./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a 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_47bccfa4-0110-4e4b-9a3b-53e9f8068058/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47bccfa4-0110-4e4b-9a3b-53e9f8068058/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47bccfa4-0110-4e4b-9a3b-53e9f8068058/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47bccfa4-0110-4e4b-9a3b-53e9f8068058/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47bccfa4-0110-4e4b-9a3b-53e9f8068058/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47bccfa4-0110-4e4b-9a3b-53e9f8068058/bin/uautomizer-Dbtcem3rbc --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 238e609d3671ff2de494998b0abc6a14651375b5eb423e7b66fc3d987b466268 --- 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-5e519f3 [2022-11-02 21:08:27,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:08:27,076 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:08:27,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:08:27,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:08:27,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:08:27,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:08:27,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:08:27,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:08:27,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:08:27,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:08:27,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:08:27,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:08:27,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:08:27,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:08:27,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:08:27,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:08:27,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:08:27,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:08:27,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:08:27,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:08:27,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:08:27,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:08:27,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:08:27,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:08:27,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:08:27,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:08:27,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:08:27,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:08:27,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:08:27,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:08:27,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:08:27,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:08:27,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:08:27,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:08:27,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:08:27,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:08:27,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:08:27,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:08:27,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:08:27,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:08:27,158 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47bccfa4-0110-4e4b-9a3b-53e9f8068058/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-02 21:08:27,182 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:08:27,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:08:27,183 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:08:27,183 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:08:27,184 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:08:27,184 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:08:27,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:08:27,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:08:27,186 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:08:27,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:08:27,187 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 21:08:27,187 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 21:08:27,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:08:27,188 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 21:08:27,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:08:27,188 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:08:27,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:08:27,189 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:08:27,189 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-02 21:08:27,189 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 21:08:27,189 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:08:27,189 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:08:27,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:08:27,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:08:27,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:08:27,190 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:08:27,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:08:27,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:08:27,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:08:27,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:08:27,192 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:08:27,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:08:27,192 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:08:27,192 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:08:27,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:08:27,193 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_47bccfa4-0110-4e4b-9a3b-53e9f8068058/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47bccfa4-0110-4e4b-9a3b-53e9f8068058/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 238e609d3671ff2de494998b0abc6a14651375b5eb423e7b66fc3d987b466268 [2022-11-02 21:08:27,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:08:27,536 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:08:27,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:08:27,541 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:08:27,542 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:08:27,543 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47bccfa4-0110-4e4b-9a3b-53e9f8068058/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c [2022-11-02 21:08:27,650 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47bccfa4-0110-4e4b-9a3b-53e9f8068058/bin/uautomizer-Dbtcem3rbc/data/cc42e5da6/d6909850e93a44649bf5461390c78bcb/FLAG79f6c021e [2022-11-02 21:08:28,278 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:08:28,279 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47bccfa4-0110-4e4b-9a3b-53e9f8068058/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c [2022-11-02 21:08:28,289 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47bccfa4-0110-4e4b-9a3b-53e9f8068058/bin/uautomizer-Dbtcem3rbc/data/cc42e5da6/d6909850e93a44649bf5461390c78bcb/FLAG79f6c021e [2022-11-02 21:08:28,608 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47bccfa4-0110-4e4b-9a3b-53e9f8068058/bin/uautomizer-Dbtcem3rbc/data/cc42e5da6/d6909850e93a44649bf5461390c78bcb [2022-11-02 21:08:28,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:08:28,616 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:08:28,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:08:28,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:08:28,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:08:28,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:08:28" (1/1) ... [2022-11-02 21:08:28,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b0e7297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:28, skipping insertion in model container [2022-11-02 21:08:28,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:08:28" (1/1) ... [2022-11-02 21:08:28,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:08:28,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:08:28,967 WARN L230 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_47bccfa4-0110-4e4b-9a3b-53e9f8068058/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c[3107,3120] [2022-11-02 21:08:28,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:08:28,992 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:08:29,068 WARN L230 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_47bccfa4-0110-4e4b-9a3b-53e9f8068058/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c[3107,3120] [2022-11-02 21:08:29,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:08:29,105 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:08:29,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:29 WrapperNode [2022-11-02 21:08:29,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:08:29,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:08:29,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:08:29,107 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:08:29,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:29" (1/1) ... [2022-11-02 21:08:29,126 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:29" (1/1) ... [2022-11-02 21:08:29,174 INFO L138 Inliner]: procedures = 25, calls = 52, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 294 [2022-11-02 21:08:29,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:08:29,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:08:29,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:08:29,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:08:29,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:29" (1/1) ... [2022-11-02 21:08:29,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:29" (1/1) ... [2022-11-02 21:08:29,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:29" (1/1) ... [2022-11-02 21:08:29,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:29" (1/1) ... [2022-11-02 21:08:29,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:29" (1/1) ... [2022-11-02 21:08:29,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:29" (1/1) ... [2022-11-02 21:08:29,257 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:29" (1/1) ... [2022-11-02 21:08:29,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:29" (1/1) ... [2022-11-02 21:08:29,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:08:29,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:08:29,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:08:29,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:08:29,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:29" (1/1) ... [2022-11-02 21:08:29,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:08:29,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47bccfa4-0110-4e4b-9a3b-53e9f8068058/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:29,320 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47bccfa4-0110-4e4b-9a3b-53e9f8068058/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:29,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47bccfa4-0110-4e4b-9a3b-53e9f8068058/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:08:29,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:08:29,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:08:29,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 21:08:29,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 21:08:29,383 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-02 21:08:29,384 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-02 21:08:29,385 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-02 21:08:29,385 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-02 21:08:29,385 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-02 21:08:29,385 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-02 21:08:29,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:08:29,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-02 21:08:29,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-02 21:08:29,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 21:08:29,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:08:29,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:08:29,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:08:29,389 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-02 21:08:29,596 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:08:29,598 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:08:30,364 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:08:30,862 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:08:30,862 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-02 21:08:30,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:08:30 BoogieIcfgContainer [2022-11-02 21:08:30,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:08:30,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:08:30,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:08:30,871 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:08:30,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:08:28" (1/3) ... [2022-11-02 21:08:30,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@316c6547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:08:30, skipping insertion in model container [2022-11-02 21:08:30,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:29" (2/3) ... [2022-11-02 21:08:30,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@316c6547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:08:30, skipping insertion in model container [2022-11-02 21:08:30,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:08:30" (3/3) ... [2022-11-02 21:08:30,875 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-send-receive.wvr.c [2022-11-02 21:08:30,884 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 21:08:30,896 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:08:30,896 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 43 error locations. [2022-11-02 21:08:30,896 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 21:08:31,018 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-02 21:08:31,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 240 places, 241 transitions, 506 flow [2022-11-02 21:08:31,232 INFO L130 PetriNetUnfolder]: 11/238 cut-off events. [2022-11-02 21:08:31,232 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-02 21:08:31,239 INFO L83 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 238 events. 11/238 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 342 event pairs, 0 based on Foata normal form. 0/184 useless extension candidates. Maximal degree in co-relation 195. Up to 2 conditions per place. [2022-11-02 21:08:31,240 INFO L82 GeneralOperation]: Start removeDead. Operand has 240 places, 241 transitions, 506 flow [2022-11-02 21:08:31,254 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 224 places, 225 transitions, 465 flow [2022-11-02 21:08:31,272 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:08:31,282 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;@7d40454b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:08:31,282 INFO L358 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2022-11-02 21:08:31,300 INFO L130 PetriNetUnfolder]: 0/26 cut-off events. [2022-11-02 21:08:31,300 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 21:08:31,300 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:08:31,301 INFO L208 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] [2022-11-02 21:08:31,302 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 74 more)] === [2022-11-02 21:08:31,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:31,309 INFO L85 PathProgramCache]: Analyzing trace with hash -2053359912, now seen corresponding path program 1 times [2022-11-02 21:08:31,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:31,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426501254] [2022-11-02 21:08:31,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:31,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:31,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:31,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:31,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426501254] [2022-11-02 21:08:31,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426501254] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:31,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:31,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:08:31,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227701864] [2022-11-02 21:08:31,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:31,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:31,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:31,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:31,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:08:31,689 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 241 [2022-11-02 21:08:31,698 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 225 transitions, 465 flow. Second operand has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 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) [2022-11-02 21:08:31,698 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:08:31,698 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 241 [2022-11-02 21:08:31,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:08:32,093 INFO L130 PetriNetUnfolder]: 142/598 cut-off events. [2022-11-02 21:08:32,094 INFO L131 PetriNetUnfolder]: For 66/76 co-relation queries the response was YES. [2022-11-02 21:08:32,097 INFO L83 FinitePrefix]: Finished finitePrefix Result has 876 conditions, 598 events. 142/598 cut-off events. For 66/76 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2731 event pairs, 83 based on Foata normal form. 44/535 useless extension candidates. Maximal degree in co-relation 708. Up to 214 conditions per place. [2022-11-02 21:08:32,102 INFO L137 encePairwiseOnDemand]: 203/241 looper letters, 22 selfloop transitions, 2 changer transitions 3/189 dead transitions. [2022-11-02 21:08:32,103 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 189 transitions, 441 flow [2022-11-02 21:08:32,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:32,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:08:32,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 597 transitions. [2022-11-02 21:08:32,120 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8257261410788381 [2022-11-02 21:08:32,121 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 597 transitions. [2022-11-02 21:08:32,122 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 597 transitions. [2022-11-02 21:08:32,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:08:32,131 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 597 transitions. [2022-11-02 21:08:32,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 199.0) internal successors, (597), 3 states have internal predecessors, (597), 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) [2022-11-02 21:08:32,148 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 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) [2022-11-02 21:08:32,149 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 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) [2022-11-02 21:08:32,151 INFO L175 Difference]: Start difference. First operand has 224 places, 225 transitions, 465 flow. Second operand 3 states and 597 transitions. [2022-11-02 21:08:32,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 189 transitions, 441 flow [2022-11-02 21:08:32,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 189 transitions, 432 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-02 21:08:32,162 INFO L231 Difference]: Finished difference. Result has 191 places, 186 transitions, 382 flow [2022-11-02 21:08:32,164 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=382, PETRI_PLACES=191, PETRI_TRANSITIONS=186} [2022-11-02 21:08:32,168 INFO L287 CegarLoopForPetriNet]: 224 programPoint places, -33 predicate places. [2022-11-02 21:08:32,168 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 186 transitions, 382 flow [2022-11-02 21:08:32,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 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) [2022-11-02 21:08:32,169 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:08:32,170 INFO L208 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] [2022-11-02 21:08:32,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 21:08:32,171 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 74 more)] === [2022-11-02 21:08:32,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:32,171 INFO L85 PathProgramCache]: Analyzing trace with hash 183306471, now seen corresponding path program 1 times [2022-11-02 21:08:32,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:32,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649060978] [2022-11-02 21:08:32,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:32,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:32,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:32,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:32,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:32,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649060978] [2022-11-02 21:08:32,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649060978] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:32,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:32,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:08:32,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514501252] [2022-11-02 21:08:32,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:32,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:32,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:32,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:32,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:08:32,290 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 241 [2022-11-02 21:08:32,291 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 186 transitions, 382 flow. Second operand has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 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) [2022-11-02 21:08:32,291 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:08:32,291 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 241 [2022-11-02 21:08:32,292 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:08:32,450 INFO L130 PetriNetUnfolder]: 76/432 cut-off events. [2022-11-02 21:08:32,451 INFO L131 PetriNetUnfolder]: For 8/18 co-relation queries the response was YES. [2022-11-02 21:08:32,452 INFO L83 FinitePrefix]: Finished finitePrefix Result has 575 conditions, 432 events. 76/432 cut-off events. For 8/18 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1579 event pairs, 38 based on Foata normal form. 0/354 useless extension candidates. Maximal degree in co-relation 541. Up to 115 conditions per place. [2022-11-02 21:08:32,455 INFO L137 encePairwiseOnDemand]: 238/241 looper letters, 19 selfloop transitions, 2 changer transitions 0/185 dead transitions. [2022-11-02 21:08:32,455 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 185 transitions, 422 flow [2022-11-02 21:08:32,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:32,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:08:32,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 568 transitions. [2022-11-02 21:08:32,458 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7856154910096819 [2022-11-02 21:08:32,458 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 568 transitions. [2022-11-02 21:08:32,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 568 transitions. [2022-11-02 21:08:32,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:08:32,459 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 568 transitions. [2022-11-02 21:08:32,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 189.33333333333334) internal successors, (568), 3 states have internal predecessors, (568), 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) [2022-11-02 21:08:32,463 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 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) [2022-11-02 21:08:32,463 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 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) [2022-11-02 21:08:32,464 INFO L175 Difference]: Start difference. First operand has 191 places, 186 transitions, 382 flow. Second operand 3 states and 568 transitions. [2022-11-02 21:08:32,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 185 transitions, 422 flow [2022-11-02 21:08:32,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 185 transitions, 418 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:08:32,469 INFO L231 Difference]: Finished difference. Result has 187 places, 185 transitions, 380 flow [2022-11-02 21:08:32,470 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=380, PETRI_PLACES=187, PETRI_TRANSITIONS=185} [2022-11-02 21:08:32,471 INFO L287 CegarLoopForPetriNet]: 224 programPoint places, -37 predicate places. [2022-11-02 21:08:32,471 INFO L495 AbstractCegarLoop]: Abstraction has has 187 places, 185 transitions, 380 flow [2022-11-02 21:08:32,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 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) [2022-11-02 21:08:32,472 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:08:32,472 INFO L208 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] [2022-11-02 21:08:32,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 21:08:32,472 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 74 more)] === [2022-11-02 21:08:32,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:32,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1263572981, now seen corresponding path program 1 times [2022-11-02 21:08:32,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:32,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551770425] [2022-11-02 21:08:32,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:32,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:32,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:32,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:32,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:32,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551770425] [2022-11-02 21:08:32,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551770425] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:32,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:32,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:08:32,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429369700] [2022-11-02 21:08:32,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:32,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:32,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:32,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:32,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:08:32,565 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 241 [2022-11-02 21:08:32,566 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 185 transitions, 380 flow. Second operand has 3 states, 3 states have (on average 186.33333333333334) internal successors, (559), 3 states have internal predecessors, (559), 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) [2022-11-02 21:08:32,567 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:08:32,567 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 241 [2022-11-02 21:08:32,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:08:32,741 INFO L130 PetriNetUnfolder]: 106/548 cut-off events. [2022-11-02 21:08:32,742 INFO L131 PetriNetUnfolder]: For 17/61 co-relation queries the response was YES. [2022-11-02 21:08:32,744 INFO L83 FinitePrefix]: Finished finitePrefix Result has 743 conditions, 548 events. 106/548 cut-off events. For 17/61 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2322 event pairs, 25 based on Foata normal form. 0/458 useless extension candidates. Maximal degree in co-relation 701. Up to 91 conditions per place. [2022-11-02 21:08:32,749 INFO L137 encePairwiseOnDemand]: 238/241 looper letters, 25 selfloop transitions, 2 changer transitions 0/194 dead transitions. [2022-11-02 21:08:32,749 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 194 transitions, 457 flow [2022-11-02 21:08:32,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:32,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:08:32,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 583 transitions. [2022-11-02 21:08:32,753 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8063623789764869 [2022-11-02 21:08:32,753 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 583 transitions. [2022-11-02 21:08:32,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 583 transitions. [2022-11-02 21:08:32,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:08:32,754 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 583 transitions. [2022-11-02 21:08:32,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 194.33333333333334) internal successors, (583), 3 states have internal predecessors, (583), 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) [2022-11-02 21:08:32,757 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 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) [2022-11-02 21:08:32,758 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 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) [2022-11-02 21:08:32,758 INFO L175 Difference]: Start difference. First operand has 187 places, 185 transitions, 380 flow. Second operand 3 states and 583 transitions. [2022-11-02 21:08:32,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 194 transitions, 457 flow [2022-11-02 21:08:32,760 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 194 transitions, 453 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:08:32,763 INFO L231 Difference]: Finished difference. Result has 187 places, 185 transitions, 384 flow [2022-11-02 21:08:32,764 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=374, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=384, PETRI_PLACES=187, PETRI_TRANSITIONS=185} [2022-11-02 21:08:32,766 INFO L287 CegarLoopForPetriNet]: 224 programPoint places, -37 predicate places. [2022-11-02 21:08:32,766 INFO L495 AbstractCegarLoop]: Abstraction has has 187 places, 185 transitions, 384 flow [2022-11-02 21:08:32,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 186.33333333333334) internal successors, (559), 3 states have internal predecessors, (559), 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) [2022-11-02 21:08:32,767 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:08:32,767 INFO L208 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] [2022-11-02 21:08:32,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 21:08:32,768 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 74 more)] === [2022-11-02 21:08:32,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:32,769 INFO L85 PathProgramCache]: Analyzing trace with hash -2113492053, now seen corresponding path program 1 times [2022-11-02 21:08:32,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:32,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556606977] [2022-11-02 21:08:32,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:32,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:32,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:32,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:32,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556606977] [2022-11-02 21:08:32,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556606977] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:32,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:32,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:08:32,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306531678] [2022-11-02 21:08:32,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:32,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:32,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:32,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:32,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:08:32,862 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 241 [2022-11-02 21:08:32,863 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 185 transitions, 384 flow. Second operand has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 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) [2022-11-02 21:08:32,863 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:08:32,863 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 241 [2022-11-02 21:08:32,863 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:08:33,143 INFO L130 PetriNetUnfolder]: 280/992 cut-off events. [2022-11-02 21:08:33,143 INFO L131 PetriNetUnfolder]: For 97/166 co-relation queries the response was YES. [2022-11-02 21:08:33,147 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1584 conditions, 992 events. 280/992 cut-off events. For 97/166 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 6029 event pairs, 197 based on Foata normal form. 0/822 useless extension candidates. Maximal degree in co-relation 1006. Up to 425 conditions per place. [2022-11-02 21:08:33,153 INFO L137 encePairwiseOnDemand]: 238/241 looper letters, 23 selfloop transitions, 2 changer transitions 0/184 dead transitions. [2022-11-02 21:08:33,153 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 184 transitions, 432 flow [2022-11-02 21:08:33,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:33,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:08:33,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 562 transitions. [2022-11-02 21:08:33,156 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7773167358229599 [2022-11-02 21:08:33,156 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 562 transitions. [2022-11-02 21:08:33,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 562 transitions. [2022-11-02 21:08:33,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:08:33,157 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 562 transitions. [2022-11-02 21:08:33,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 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) [2022-11-02 21:08:33,161 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 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) [2022-11-02 21:08:33,162 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 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) [2022-11-02 21:08:33,162 INFO L175 Difference]: Start difference. First operand has 187 places, 185 transitions, 384 flow. Second operand 3 states and 562 transitions. [2022-11-02 21:08:33,162 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 184 transitions, 432 flow [2022-11-02 21:08:33,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 184 transitions, 430 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 21:08:33,166 INFO L231 Difference]: Finished difference. Result has 187 places, 184 transitions, 384 flow [2022-11-02 21:08:33,167 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=384, PETRI_PLACES=187, PETRI_TRANSITIONS=184} [2022-11-02 21:08:33,168 INFO L287 CegarLoopForPetriNet]: 224 programPoint places, -37 predicate places. [2022-11-02 21:08:33,168 INFO L495 AbstractCegarLoop]: Abstraction has has 187 places, 184 transitions, 384 flow [2022-11-02 21:08:33,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 180.33333333333334) internal successors, (541), 3 states have internal predecessors, (541), 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) [2022-11-02 21:08:33,169 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:08:33,169 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:08:33,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 21:08:33,170 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 74 more)] === [2022-11-02 21:08:33,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:33,170 INFO L85 PathProgramCache]: Analyzing trace with hash -360968631, now seen corresponding path program 1 times [2022-11-02 21:08:33,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:33,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750535549] [2022-11-02 21:08:33,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:33,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:33,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:33,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:33,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750535549] [2022-11-02 21:08:33,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750535549] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:33,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:33,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:08:33,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207492881] [2022-11-02 21:08:33,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:33,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:33,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:33,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:33,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:08:33,212 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 241 [2022-11-02 21:08:33,213 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 184 transitions, 384 flow. Second operand has 3 states, 3 states have (on average 186.33333333333334) internal successors, (559), 3 states have internal predecessors, (559), 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) [2022-11-02 21:08:33,213 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:08:33,213 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 241 [2022-11-02 21:08:33,213 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:08:33,399 INFO L130 PetriNetUnfolder]: 109/583 cut-off events. [2022-11-02 21:08:33,399 INFO L131 PetriNetUnfolder]: For 36/64 co-relation queries the response was YES. [2022-11-02 21:08:33,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 801 conditions, 583 events. 109/583 cut-off events. For 36/64 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2697 event pairs, 59 based on Foata normal form. 0/473 useless extension candidates. Maximal degree in co-relation 751. Up to 161 conditions per place. [2022-11-02 21:08:33,404 INFO L137 encePairwiseOnDemand]: 238/241 looper letters, 17 selfloop transitions, 2 changer transitions 0/183 dead transitions. [2022-11-02 21:08:33,405 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 183 transitions, 420 flow [2022-11-02 21:08:33,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:33,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:08:33,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 574 transitions. [2022-11-02 21:08:33,407 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7939142461964038 [2022-11-02 21:08:33,407 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 574 transitions. [2022-11-02 21:08:33,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 574 transitions. [2022-11-02 21:08:33,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:08:33,408 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 574 transitions. [2022-11-02 21:08:33,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 191.33333333333334) internal successors, (574), 3 states have internal predecessors, (574), 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) [2022-11-02 21:08:33,412 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 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) [2022-11-02 21:08:33,413 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 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) [2022-11-02 21:08:33,413 INFO L175 Difference]: Start difference. First operand has 187 places, 184 transitions, 384 flow. Second operand 3 states and 574 transitions. [2022-11-02 21:08:33,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 183 transitions, 420 flow [2022-11-02 21:08:33,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 183 transitions, 416 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:08:33,417 INFO L231 Difference]: Finished difference. Result has 186 places, 183 transitions, 382 flow [2022-11-02 21:08:33,418 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=382, PETRI_PLACES=186, PETRI_TRANSITIONS=183} [2022-11-02 21:08:33,419 INFO L287 CegarLoopForPetriNet]: 224 programPoint places, -38 predicate places. [2022-11-02 21:08:33,419 INFO L495 AbstractCegarLoop]: Abstraction has has 186 places, 183 transitions, 382 flow [2022-11-02 21:08:33,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 186.33333333333334) internal successors, (559), 3 states have internal predecessors, (559), 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) [2022-11-02 21:08:33,420 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:08:33,420 INFO L208 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] [2022-11-02 21:08:33,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 21:08:33,421 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 74 more)] === [2022-11-02 21:08:33,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:33,421 INFO L85 PathProgramCache]: Analyzing trace with hash 982418295, now seen corresponding path program 1 times [2022-11-02 21:08:33,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:33,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025749434] [2022-11-02 21:08:33,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:33,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:33,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:33,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:33,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025749434] [2022-11-02 21:08:33,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025749434] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:33,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:33,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:08:33,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785485649] [2022-11-02 21:08:33,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:33,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:33,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:33,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:33,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:08:33,464 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 241 [2022-11-02 21:08:33,465 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 183 transitions, 382 flow. Second operand has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 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) [2022-11-02 21:08:33,465 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:08:33,465 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 241 [2022-11-02 21:08:33,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:08:33,642 INFO L130 PetriNetUnfolder]: 179/782 cut-off events. [2022-11-02 21:08:33,642 INFO L131 PetriNetUnfolder]: For 56/84 co-relation queries the response was YES. [2022-11-02 21:08:33,645 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1129 conditions, 782 events. 179/782 cut-off events. For 56/84 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 4304 event pairs, 105 based on Foata normal form. 0/651 useless extension candidates. Maximal degree in co-relation 1073. Up to 261 conditions per place. [2022-11-02 21:08:33,649 INFO L137 encePairwiseOnDemand]: 238/241 looper letters, 19 selfloop transitions, 1 changer transitions 0/181 dead transitions. [2022-11-02 21:08:33,650 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 181 transitions, 418 flow [2022-11-02 21:08:33,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:33,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:08:33,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 567 transitions. [2022-11-02 21:08:33,652 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7842323651452282 [2022-11-02 21:08:33,652 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 567 transitions. [2022-11-02 21:08:33,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 567 transitions. [2022-11-02 21:08:33,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:08:33,653 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 567 transitions. [2022-11-02 21:08:33,655 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 189.0) internal successors, (567), 3 states have internal predecessors, (567), 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) [2022-11-02 21:08:33,656 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 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) [2022-11-02 21:08:33,657 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 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) [2022-11-02 21:08:33,658 INFO L175 Difference]: Start difference. First operand has 186 places, 183 transitions, 382 flow. Second operand 3 states and 567 transitions. [2022-11-02 21:08:33,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 181 transitions, 418 flow [2022-11-02 21:08:33,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 181 transitions, 414 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:08:33,663 INFO L231 Difference]: Finished difference. Result has 184 places, 181 transitions, 376 flow [2022-11-02 21:08:33,663 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=374, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=376, PETRI_PLACES=184, PETRI_TRANSITIONS=181} [2022-11-02 21:08:33,666 INFO L287 CegarLoopForPetriNet]: 224 programPoint places, -40 predicate places. [2022-11-02 21:08:33,667 INFO L495 AbstractCegarLoop]: Abstraction has has 184 places, 181 transitions, 376 flow [2022-11-02 21:08:33,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 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) [2022-11-02 21:08:33,669 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:08:33,669 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:08:33,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 21:08:33,670 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 74 more)] === [2022-11-02 21:08:33,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:33,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1937121188, now seen corresponding path program 1 times [2022-11-02 21:08:33,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:33,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880020883] [2022-11-02 21:08:33,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:33,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:33,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:33,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:33,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:33,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880020883] [2022-11-02 21:08:33,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880020883] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:33,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:33,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:08:33,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109673646] [2022-11-02 21:08:33,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:33,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:33,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:33,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:33,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:08:33,783 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 241 [2022-11-02 21:08:33,784 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 181 transitions, 376 flow. Second operand has 3 states, 3 states have (on average 186.33333333333334) internal successors, (559), 3 states have internal predecessors, (559), 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) [2022-11-02 21:08:33,784 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:08:33,784 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 241 [2022-11-02 21:08:33,784 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:08:33,940 INFO L130 PetriNetUnfolder]: 109/574 cut-off events. [2022-11-02 21:08:33,940 INFO L131 PetriNetUnfolder]: For 36/64 co-relation queries the response was YES. [2022-11-02 21:08:33,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 791 conditions, 574 events. 109/574 cut-off events. For 36/64 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2602 event pairs, 59 based on Foata normal form. 0/473 useless extension candidates. Maximal degree in co-relation 736. Up to 161 conditions per place. [2022-11-02 21:08:33,945 INFO L137 encePairwiseOnDemand]: 238/241 looper letters, 17 selfloop transitions, 2 changer transitions 0/180 dead transitions. [2022-11-02 21:08:33,945 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 180 transitions, 412 flow [2022-11-02 21:08:33,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:33,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:08:33,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 574 transitions. [2022-11-02 21:08:33,948 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7939142461964038 [2022-11-02 21:08:33,948 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 574 transitions. [2022-11-02 21:08:33,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 574 transitions. [2022-11-02 21:08:33,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:08:33,949 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 574 transitions. [2022-11-02 21:08:33,950 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 191.33333333333334) internal successors, (574), 3 states have internal predecessors, (574), 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) [2022-11-02 21:08:33,952 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 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) [2022-11-02 21:08:33,952 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 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) [2022-11-02 21:08:33,952 INFO L175 Difference]: Start difference. First operand has 184 places, 181 transitions, 376 flow. Second operand 3 states and 574 transitions. [2022-11-02 21:08:33,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 180 transitions, 412 flow [2022-11-02 21:08:33,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 180 transitions, 411 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 21:08:33,957 INFO L231 Difference]: Finished difference. Result has 184 places, 180 transitions, 377 flow [2022-11-02 21:08:33,957 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=373, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=377, PETRI_PLACES=184, PETRI_TRANSITIONS=180} [2022-11-02 21:08:33,958 INFO L287 CegarLoopForPetriNet]: 224 programPoint places, -40 predicate places. [2022-11-02 21:08:33,958 INFO L495 AbstractCegarLoop]: Abstraction has has 184 places, 180 transitions, 377 flow [2022-11-02 21:08:33,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 186.33333333333334) internal successors, (559), 3 states have internal predecessors, (559), 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) [2022-11-02 21:08:33,959 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:08:33,959 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:08:33,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 21:08:33,959 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 74 more)] === [2022-11-02 21:08:33,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:33,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1806765922, now seen corresponding path program 1 times [2022-11-02 21:08:33,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:33,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350947772] [2022-11-02 21:08:33,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:33,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:34,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:34,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:34,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350947772] [2022-11-02 21:08:34,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350947772] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:34,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:34,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:08:34,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018958765] [2022-11-02 21:08:34,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:34,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:08:34,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:34,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:08:34,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:08:34,608 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 241 [2022-11-02 21:08:34,609 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 180 transitions, 377 flow. Second operand has 6 states, 6 states have (on average 157.83333333333334) internal successors, (947), 6 states have internal predecessors, (947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:34,609 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:08:34,610 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 241 [2022-11-02 21:08:34,610 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:08:35,071 INFO L130 PetriNetUnfolder]: 661/1425 cut-off events. [2022-11-02 21:08:35,071 INFO L131 PetriNetUnfolder]: For 92/92 co-relation queries the response was YES. [2022-11-02 21:08:35,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2513 conditions, 1425 events. 661/1425 cut-off events. For 92/92 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 7339 event pairs, 429 based on Foata normal form. 0/1162 useless extension candidates. Maximal degree in co-relation 2459. Up to 955 conditions per place. [2022-11-02 21:08:35,085 INFO L137 encePairwiseOnDemand]: 235/241 looper letters, 42 selfloop transitions, 5 changer transitions 0/179 dead transitions. [2022-11-02 21:08:35,085 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 179 transitions, 469 flow [2022-11-02 21:08:35,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:08:35,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 21:08:35,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 983 transitions. [2022-11-02 21:08:35,088 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.6798063623789765 [2022-11-02 21:08:35,088 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 983 transitions. [2022-11-02 21:08:35,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 983 transitions. [2022-11-02 21:08:35,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:08:35,089 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 983 transitions. [2022-11-02 21:08:35,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 163.83333333333334) internal successors, (983), 6 states have internal predecessors, (983), 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) [2022-11-02 21:08:35,094 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 241.0) internal successors, (1687), 7 states have internal predecessors, (1687), 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) [2022-11-02 21:08:35,095 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 241.0) internal successors, (1687), 7 states have internal predecessors, (1687), 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) [2022-11-02 21:08:35,095 INFO L175 Difference]: Start difference. First operand has 184 places, 180 transitions, 377 flow. Second operand 6 states and 983 transitions. [2022-11-02 21:08:35,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 179 transitions, 469 flow [2022-11-02 21:08:35,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 179 transitions, 465 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-02 21:08:35,099 INFO L231 Difference]: Finished difference. Result has 186 places, 179 transitions, 381 flow [2022-11-02 21:08:35,099 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=371, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=381, PETRI_PLACES=186, PETRI_TRANSITIONS=179} [2022-11-02 21:08:35,100 INFO L287 CegarLoopForPetriNet]: 224 programPoint places, -38 predicate places. [2022-11-02 21:08:35,100 INFO L495 AbstractCegarLoop]: Abstraction has has 186 places, 179 transitions, 381 flow [2022-11-02 21:08:35,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 157.83333333333334) internal successors, (947), 6 states have internal predecessors, (947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:08:35,100 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:08:35,101 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:08:35,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 21:08:35,101 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 74 more)] === [2022-11-02 21:08:35,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:35,101 INFO L85 PathProgramCache]: Analyzing trace with hash -2028819569, now seen corresponding path program 1 times [2022-11-02 21:08:35,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:35,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519086234] [2022-11-02 21:08:35,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:35,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:35,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:35,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:35,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519086234] [2022-11-02 21:08:35,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519086234] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:35,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:35,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:08:35,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116216615] [2022-11-02 21:08:35,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:35,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:08:35,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:35,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:08:35,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:08:35,148 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 241 [2022-11-02 21:08:35,149 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 179 transitions, 381 flow. Second operand has 3 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 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) [2022-11-02 21:08:35,149 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:08:35,149 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 241 [2022-11-02 21:08:35,149 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:08:35,373 INFO L130 PetriNetUnfolder]: 243/988 cut-off events. [2022-11-02 21:08:35,373 INFO L131 PetriNetUnfolder]: For 88/109 co-relation queries the response was YES. [2022-11-02 21:08:35,376 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1490 conditions, 988 events. 243/988 cut-off events. For 88/109 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 5667 event pairs, 105 based on Foata normal form. 0/857 useless extension candidates. Maximal degree in co-relation 1471. Up to 254 conditions per place. [2022-11-02 21:08:35,381 INFO L137 encePairwiseOnDemand]: 235/241 looper letters, 27 selfloop transitions, 5 changer transitions 0/189 dead transitions. [2022-11-02 21:08:35,381 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 189 transitions, 474 flow [2022-11-02 21:08:35,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:08:35,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 21:08:35,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 578 transitions. [2022-11-02 21:08:35,383 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7994467496542186 [2022-11-02 21:08:35,383 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 578 transitions. [2022-11-02 21:08:35,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 578 transitions. [2022-11-02 21:08:35,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:08:35,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 578 transitions. [2022-11-02 21:08:35,385 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 192.66666666666666) internal successors, (578), 3 states have internal predecessors, (578), 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) [2022-11-02 21:08:35,387 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 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) [2022-11-02 21:08:35,387 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 241.0) internal successors, (964), 4 states have internal predecessors, (964), 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) [2022-11-02 21:08:35,387 INFO L175 Difference]: Start difference. First operand has 186 places, 179 transitions, 381 flow. Second operand 3 states and 578 transitions. [2022-11-02 21:08:35,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 189 transitions, 474 flow [2022-11-02 21:08:35,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 189 transitions, 464 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-02 21:08:35,392 INFO L231 Difference]: Finished difference. Result has 182 places, 180 transitions, 398 flow [2022-11-02 21:08:35,392 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=367, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=398, PETRI_PLACES=182, PETRI_TRANSITIONS=180} [2022-11-02 21:08:35,393 INFO L287 CegarLoopForPetriNet]: 224 programPoint places, -42 predicate places. [2022-11-02 21:08:35,393 INFO L495 AbstractCegarLoop]: Abstraction has has 182 places, 180 transitions, 398 flow [2022-11-02 21:08:35,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 184.33333333333334) internal successors, (553), 3 states have internal predecessors, (553), 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) [2022-11-02 21:08:35,393 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:08:35,393 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:08:35,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 21:08:35,394 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 74 more)] === [2022-11-02 21:08:35,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:35,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1397028516, now seen corresponding path program 1 times [2022-11-02 21:08:35,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:35,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788324460] [2022-11-02 21:08:35,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:35,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:35,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:35,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:35,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:35,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788324460] [2022-11-02 21:08:35,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788324460] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:35,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:35,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:08:35,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365912215] [2022-11-02 21:08:35,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:35,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:08:35,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:35,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:08:35,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:08:35,785 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 241 [2022-11-02 21:08:35,787 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 180 transitions, 398 flow. Second operand has 6 states, 6 states have (on average 163.0) internal successors, (978), 6 states have internal predecessors, (978), 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) [2022-11-02 21:08:35,787 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:08:35,787 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 241 [2022-11-02 21:08:35,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:08:36,576 INFO L130 PetriNetUnfolder]: 954/1937 cut-off events. [2022-11-02 21:08:36,576 INFO L131 PetriNetUnfolder]: For 1241/1425 co-relation queries the response was YES. [2022-11-02 21:08:36,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4037 conditions, 1937 events. 954/1937 cut-off events. For 1241/1425 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 10389 event pairs, 111 based on Foata normal form. 0/1682 useless extension candidates. Maximal degree in co-relation 3981. Up to 673 conditions per place. [2022-11-02 21:08:36,599 INFO L137 encePairwiseOnDemand]: 236/241 looper letters, 81 selfloop transitions, 4 changer transitions 0/223 dead transitions. [2022-11-02 21:08:36,599 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 223 transitions, 750 flow [2022-11-02 21:08:36,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:08:36,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 21:08:36,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1037 transitions. [2022-11-02 21:08:36,603 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7171507607192255 [2022-11-02 21:08:36,603 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1037 transitions. [2022-11-02 21:08:36,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1037 transitions. [2022-11-02 21:08:36,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:08:36,604 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1037 transitions. [2022-11-02 21:08:36,607 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 172.83333333333334) internal successors, (1037), 6 states have internal predecessors, (1037), 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) [2022-11-02 21:08:36,610 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 241.0) internal successors, (1687), 7 states have internal predecessors, (1687), 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) [2022-11-02 21:08:36,611 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 241.0) internal successors, (1687), 7 states have internal predecessors, (1687), 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) [2022-11-02 21:08:36,611 INFO L175 Difference]: Start difference. First operand has 182 places, 180 transitions, 398 flow. Second operand 6 states and 1037 transitions. [2022-11-02 21:08:36,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 223 transitions, 750 flow [2022-11-02 21:08:36,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 223 transitions, 729 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 21:08:36,625 INFO L231 Difference]: Finished difference. Result has 185 places, 179 transitions, 399 flow [2022-11-02 21:08:36,627 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=391, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=399, PETRI_PLACES=185, PETRI_TRANSITIONS=179} [2022-11-02 21:08:36,629 INFO L287 CegarLoopForPetriNet]: 224 programPoint places, -39 predicate places. [2022-11-02 21:08:36,629 INFO L495 AbstractCegarLoop]: Abstraction has has 185 places, 179 transitions, 399 flow [2022-11-02 21:08:36,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 163.0) internal successors, (978), 6 states have internal predecessors, (978), 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) [2022-11-02 21:08:36,630 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:08:36,630 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:08:36,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 21:08:36,631 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 74 more)] === [2022-11-02 21:08:36,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:36,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1339477493, now seen corresponding path program 1 times [2022-11-02 21:08:36,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:36,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704588356] [2022-11-02 21:08:36,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:36,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:36,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:36,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:36,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704588356] [2022-11-02 21:08:36,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704588356] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:36,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:36,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:08:36,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480385124] [2022-11-02 21:08:36,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:36,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:08:36,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:36,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:08:36,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:08:36,876 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 241 [2022-11-02 21:08:36,877 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 179 transitions, 399 flow. Second operand has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 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) [2022-11-02 21:08:36,878 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:08:36,878 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 241 [2022-11-02 21:08:36,878 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:08:37,142 INFO L130 PetriNetUnfolder]: 211/856 cut-off events. [2022-11-02 21:08:37,142 INFO L131 PetriNetUnfolder]: For 155/235 co-relation queries the response was YES. [2022-11-02 21:08:37,147 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1412 conditions, 856 events. 211/856 cut-off events. For 155/235 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 4517 event pairs, 44 based on Foata normal form. 3/758 useless extension candidates. Maximal degree in co-relation 1355. Up to 130 conditions per place. [2022-11-02 21:08:37,152 INFO L137 encePairwiseOnDemand]: 236/241 looper letters, 43 selfloop transitions, 5 changer transitions 0/207 dead transitions. [2022-11-02 21:08:37,152 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 207 transitions, 598 flow [2022-11-02 21:08:37,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:08:37,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-02 21:08:37,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 976 transitions. [2022-11-02 21:08:37,156 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8099585062240664 [2022-11-02 21:08:37,156 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 976 transitions. [2022-11-02 21:08:37,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 976 transitions. [2022-11-02 21:08:37,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:08:37,157 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 976 transitions. [2022-11-02 21:08:37,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 195.2) internal successors, (976), 5 states have internal predecessors, (976), 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) [2022-11-02 21:08:37,162 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 241.0) internal successors, (1446), 6 states have internal predecessors, (1446), 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) [2022-11-02 21:08:37,163 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 241.0) internal successors, (1446), 6 states have internal predecessors, (1446), 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) [2022-11-02 21:08:37,163 INFO L175 Difference]: Start difference. First operand has 185 places, 179 transitions, 399 flow. Second operand 5 states and 976 transitions. [2022-11-02 21:08:37,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 207 transitions, 598 flow [2022-11-02 21:08:37,166 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 207 transitions, 591 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 21:08:37,169 INFO L231 Difference]: Finished difference. Result has 188 places, 182 transitions, 423 flow [2022-11-02 21:08:37,170 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=423, PETRI_PLACES=188, PETRI_TRANSITIONS=182} [2022-11-02 21:08:37,171 INFO L287 CegarLoopForPetriNet]: 224 programPoint places, -36 predicate places. [2022-11-02 21:08:37,171 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 182 transitions, 423 flow [2022-11-02 21:08:37,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 189.0) internal successors, (756), 4 states have internal predecessors, (756), 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) [2022-11-02 21:08:37,172 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:08:37,172 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:08:37,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-02 21:08:37,172 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 74 more)] === [2022-11-02 21:08:37,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:37,173 INFO L85 PathProgramCache]: Analyzing trace with hash 176934711, now seen corresponding path program 1 times [2022-11-02 21:08:37,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:37,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221544284] [2022-11-02 21:08:37,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:37,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:37,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:37,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:37,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221544284] [2022-11-02 21:08:37,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221544284] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:37,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:37,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:08:37,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059916251] [2022-11-02 21:08:37,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:37,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:08:37,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:37,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:08:37,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:08:37,668 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 241 [2022-11-02 21:08:37,670 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 182 transitions, 423 flow. Second operand has 6 states, 6 states have (on average 164.33333333333334) internal successors, (986), 6 states have internal predecessors, (986), 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) [2022-11-02 21:08:37,671 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:08:37,671 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 241 [2022-11-02 21:08:37,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:08:38,286 INFO L130 PetriNetUnfolder]: 888/1948 cut-off events. [2022-11-02 21:08:38,286 INFO L131 PetriNetUnfolder]: For 1283/1471 co-relation queries the response was YES. [2022-11-02 21:08:38,296 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4453 conditions, 1948 events. 888/1948 cut-off events. For 1283/1471 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 11251 event pairs, 433 based on Foata normal form. 0/1657 useless extension candidates. Maximal degree in co-relation 4392. Up to 1158 conditions per place. [2022-11-02 21:08:38,308 INFO L137 encePairwiseOnDemand]: 236/241 looper letters, 55 selfloop transitions, 4 changer transitions 0/197 dead transitions. [2022-11-02 21:08:38,309 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 197 transitions, 587 flow [2022-11-02 21:08:38,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:08:38,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 21:08:38,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1020 transitions. [2022-11-02 21:08:38,312 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7053941908713693 [2022-11-02 21:08:38,312 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1020 transitions. [2022-11-02 21:08:38,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1020 transitions. [2022-11-02 21:08:38,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:08:38,313 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1020 transitions. [2022-11-02 21:08:38,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 170.0) internal successors, (1020), 6 states have internal predecessors, (1020), 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) [2022-11-02 21:08:38,318 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 241.0) internal successors, (1687), 7 states have internal predecessors, (1687), 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) [2022-11-02 21:08:38,319 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 241.0) internal successors, (1687), 7 states have internal predecessors, (1687), 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) [2022-11-02 21:08:38,320 INFO L175 Difference]: Start difference. First operand has 188 places, 182 transitions, 423 flow. Second operand 6 states and 1020 transitions. [2022-11-02 21:08:38,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 197 transitions, 587 flow [2022-11-02 21:08:38,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 197 transitions, 584 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 21:08:38,325 INFO L231 Difference]: Finished difference. Result has 191 places, 181 transitions, 426 flow [2022-11-02 21:08:38,326 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=426, PETRI_PLACES=191, PETRI_TRANSITIONS=181} [2022-11-02 21:08:38,327 INFO L287 CegarLoopForPetriNet]: 224 programPoint places, -33 predicate places. [2022-11-02 21:08:38,327 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 181 transitions, 426 flow [2022-11-02 21:08:38,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 164.33333333333334) internal successors, (986), 6 states have internal predecessors, (986), 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) [2022-11-02 21:08:38,328 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:08:38,328 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:08:38,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-02 21:08:38,329 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 74 more)] === [2022-11-02 21:08:38,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:38,329 INFO L85 PathProgramCache]: Analyzing trace with hash 408457116, now seen corresponding path program 1 times [2022-11-02 21:08:38,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:38,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064914846] [2022-11-02 21:08:38,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:38,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:38,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:38,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:38,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:38,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064914846] [2022-11-02 21:08:38,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064914846] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:38,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:38,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:08:38,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004440513] [2022-11-02 21:08:38,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:38,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 21:08:38,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:38,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:08:38,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:08:38,478 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 241 [2022-11-02 21:08:38,479 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 181 transitions, 426 flow. Second operand has 4 states, 4 states have (on average 189.75) internal successors, (759), 4 states have internal predecessors, (759), 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) [2022-11-02 21:08:38,479 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:08:38,479 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 241 [2022-11-02 21:08:38,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:08:38,772 INFO L130 PetriNetUnfolder]: 256/1150 cut-off events. [2022-11-02 21:08:38,773 INFO L131 PetriNetUnfolder]: For 433/739 co-relation queries the response was YES. [2022-11-02 21:08:38,779 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2102 conditions, 1150 events. 256/1150 cut-off events. For 433/739 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 7257 event pairs, 29 based on Foata normal form. 2/1059 useless extension candidates. Maximal degree in co-relation 2041. Up to 166 conditions per place. [2022-11-02 21:08:38,785 INFO L137 encePairwiseOnDemand]: 236/241 looper letters, 45 selfloop transitions, 7 changer transitions 0/210 dead transitions. [2022-11-02 21:08:38,785 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 210 transitions, 659 flow [2022-11-02 21:08:38,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:08:38,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-02 21:08:38,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 975 transitions. [2022-11-02 21:08:38,788 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8091286307053942 [2022-11-02 21:08:38,788 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 975 transitions. [2022-11-02 21:08:38,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 975 transitions. [2022-11-02 21:08:38,789 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:08:38,789 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 975 transitions. [2022-11-02 21:08:38,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 195.0) internal successors, (975), 5 states have internal predecessors, (975), 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) [2022-11-02 21:08:38,794 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 241.0) internal successors, (1446), 6 states have internal predecessors, (1446), 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) [2022-11-02 21:08:38,795 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 241.0) internal successors, (1446), 6 states have internal predecessors, (1446), 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) [2022-11-02 21:08:38,795 INFO L175 Difference]: Start difference. First operand has 191 places, 181 transitions, 426 flow. Second operand 5 states and 975 transitions. [2022-11-02 21:08:38,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 210 transitions, 659 flow [2022-11-02 21:08:38,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 210 transitions, 652 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-02 21:08:38,801 INFO L231 Difference]: Finished difference. Result has 194 places, 185 transitions, 465 flow [2022-11-02 21:08:38,802 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=419, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=465, PETRI_PLACES=194, PETRI_TRANSITIONS=185} [2022-11-02 21:08:38,802 INFO L287 CegarLoopForPetriNet]: 224 programPoint places, -30 predicate places. [2022-11-02 21:08:38,803 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 185 transitions, 465 flow [2022-11-02 21:08:38,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 189.75) internal successors, (759), 4 states have internal predecessors, (759), 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) [2022-11-02 21:08:38,803 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 21:08:38,804 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:08:38,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-02 21:08:38,804 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 74 more)] === [2022-11-02 21:08:38,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:38,805 INFO L85 PathProgramCache]: Analyzing trace with hash -2034266344, now seen corresponding path program 2 times [2022-11-02 21:08:38,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:38,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387428891] [2022-11-02 21:08:38,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:38,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:39,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:08:39,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:39,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387428891] [2022-11-02 21:08:39,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387428891] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:39,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:39,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:08:39,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579658912] [2022-11-02 21:08:39,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:39,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:08:39,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:39,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:08:39,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:08:39,332 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 241 [2022-11-02 21:08:39,334 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 185 transitions, 465 flow. Second operand has 6 states, 6 states have (on average 165.5) internal successors, (993), 6 states have internal predecessors, (993), 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) [2022-11-02 21:08:39,334 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 21:08:39,334 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 241 [2022-11-02 21:08:39,334 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 21:08:40,144 INFO L130 PetriNetUnfolder]: 1327/2945 cut-off events. [2022-11-02 21:08:40,145 INFO L131 PetriNetUnfolder]: For 2800/3067 co-relation queries the response was YES. [2022-11-02 21:08:40,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7245 conditions, 2945 events. 1327/2945 cut-off events. For 2800/3067 co-relation queries the response was YES. Maximal size of possible extension queue 139. Compared 19452 event pairs, 582 based on Foata normal form. 3/2507 useless extension candidates. Maximal degree in co-relation 7180. Up to 1863 conditions per place. [2022-11-02 21:08:40,165 INFO L137 encePairwiseOnDemand]: 236/241 looper letters, 0 selfloop transitions, 0 changer transitions 184/184 dead transitions. [2022-11-02 21:08:40,165 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 184 transitions, 555 flow [2022-11-02 21:08:40,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 21:08:40,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 21:08:40,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1003 transitions. [2022-11-02 21:08:40,169 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.6936376210235131 [2022-11-02 21:08:40,169 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1003 transitions. [2022-11-02 21:08:40,170 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1003 transitions. [2022-11-02 21:08:40,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:08:40,171 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1003 transitions. [2022-11-02 21:08:40,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 167.16666666666666) internal successors, (1003), 6 states have internal predecessors, (1003), 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) [2022-11-02 21:08:40,176 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 241.0) internal successors, (1687), 7 states have internal predecessors, (1687), 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) [2022-11-02 21:08:40,178 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 241.0) internal successors, (1687), 7 states have internal predecessors, (1687), 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) [2022-11-02 21:08:40,178 INFO L175 Difference]: Start difference. First operand has 194 places, 185 transitions, 465 flow. Second operand 6 states and 1003 transitions. [2022-11-02 21:08:40,178 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 184 transitions, 555 flow [2022-11-02 21:08:40,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 184 transitions, 551 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 21:08:40,184 INFO L231 Difference]: Finished difference. Result has 197 places, 0 transitions, 0 flow [2022-11-02 21:08:40,185 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=241, PETRI_DIFFERENCE_MINUEND_FLOW=459, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=197, PETRI_TRANSITIONS=0} [2022-11-02 21:08:40,185 INFO L287 CegarLoopForPetriNet]: 224 programPoint places, -27 predicate places. [2022-11-02 21:08:40,186 INFO L495 AbstractCegarLoop]: Abstraction has has 197 places, 0 transitions, 0 flow [2022-11-02 21:08:40,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 165.5) internal successors, (993), 6 states have internal predecessors, (993), 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) [2022-11-02 21:08:40,189 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (77 of 78 remaining) [2022-11-02 21:08:40,190 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (76 of 78 remaining) [2022-11-02 21:08:40,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (75 of 78 remaining) [2022-11-02 21:08:40,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (74 of 78 remaining) [2022-11-02 21:08:40,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (73 of 78 remaining) [2022-11-02 21:08:40,191 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (72 of 78 remaining) [2022-11-02 21:08:40,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (71 of 78 remaining) [2022-11-02 21:08:40,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (70 of 78 remaining) [2022-11-02 21:08:40,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (69 of 78 remaining) [2022-11-02 21:08:40,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (68 of 78 remaining) [2022-11-02 21:08:40,192 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (67 of 78 remaining) [2022-11-02 21:08:40,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (66 of 78 remaining) [2022-11-02 21:08:40,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (65 of 78 remaining) [2022-11-02 21:08:40,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (64 of 78 remaining) [2022-11-02 21:08:40,193 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (63 of 78 remaining) [2022-11-02 21:08:40,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (62 of 78 remaining) [2022-11-02 21:08:40,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (61 of 78 remaining) [2022-11-02 21:08:40,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (60 of 78 remaining) [2022-11-02 21:08:40,194 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (59 of 78 remaining) [2022-11-02 21:08:40,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (58 of 78 remaining) [2022-11-02 21:08:40,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (57 of 78 remaining) [2022-11-02 21:08:40,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (56 of 78 remaining) [2022-11-02 21:08:40,195 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (55 of 78 remaining) [2022-11-02 21:08:40,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (54 of 78 remaining) [2022-11-02 21:08:40,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (53 of 78 remaining) [2022-11-02 21:08:40,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (52 of 78 remaining) [2022-11-02 21:08:40,196 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (51 of 78 remaining) [2022-11-02 21:08:40,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (50 of 78 remaining) [2022-11-02 21:08:40,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (49 of 78 remaining) [2022-11-02 21:08:40,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (48 of 78 remaining) [2022-11-02 21:08:40,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (47 of 78 remaining) [2022-11-02 21:08:40,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (46 of 78 remaining) [2022-11-02 21:08:40,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (45 of 78 remaining) [2022-11-02 21:08:40,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (44 of 78 remaining) [2022-11-02 21:08:40,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (43 of 78 remaining) [2022-11-02 21:08:40,198 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (42 of 78 remaining) [2022-11-02 21:08:40,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (41 of 78 remaining) [2022-11-02 21:08:40,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (40 of 78 remaining) [2022-11-02 21:08:40,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (39 of 78 remaining) [2022-11-02 21:08:40,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (38 of 78 remaining) [2022-11-02 21:08:40,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (37 of 78 remaining) [2022-11-02 21:08:40,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (36 of 78 remaining) [2022-11-02 21:08:40,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (35 of 78 remaining) [2022-11-02 21:08:40,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 78 remaining) [2022-11-02 21:08:40,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 78 remaining) [2022-11-02 21:08:40,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 78 remaining) [2022-11-02 21:08:40,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (31 of 78 remaining) [2022-11-02 21:08:40,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (30 of 78 remaining) [2022-11-02 21:08:40,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (29 of 78 remaining) [2022-11-02 21:08:40,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (28 of 78 remaining) [2022-11-02 21:08:40,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (27 of 78 remaining) [2022-11-02 21:08:40,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (26 of 78 remaining) [2022-11-02 21:08:40,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (25 of 78 remaining) [2022-11-02 21:08:40,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (24 of 78 remaining) [2022-11-02 21:08:40,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (23 of 78 remaining) [2022-11-02 21:08:40,203 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (22 of 78 remaining) [2022-11-02 21:08:40,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (21 of 78 remaining) [2022-11-02 21:08:40,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (20 of 78 remaining) [2022-11-02 21:08:40,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (19 of 78 remaining) [2022-11-02 21:08:40,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (18 of 78 remaining) [2022-11-02 21:08:40,204 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 78 remaining) [2022-11-02 21:08:40,205 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 78 remaining) [2022-11-02 21:08:40,205 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 78 remaining) [2022-11-02 21:08:40,205 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 78 remaining) [2022-11-02 21:08:40,205 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (13 of 78 remaining) [2022-11-02 21:08:40,206 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (12 of 78 remaining) [2022-11-02 21:08:40,206 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (11 of 78 remaining) [2022-11-02 21:08:40,206 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (10 of 78 remaining) [2022-11-02 21:08:40,206 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (9 of 78 remaining) [2022-11-02 21:08:40,207 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (8 of 78 remaining) [2022-11-02 21:08:40,207 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (7 of 78 remaining) [2022-11-02 21:08:40,207 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (6 of 78 remaining) [2022-11-02 21:08:40,207 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (5 of 78 remaining) [2022-11-02 21:08:40,207 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (4 of 78 remaining) [2022-11-02 21:08:40,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (3 of 78 remaining) [2022-11-02 21:08:40,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (2 of 78 remaining) [2022-11-02 21:08:40,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 78 remaining) [2022-11-02 21:08:40,208 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (0 of 78 remaining) [2022-11-02 21:08:40,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-02 21:08:40,209 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:08:40,216 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-02 21:08:40,216 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 21:08:40,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 09:08:40 BasicIcfg [2022-11-02 21:08:40,223 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 21:08:40,224 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 21:08:40,224 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 21:08:40,224 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 21:08:40,225 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:08:30" (3/4) ... [2022-11-02 21:08:40,228 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 21:08:40,234 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-02 21:08:40,235 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-02 21:08:40,235 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-02 21:08:40,240 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-02 21:08:40,240 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-02 21:08:40,241 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 21:08:40,241 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 21:08:40,286 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47bccfa4-0110-4e4b-9a3b-53e9f8068058/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 21:08:40,286 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 21:08:40,287 INFO L158 Benchmark]: Toolchain (without parser) took 11672.84ms. Allocated memory was 136.3MB in the beginning and 320.9MB in the end (delta: 184.5MB). Free memory was 103.9MB in the beginning and 208.3MB in the end (delta: -104.5MB). Peak memory consumption was 80.1MB. Max. memory is 16.1GB. [2022-11-02 21:08:40,288 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 81.8MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 40.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:08:40,288 INFO L158 Benchmark]: CACSL2BoogieTranslator took 485.26ms. Allocated memory is still 136.3MB. Free memory was 103.9MB in the beginning and 111.1MB in the end (delta: -7.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 21:08:40,288 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.04ms. Allocated memory is still 136.3MB. Free memory was 111.1MB in the beginning and 108.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 21:08:40,289 INFO L158 Benchmark]: Boogie Preprocessor took 79.81ms. Allocated memory is still 136.3MB. Free memory was 108.5MB in the beginning and 105.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:08:40,289 INFO L158 Benchmark]: RCFGBuilder took 1601.66ms. Allocated memory is still 136.3MB. Free memory was 105.9MB in the beginning and 105.4MB in the end (delta: 526.4kB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2022-11-02 21:08:40,289 INFO L158 Benchmark]: TraceAbstraction took 9355.99ms. Allocated memory was 136.3MB in the beginning and 320.9MB in the end (delta: 184.5MB). Free memory was 104.7MB in the beginning and 211.5MB in the end (delta: -106.8MB). Peak memory consumption was 209.6MB. Max. memory is 16.1GB. [2022-11-02 21:08:40,290 INFO L158 Benchmark]: Witness Printer took 63.05ms. Allocated memory is still 320.9MB. Free memory was 211.5MB in the beginning and 208.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:08:40,292 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 81.8MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 40.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 485.26ms. Allocated memory is still 136.3MB. Free memory was 103.9MB in the beginning and 111.1MB in the end (delta: -7.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.04ms. Allocated memory is still 136.3MB. Free memory was 111.1MB in the beginning and 108.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.81ms. Allocated memory is still 136.3MB. Free memory was 108.5MB in the beginning and 105.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1601.66ms. Allocated memory is still 136.3MB. Free memory was 105.9MB in the beginning and 105.4MB in the end (delta: 526.4kB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. * TraceAbstraction took 9355.99ms. Allocated memory was 136.3MB in the beginning and 320.9MB in the end (delta: 184.5MB). Free memory was 104.7MB in the beginning and 211.5MB in the end (delta: -106.8MB). Peak memory consumption was 209.6MB. Max. memory is 16.1GB. * Witness Printer took 63.05ms. Allocated memory is still 320.9MB. Free memory was 211.5MB in the beginning and 208.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 305 locations, 78 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: 9.1s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 133 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 133 mSDsluCounter, 133 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 217 mSDsCounter, 84 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 781 IncrementalHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 84 mSolverCounterUnsat, 127 mSDtfsCounter, 781 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=465occurred in iteration=0, InterpolantAutomatonStates: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 1081 NumberOfCodeBlocks, 1081 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1067 ConstructedInterpolants, 0 QuantifiedInterpolants, 1687 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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 43 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-02 21:08:40,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47bccfa4-0110-4e4b-9a3b-53e9f8068058/bin/uautomizer-Dbtcem3rbc/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