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (52 of 76 remaining) [2022-11-21 17:28:55,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (51 of 76 remaining) [2022-11-21 17:28:55,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (50 of 76 remaining) [2022-11-21 17:28:55,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err15ASSERT_VIOLATIONDATA_RACE (49 of 76 remaining) [2022-11-21 17:28:55,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (48 of 76 remaining) [2022-11-21 17:28:55,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (47 of 76 remaining) [2022-11-21 17:28:55,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err16ASSERT_VIOLATIONDATA_RACE (46 of 76 remaining) [2022-11-21 17:28:55,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (45 of 76 remaining) [2022-11-21 17:28:55,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err17ASSERT_VIOLATIONDATA_RACE (44 of 76 remaining) [2022-11-21 17:28:55,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (43 of 76 remaining) [2022-11-21 17:28:55,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (42 of 76 remaining) [2022-11-21 17:28:55,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err12ASSERT_VIOLATIONDATA_RACE (41 of 76 remaining) [2022-11-21 17:28:55,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err13ASSERT_VIOLATIONDATA_RACE (40 of 76 remaining) [2022-11-21 17:28:55,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (39 of 76 remaining) [2022-11-21 17:28:55,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (38 of 76 remaining) [2022-11-21 17:28:55,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 76 remaining) [2022-11-21 17:28:55,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 76 remaining) [2022-11-21 17:28:55,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (35 of 76 remaining) [2022-11-21 17:28:55,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (34 of 76 remaining) [2022-11-21 17:28:55,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (33 of 76 remaining) [2022-11-21 17:28:55,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err14ASSERT_VIOLATIONDATA_RACE (32 of 76 remaining) [2022-11-21 17:28:55,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (31 of 76 remaining) [2022-11-21 17:28:55,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (30 of 76 remaining) [2022-11-21 17:28:55,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (29 of 76 remaining) [2022-11-21 17:28:55,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (28 of 76 remaining) [2022-11-21 17:28:55,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err15ASSERT_VIOLATIONDATA_RACE (27 of 76 remaining) [2022-11-21 17:28:55,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (26 of 76 remaining) [2022-11-21 17:28:55,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (25 of 76 remaining) [2022-11-21 17:28:55,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err16ASSERT_VIOLATIONDATA_RACE (24 of 76 remaining) [2022-11-21 17:28:55,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err9ASSERT_VIOLATIONDATA_RACE (23 of 76 remaining) [2022-11-21 17:28:55,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err17ASSERT_VIOLATIONDATA_RACE (22 of 76 remaining) [2022-11-21 17:28:55,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err11ASSERT_VIOLATIONDATA_RACE (21 of 76 remaining) [2022-11-21 17:28:55,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err10ASSERT_VIOLATIONDATA_RACE (20 of 76 remaining) [2022-11-21 17:28:55,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err12ASSERT_VIOLATIONDATA_RACE (19 of 76 remaining) [2022-11-21 17:28:55,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err13ASSERT_VIOLATIONDATA_RACE (18 of 76 remaining) [2022-11-21 17:28:55,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (17 of 76 remaining) [2022-11-21 17:28:55,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (16 of 76 remaining) [2022-11-21 17:28:55,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (15 of 76 remaining) [2022-11-21 17:28:55,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err14ASSERT_VIOLATIONDATA_RACE (14 of 76 remaining) [2022-11-21 17:28:55,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (13 of 76 remaining) [2022-11-21 17:28:55,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (12 of 76 remaining) [2022-11-21 17:28:55,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (11 of 76 remaining) [2022-11-21 17:28:55,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (10 of 76 remaining) [2022-11-21 17:28:55,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err15ASSERT_VIOLATIONDATA_RACE (9 of 76 remaining) [2022-11-21 17:28:55,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (8 of 76 remaining) [2022-11-21 17:28:55,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (7 of 76 remaining) [2022-11-21 17:28:55,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err16ASSERT_VIOLATIONDATA_RACE (6 of 76 remaining) [2022-11-21 17:28:55,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (5 of 76 remaining) [2022-11-21 17:28:55,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err17ASSERT_VIOLATIONDATA_RACE (4 of 76 remaining) [2022-11-21 17:28:55,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (3 of 76 remaining) [2022-11-21 17:28:55,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (2 of 76 remaining) [2022-11-21 17:28:55,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err12ASSERT_VIOLATIONDATA_RACE (1 of 76 remaining) [2022-11-21 17:28:55,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err13ASSERT_VIOLATIONDATA_RACE (0 of 76 remaining) [2022-11-21 17:28:55,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 17:28:55,834 INFO L444 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:28:55,841 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-21 17:28:55,842 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 17:28:55,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 05:28:55 BasicIcfg [2022-11-21 17:28:55,855 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 17:28:55,856 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 17:28:55,856 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 17:28:55,857 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 17:28:55,857 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:28:30" (3/4) ... [2022-11-21 17:28:55,861 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 17:28:55,868 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2022-11-21 17:28:55,869 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2022-11-21 17:28:55,874 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-21 17:28:55,874 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 17:28:55,875 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 17:28:55,875 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 17:28:55,929 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96731dbd-e20e-4edc-99f2-2ab65e8132e5/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 17:28:55,930 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 17:28:55,931 INFO L158 Benchmark]: Toolchain (without parser) took 27659.94ms. Allocated memory was 161.5MB in the beginning and 8.2GB in the end (delta: 8.0GB). Free memory was 121.5MB in the beginning and 7.1GB in the end (delta: -7.0GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2022-11-21 17:28:55,931 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:28:55,931 INFO L158 Benchmark]: CACSL2BoogieTranslator took 761.51ms. Allocated memory is still 161.5MB. Free memory was 121.5MB in the beginning and 114.5MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 17:28:55,932 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.98ms. Allocated memory is still 161.5MB. Free memory was 114.5MB in the beginning and 112.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:28:55,932 INFO L158 Benchmark]: Boogie Preprocessor took 73.41ms. Allocated memory is still 161.5MB. Free memory was 112.4MB in the beginning and 110.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:28:55,933 INFO L158 Benchmark]: RCFGBuilder took 1012.98ms. Allocated memory is still 161.5MB. Free memory was 110.3MB in the beginning and 80.5MB in the end (delta: 29.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-21 17:28:55,933 INFO L158 Benchmark]: TraceAbstraction took 25636.58ms. Allocated memory was 161.5MB in the beginning and 8.2GB in the end (delta: 8.0GB). Free memory was 79.4MB in the beginning and 7.1GB in the end (delta: -7.0GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2022-11-21 17:28:55,934 INFO L158 Benchmark]: Witness Printer took 73.91ms. Allocated memory is still 8.2GB. Free memory was 7.1GB in the beginning and 7.1GB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:28:55,936 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 761.51ms. Allocated memory is still 161.5MB. Free memory was 121.5MB in the beginning and 114.5MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.98ms. Allocated memory is still 161.5MB. Free memory was 114.5MB in the beginning and 112.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.41ms. Allocated memory is still 161.5MB. Free memory was 112.4MB in the beginning and 110.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1012.98ms. Allocated memory is still 161.5MB. Free memory was 110.3MB in the beginning and 80.5MB in the end (delta: 29.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 25636.58ms. Allocated memory was 161.5MB in the beginning and 8.2GB in the end (delta: 8.0GB). Free memory was 79.4MB in the beginning and 7.1GB in the end (delta: -7.0GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * Witness Printer took 73.91ms. Allocated memory is still 8.2GB. Free memory was 7.1GB in the beginning and 7.1GB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 776]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 779]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 782]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 833]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 786]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 799]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 802]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 834]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 806]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 836]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 809]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 839]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 817]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 813]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 821]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 825]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 732]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 764]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 736]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 766]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 739]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 769]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 747]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 751]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 847]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 848]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 280 locations, 76 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: 25.4s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 22.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 645 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 645 mSDsluCounter, 140 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2258 IncrementalHoareTripleChecker+Invalid, 2308 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 110 mSDtfsCounter, 2258 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=866occurred in iteration=10, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 597 NumberOfCodeBlocks, 597 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 585 ConstructedInterpolants, 0 QuantifiedInterpolants, 871 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 38 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-21 17:28:55,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96731dbd-e20e-4edc-99f2-2ab65e8132e5/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE