./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b61b36d-d899-409c-ab49-1a489378d0e8/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b61b36d-d899-409c-ab49-1a489378d0e8/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b61b36d-d899-409c-ab49-1a489378d0e8/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b61b36d-d899-409c-ab49-1a489378d0e8/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b61b36d-d899-409c-ab49-1a489378d0e8/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b61b36d-d899-409c-ab49-1a489378d0e8/bin/uautomizer-tPACEb0tL8 --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 0d8799100fd609ab67add98408724f155026fd97a78e0a4112bb89c435f95463 --- 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-e04fb08 [2022-11-16 12:24:03,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:24:03,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:24:03,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:24:03,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:24:03,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:24:03,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:24:03,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:24:03,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:24:03,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:24:03,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:24:03,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:24:03,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:24:03,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:24:03,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:24:03,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:24:03,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:24:03,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:24:03,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:24:03,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:24:03,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:24:03,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:24:03,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:24:03,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:24:03,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:24:03,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:24:03,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:24:03,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:24:03,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:24:03,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:24:03,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:24:03,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:24:03,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:24:03,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:24:03,320 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:24:03,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:24:03,321 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:24:03,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:24:03,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:24:03,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:24:03,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:24:03,325 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b61b36d-d899-409c-ab49-1a489378d0e8/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 12:24:03,361 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:24:03,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:24:03,362 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:24:03,362 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:24:03,363 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:24:03,363 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:24:03,364 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:24:03,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:24:03,365 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:24:03,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:24:03,367 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:24:03,367 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:24:03,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:24:03,367 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:24:03,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:24:03,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:24:03,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:24:03,369 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:24:03,369 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 12:24:03,369 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:24:03,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:24:03,370 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:24:03,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:24:03,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:24:03,371 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:24:03,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:24:03,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:24:03,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:24:03,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:24:03,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:24:03,372 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:24:03,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:24:03,373 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:24:03,373 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:24:03,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:24:03,374 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_3b61b36d-d899-409c-ab49-1a489378d0e8/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b61b36d-d899-409c-ab49-1a489378d0e8/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d8799100fd609ab67add98408724f155026fd97a78e0a4112bb89c435f95463 [2022-11-16 12:24:03,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:24:03,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:24:03,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:24:03,687 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:24:03,688 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:24:03,689 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b61b36d-d899-409c-ab49-1a489378d0e8/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c [2022-11-16 12:24:03,750 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b61b36d-d899-409c-ab49-1a489378d0e8/bin/uautomizer-tPACEb0tL8/data/3fcc32834/f408b4d8212f431d9edfb5f8e5ef7f01/FLAG38d11710b [2022-11-16 12:24:04,200 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:24:04,201 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b61b36d-d899-409c-ab49-1a489378d0e8/sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c [2022-11-16 12:24:04,208 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b61b36d-d899-409c-ab49-1a489378d0e8/bin/uautomizer-tPACEb0tL8/data/3fcc32834/f408b4d8212f431d9edfb5f8e5ef7f01/FLAG38d11710b [2022-11-16 12:24:04,577 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b61b36d-d899-409c-ab49-1a489378d0e8/bin/uautomizer-tPACEb0tL8/data/3fcc32834/f408b4d8212f431d9edfb5f8e5ef7f01 [2022-11-16 12:24:04,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:24:04,580 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:24:04,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:24:04,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:24:04,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:24:04,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:24:04" (1/1) ... [2022-11-16 12:24:04,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4048151a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:04, skipping insertion in model container [2022-11-16 12:24:04,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:24:04" (1/1) ... [2022-11-16 12:24:04,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:24:04,614 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:24:04,882 WARN L229 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_3b61b36d-d899-409c-ab49-1a489378d0e8/sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c[2486,2499] [2022-11-16 12:24:04,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:24:04,912 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:24:04,972 WARN L229 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_3b61b36d-d899-409c-ab49-1a489378d0e8/sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c[2486,2499] [2022-11-16 12:24:04,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:24:05,006 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:24:05,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:05 WrapperNode [2022-11-16 12:24:05,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:24:05,008 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:24:05,008 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:24:05,008 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:24:05,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:05" (1/1) ... [2022-11-16 12:24:05,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:05" (1/1) ... [2022-11-16 12:24:05,075 INFO L138 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 162 [2022-11-16 12:24:05,075 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:24:05,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:24:05,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:24:05,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:24:05,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:05" (1/1) ... [2022-11-16 12:24:05,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:05" (1/1) ... [2022-11-16 12:24:05,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:05" (1/1) ... [2022-11-16 12:24:05,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:05" (1/1) ... [2022-11-16 12:24:05,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:05" (1/1) ... [2022-11-16 12:24:05,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:05" (1/1) ... [2022-11-16 12:24:05,130 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:05" (1/1) ... [2022-11-16 12:24:05,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:05" (1/1) ... [2022-11-16 12:24:05,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:24:05,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:24:05,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:24:05,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:24:05,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:05" (1/1) ... [2022-11-16 12:24:05,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:24:05,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b61b36d-d899-409c-ab49-1a489378d0e8/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:24:05,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b61b36d-d899-409c-ab49-1a489378d0e8/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:24:05,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b61b36d-d899-409c-ab49-1a489378d0e8/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:24:05,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:24:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 12:24:05,219 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 12:24:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 12:24:05,219 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 12:24:05,219 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-16 12:24:05,220 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-16 12:24:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:24:05,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:24:05,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:24:05,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 12:24:05,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 12:24:05,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 12:24:05,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:24:05,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:24:05,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:24:05,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:24:05,226 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 12:24:05,335 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:24:05,338 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:24:06,039 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:24:06,313 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:24:06,314 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-16 12:24:06,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:24:06 BoogieIcfgContainer [2022-11-16 12:24:06,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:24:06,321 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:24:06,321 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:24:06,325 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:24:06,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:24:04" (1/3) ... [2022-11-16 12:24:06,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dce7bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:24:06, skipping insertion in model container [2022-11-16 12:24:06,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:05" (2/3) ... [2022-11-16 12:24:06,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dce7bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:24:06, skipping insertion in model container [2022-11-16 12:24:06,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:24:06" (3/3) ... [2022-11-16 12:24:06,342 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-min-le-max.wvr.c [2022-11-16 12:24:06,352 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 12:24:06,364 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:24:06,364 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-11-16 12:24:06,364 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 12:24:06,485 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-16 12:24:06,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 242 places, 242 transitions, 508 flow [2022-11-16 12:24:06,623 INFO L130 PetriNetUnfolder]: 10/239 cut-off events. [2022-11-16 12:24:06,624 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-16 12:24:06,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 252 conditions, 239 events. 10/239 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 206 event pairs, 0 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 185. Up to 2 conditions per place. [2022-11-16 12:24:06,630 INFO L82 GeneralOperation]: Start removeDead. Operand has 242 places, 242 transitions, 508 flow [2022-11-16 12:24:06,637 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 220 places, 219 transitions, 456 flow [2022-11-16 12:24:06,648 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:24:06,655 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;@4cd5b7bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:24:06,655 INFO L358 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2022-11-16 12:24:06,662 INFO L130 PetriNetUnfolder]: 0/24 cut-off events. [2022-11-16 12:24:06,663 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 12:24:06,663 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:24:06,664 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:24:06,664 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-16 12:24:06,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:06,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1768843687, now seen corresponding path program 1 times [2022-11-16 12:24:06,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:06,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520225128] [2022-11-16 12:24:06,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:06,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:06,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:24:06,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:24:06,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520225128] [2022-11-16 12:24:06,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520225128] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:24:06,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:24:06,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:24:06,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845286499] [2022-11-16 12:24:06,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:24:06,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:24:06,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:24:07,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:24:07,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:24:07,032 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 242 [2022-11-16 12:24:07,043 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 219 transitions, 456 flow. Second operand has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 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) [2022-11-16 12:24:07,044 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:24:07,044 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 242 [2022-11-16 12:24:07,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:24:07,425 INFO L130 PetriNetUnfolder]: 148/571 cut-off events. [2022-11-16 12:24:07,425 INFO L131 PetriNetUnfolder]: For 105/149 co-relation queries the response was YES. [2022-11-16 12:24:07,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 900 conditions, 571 events. 148/571 cut-off events. For 105/149 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2533 event pairs, 114 based on Foata normal form. 4/474 useless extension candidates. Maximal degree in co-relation 690. Up to 248 conditions per place. [2022-11-16 12:24:07,437 INFO L137 encePairwiseOnDemand]: 218/242 looper letters, 24 selfloop transitions, 2 changer transitions 3/197 dead transitions. [2022-11-16 12:24:07,437 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 197 transitions, 464 flow [2022-11-16 12:24:07,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:24:07,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:24:07,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 624 transitions. [2022-11-16 12:24:07,459 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.859504132231405 [2022-11-16 12:24:07,460 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 624 transitions. [2022-11-16 12:24:07,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 624 transitions. [2022-11-16 12:24:07,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:24:07,467 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 624 transitions. [2022-11-16 12:24:07,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 208.0) internal successors, (624), 3 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:24:07,487 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 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) [2022-11-16 12:24:07,487 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 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) [2022-11-16 12:24:07,490 INFO L175 Difference]: Start difference. First operand has 220 places, 219 transitions, 456 flow. Second operand 3 states and 624 transitions. [2022-11-16 12:24:07,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 197 transitions, 464 flow [2022-11-16 12:24:07,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 197 transitions, 452 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-16 12:24:07,502 INFO L231 Difference]: Finished difference. Result has 200 places, 194 transitions, 398 flow [2022-11-16 12:24:07,504 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=400, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=398, PETRI_PLACES=200, PETRI_TRANSITIONS=194} [2022-11-16 12:24:07,508 INFO L288 CegarLoopForPetriNet]: 220 programPoint places, -20 predicate places. [2022-11-16 12:24:07,509 INFO L495 AbstractCegarLoop]: Abstraction has has 200 places, 194 transitions, 398 flow [2022-11-16 12:24:07,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 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) [2022-11-16 12:24:07,511 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:24:07,511 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:24:07,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:24:07,512 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-16 12:24:07,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:07,515 INFO L85 PathProgramCache]: Analyzing trace with hash -733610328, now seen corresponding path program 1 times [2022-11-16 12:24:07,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:07,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630606566] [2022-11-16 12:24:07,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:07,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:07,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:24:07,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:24:07,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630606566] [2022-11-16 12:24:07,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630606566] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:24:07,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:24:07,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:24:07,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897644008] [2022-11-16 12:24:07,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:24:07,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:24:07,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:24:07,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:24:07,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:24:07,633 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 242 [2022-11-16 12:24:07,634 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 194 transitions, 398 flow. Second operand has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 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) [2022-11-16 12:24:07,634 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:24:07,634 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 242 [2022-11-16 12:24:07,635 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:24:07,769 INFO L130 PetriNetUnfolder]: 99/453 cut-off events. [2022-11-16 12:24:07,769 INFO L131 PetriNetUnfolder]: For 12/40 co-relation queries the response was YES. [2022-11-16 12:24:07,771 INFO L83 FinitePrefix]: Finished finitePrefix Result has 644 conditions, 453 events. 99/453 cut-off events. For 12/40 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1706 event pairs, 71 based on Foata normal form. 0/401 useless extension candidates. Maximal degree in co-relation 610. Up to 163 conditions per place. [2022-11-16 12:24:07,774 INFO L137 encePairwiseOnDemand]: 237/242 looper letters, 18 selfloop transitions, 1 changer transitions 0/190 dead transitions. [2022-11-16 12:24:07,775 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 190 transitions, 428 flow [2022-11-16 12:24:07,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:24:07,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:24:07,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 608 transitions. [2022-11-16 12:24:07,777 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.837465564738292 [2022-11-16 12:24:07,778 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 608 transitions. [2022-11-16 12:24:07,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 608 transitions. [2022-11-16 12:24:07,778 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:24:07,779 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 608 transitions. [2022-11-16 12:24:07,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 202.66666666666666) internal successors, (608), 3 states have internal predecessors, (608), 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) [2022-11-16 12:24:07,782 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 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) [2022-11-16 12:24:07,783 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 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) [2022-11-16 12:24:07,784 INFO L175 Difference]: Start difference. First operand has 200 places, 194 transitions, 398 flow. Second operand 3 states and 608 transitions. [2022-11-16 12:24:07,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 190 transitions, 428 flow [2022-11-16 12:24:07,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 190 transitions, 424 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:24:07,795 INFO L231 Difference]: Finished difference. Result has 193 places, 190 transitions, 388 flow [2022-11-16 12:24:07,795 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=386, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=388, PETRI_PLACES=193, PETRI_TRANSITIONS=190} [2022-11-16 12:24:07,797 INFO L288 CegarLoopForPetriNet]: 220 programPoint places, -27 predicate places. [2022-11-16 12:24:07,797 INFO L495 AbstractCegarLoop]: Abstraction has has 193 places, 190 transitions, 388 flow [2022-11-16 12:24:07,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 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) [2022-11-16 12:24:07,798 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:24:07,798 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:24:07,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:24:07,800 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-16 12:24:07,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:07,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1019145990, now seen corresponding path program 1 times [2022-11-16 12:24:07,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:07,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294893023] [2022-11-16 12:24:07,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:07,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:07,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:24:07,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:24:07,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294893023] [2022-11-16 12:24:07,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294893023] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:24:07,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:24:07,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:24:07,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680467164] [2022-11-16 12:24:07,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:24:07,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:24:07,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:24:07,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:24:07,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:24:07,914 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 242 [2022-11-16 12:24:07,916 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 190 transitions, 388 flow. Second operand has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 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) [2022-11-16 12:24:07,916 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:24:07,916 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 242 [2022-11-16 12:24:07,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:24:08,012 INFO L130 PetriNetUnfolder]: 36/300 cut-off events. [2022-11-16 12:24:08,012 INFO L131 PetriNetUnfolder]: For 13/18 co-relation queries the response was YES. [2022-11-16 12:24:08,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 376 conditions, 300 events. 36/300 cut-off events. For 13/18 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 640 event pairs, 15 based on Foata normal form. 0/265 useless extension candidates. Maximal degree in co-relation 343. Up to 64 conditions per place. [2022-11-16 12:24:08,014 INFO L137 encePairwiseOnDemand]: 239/242 looper letters, 18 selfloop transitions, 2 changer transitions 0/189 dead transitions. [2022-11-16 12:24:08,014 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 189 transitions, 426 flow [2022-11-16 12:24:08,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:24:08,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:24:08,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 615 transitions. [2022-11-16 12:24:08,017 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8471074380165289 [2022-11-16 12:24:08,017 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 615 transitions. [2022-11-16 12:24:08,017 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 615 transitions. [2022-11-16 12:24:08,018 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:24:08,018 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 615 transitions. [2022-11-16 12:24:08,019 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 205.0) internal successors, (615), 3 states have internal predecessors, (615), 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) [2022-11-16 12:24:08,021 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 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) [2022-11-16 12:24:08,022 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 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) [2022-11-16 12:24:08,022 INFO L175 Difference]: Start difference. First operand has 193 places, 190 transitions, 388 flow. Second operand 3 states and 615 transitions. [2022-11-16 12:24:08,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 189 transitions, 426 flow [2022-11-16 12:24:08,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 189 transitions, 425 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:24:08,026 INFO L231 Difference]: Finished difference. Result has 193 places, 189 transitions, 389 flow [2022-11-16 12:24:08,027 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=385, PETRI_DIFFERENCE_MINUEND_PLACES=191, 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=389, PETRI_PLACES=193, PETRI_TRANSITIONS=189} [2022-11-16 12:24:08,027 INFO L288 CegarLoopForPetriNet]: 220 programPoint places, -27 predicate places. [2022-11-16 12:24:08,028 INFO L495 AbstractCegarLoop]: Abstraction has has 193 places, 189 transitions, 389 flow [2022-11-16 12:24:08,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 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) [2022-11-16 12:24:08,028 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:24:08,029 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:24:08,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:24:08,029 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-16 12:24:08,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:08,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1816329218, now seen corresponding path program 1 times [2022-11-16 12:24:08,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:08,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757658013] [2022-11-16 12:24:08,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:08,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:08,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:24:08,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:24:08,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757658013] [2022-11-16 12:24:08,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757658013] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:24:08,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:24:08,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:24:08,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009769630] [2022-11-16 12:24:08,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:24:08,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:24:08,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:24:08,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:24:08,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:24:08,646 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 242 [2022-11-16 12:24:08,647 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 189 transitions, 389 flow. Second operand has 6 states, 6 states have (on average 164.83333333333334) internal successors, (989), 6 states have internal predecessors, (989), 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) [2022-11-16 12:24:08,647 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:24:08,648 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 242 [2022-11-16 12:24:08,648 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:24:08,975 INFO L130 PetriNetUnfolder]: 198/555 cut-off events. [2022-11-16 12:24:08,975 INFO L131 PetriNetUnfolder]: For 2/34 co-relation queries the response was YES. [2022-11-16 12:24:08,977 INFO L83 FinitePrefix]: Finished finitePrefix Result has 896 conditions, 555 events. 198/555 cut-off events. For 2/34 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1848 event pairs, 117 based on Foata normal form. 0/481 useless extension candidates. Maximal degree in co-relation 864. Up to 324 conditions per place. [2022-11-16 12:24:08,980 INFO L137 encePairwiseOnDemand]: 236/242 looper letters, 50 selfloop transitions, 5 changer transitions 0/188 dead transitions. [2022-11-16 12:24:08,980 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 188 transitions, 497 flow [2022-11-16 12:24:08,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:24:08,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:24:08,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1034 transitions. [2022-11-16 12:24:08,989 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7121212121212122 [2022-11-16 12:24:08,989 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1034 transitions. [2022-11-16 12:24:08,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1034 transitions. [2022-11-16 12:24:08,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:24:08,990 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1034 transitions. [2022-11-16 12:24:08,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 172.33333333333334) internal successors, (1034), 6 states have internal predecessors, (1034), 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) [2022-11-16 12:24:08,996 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 242.0) internal successors, (1694), 7 states have internal predecessors, (1694), 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) [2022-11-16 12:24:08,999 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 242.0) internal successors, (1694), 7 states have internal predecessors, (1694), 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) [2022-11-16 12:24:08,999 INFO L175 Difference]: Start difference. First operand has 193 places, 189 transitions, 389 flow. Second operand 6 states and 1034 transitions. [2022-11-16 12:24:08,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 188 transitions, 497 flow [2022-11-16 12:24:09,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 188 transitions, 493 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:24:09,009 INFO L231 Difference]: Finished difference. Result has 195 places, 188 transitions, 393 flow [2022-11-16 12:24:09,009 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=383, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=393, PETRI_PLACES=195, PETRI_TRANSITIONS=188} [2022-11-16 12:24:09,011 INFO L288 CegarLoopForPetriNet]: 220 programPoint places, -25 predicate places. [2022-11-16 12:24:09,011 INFO L495 AbstractCegarLoop]: Abstraction has has 195 places, 188 transitions, 393 flow [2022-11-16 12:24:09,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 164.83333333333334) internal successors, (989), 6 states have internal predecessors, (989), 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) [2022-11-16 12:24:09,012 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:24:09,013 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:24:09,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:24:09,013 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-16 12:24:09,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:09,015 INFO L85 PathProgramCache]: Analyzing trace with hash -865288878, now seen corresponding path program 1 times [2022-11-16 12:24:09,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:09,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092620330] [2022-11-16 12:24:09,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:09,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:09,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:24:09,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:24:09,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092620330] [2022-11-16 12:24:09,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092620330] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:24:09,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:24:09,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:24:09,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035012606] [2022-11-16 12:24:09,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:24:09,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:24:09,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:24:09,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:24:09,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:24:09,087 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 242 [2022-11-16 12:24:09,088 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 188 transitions, 393 flow. Second operand has 3 states, 3 states have (on average 202.33333333333334) internal successors, (607), 3 states have internal predecessors, (607), 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) [2022-11-16 12:24:09,088 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:24:09,088 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 242 [2022-11-16 12:24:09,088 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:24:09,163 INFO L130 PetriNetUnfolder]: 36/297 cut-off events. [2022-11-16 12:24:09,163 INFO L131 PetriNetUnfolder]: For 13/18 co-relation queries the response was YES. [2022-11-16 12:24:09,164 INFO L83 FinitePrefix]: Finished finitePrefix Result has 373 conditions, 297 events. 36/297 cut-off events. For 13/18 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 627 event pairs, 15 based on Foata normal form. 0/265 useless extension candidates. Maximal degree in co-relation 355. Up to 58 conditions per place. [2022-11-16 12:24:09,165 INFO L137 encePairwiseOnDemand]: 239/242 looper letters, 14 selfloop transitions, 1 changer transitions 0/186 dead transitions. [2022-11-16 12:24:09,166 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 186 transitions, 419 flow [2022-11-16 12:24:09,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:24:09,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:24:09,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 620 transitions. [2022-11-16 12:24:09,168 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8539944903581267 [2022-11-16 12:24:09,168 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 620 transitions. [2022-11-16 12:24:09,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 620 transitions. [2022-11-16 12:24:09,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:24:09,169 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 620 transitions. [2022-11-16 12:24:09,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 206.66666666666666) internal successors, (620), 3 states have internal predecessors, (620), 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) [2022-11-16 12:24:09,172 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 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) [2022-11-16 12:24:09,173 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 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) [2022-11-16 12:24:09,173 INFO L175 Difference]: Start difference. First operand has 195 places, 188 transitions, 393 flow. Second operand 3 states and 620 transitions. [2022-11-16 12:24:09,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 186 transitions, 419 flow [2022-11-16 12:24:09,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 186 transitions, 409 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-16 12:24:09,177 INFO L231 Difference]: Finished difference. Result has 190 places, 186 transitions, 381 flow [2022-11-16 12:24:09,178 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=379, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=381, PETRI_PLACES=190, PETRI_TRANSITIONS=186} [2022-11-16 12:24:09,181 INFO L288 CegarLoopForPetriNet]: 220 programPoint places, -30 predicate places. [2022-11-16 12:24:09,181 INFO L495 AbstractCegarLoop]: Abstraction has has 190 places, 186 transitions, 381 flow [2022-11-16 12:24:09,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 202.33333333333334) internal successors, (607), 3 states have internal predecessors, (607), 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) [2022-11-16 12:24:09,182 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:24:09,182 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:24:09,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:24:09,183 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-16 12:24:09,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:09,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1080697984, now seen corresponding path program 1 times [2022-11-16 12:24:09,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:09,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028143224] [2022-11-16 12:24:09,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:09,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:09,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:24:09,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:24:09,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028143224] [2022-11-16 12:24:09,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028143224] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:24:09,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:24:09,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:24:09,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530668836] [2022-11-16 12:24:09,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:24:09,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:24:09,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:24:09,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:24:09,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:24:09,569 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 242 [2022-11-16 12:24:09,570 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 186 transitions, 381 flow. Second operand has 6 states, 6 states have (on average 171.33333333333334) internal successors, (1028), 6 states have internal predecessors, (1028), 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) [2022-11-16 12:24:09,571 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:24:09,571 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 242 [2022-11-16 12:24:09,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:24:09,908 INFO L130 PetriNetUnfolder]: 198/551 cut-off events. [2022-11-16 12:24:09,908 INFO L131 PetriNetUnfolder]: For 2/34 co-relation queries the response was YES. [2022-11-16 12:24:09,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 882 conditions, 551 events. 198/551 cut-off events. For 2/34 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1840 event pairs, 117 based on Foata normal form. 0/481 useless extension candidates. Maximal degree in co-relation 849. Up to 308 conditions per place. [2022-11-16 12:24:09,913 INFO L137 encePairwiseOnDemand]: 236/242 looper letters, 42 selfloop transitions, 4 changer transitions 0/184 dead transitions. [2022-11-16 12:24:09,913 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 184 transitions, 469 flow [2022-11-16 12:24:09,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:24:09,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:24:09,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1068 transitions. [2022-11-16 12:24:09,917 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7355371900826446 [2022-11-16 12:24:09,917 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1068 transitions. [2022-11-16 12:24:09,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1068 transitions. [2022-11-16 12:24:09,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:24:09,918 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1068 transitions. [2022-11-16 12:24:09,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 178.0) internal successors, (1068), 6 states have internal predecessors, (1068), 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) [2022-11-16 12:24:09,923 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 242.0) internal successors, (1694), 7 states have internal predecessors, (1694), 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) [2022-11-16 12:24:09,924 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 242.0) internal successors, (1694), 7 states have internal predecessors, (1694), 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) [2022-11-16 12:24:09,924 INFO L175 Difference]: Start difference. First operand has 190 places, 186 transitions, 381 flow. Second operand 6 states and 1068 transitions. [2022-11-16 12:24:09,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 184 transitions, 469 flow [2022-11-16 12:24:09,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 184 transitions, 468 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:24:09,928 INFO L231 Difference]: Finished difference. Result has 192 places, 184 transitions, 384 flow [2022-11-16 12:24:09,929 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=384, PETRI_PLACES=192, PETRI_TRANSITIONS=184} [2022-11-16 12:24:09,932 INFO L288 CegarLoopForPetriNet]: 220 programPoint places, -28 predicate places. [2022-11-16 12:24:09,932 INFO L495 AbstractCegarLoop]: Abstraction has has 192 places, 184 transitions, 384 flow [2022-11-16 12:24:09,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 171.33333333333334) internal successors, (1028), 6 states have internal predecessors, (1028), 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) [2022-11-16 12:24:09,933 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:24:09,933 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:24:09,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 12:24:09,933 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-16 12:24:09,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:09,934 INFO L85 PathProgramCache]: Analyzing trace with hash 52659627, now seen corresponding path program 1 times [2022-11-16 12:24:09,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:09,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510687897] [2022-11-16 12:24:09,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:09,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:09,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:24:09,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:24:09,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510687897] [2022-11-16 12:24:09,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510687897] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:24:09,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:24:09,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:24:09,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884890264] [2022-11-16 12:24:09,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:24:09,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:24:09,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:24:09,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:24:09,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:24:09,996 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 242 [2022-11-16 12:24:09,996 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 184 transitions, 384 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 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) [2022-11-16 12:24:09,997 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:24:09,997 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 242 [2022-11-16 12:24:09,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:24:10,077 INFO L130 PetriNetUnfolder]: 36/294 cut-off events. [2022-11-16 12:24:10,077 INFO L131 PetriNetUnfolder]: For 13/18 co-relation queries the response was YES. [2022-11-16 12:24:10,078 INFO L83 FinitePrefix]: Finished finitePrefix Result has 369 conditions, 294 events. 36/294 cut-off events. For 13/18 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 623 event pairs, 15 based on Foata normal form. 0/265 useless extension candidates. Maximal degree in co-relation 336. Up to 58 conditions per place. [2022-11-16 12:24:10,079 INFO L137 encePairwiseOnDemand]: 239/242 looper letters, 12 selfloop transitions, 2 changer transitions 0/183 dead transitions. [2022-11-16 12:24:10,079 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 183 transitions, 410 flow [2022-11-16 12:24:10,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:24:10,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:24:10,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 627 transitions. [2022-11-16 12:24:10,082 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8636363636363636 [2022-11-16 12:24:10,082 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 627 transitions. [2022-11-16 12:24:10,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 627 transitions. [2022-11-16 12:24:10,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:24:10,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 627 transitions. [2022-11-16 12:24:10,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 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) [2022-11-16 12:24:10,085 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 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) [2022-11-16 12:24:10,086 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 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) [2022-11-16 12:24:10,086 INFO L175 Difference]: Start difference. First operand has 192 places, 184 transitions, 384 flow. Second operand 3 states and 627 transitions. [2022-11-16 12:24:10,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 183 transitions, 410 flow [2022-11-16 12:24:10,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 183 transitions, 403 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 12:24:10,090 INFO L231 Difference]: Finished difference. Result has 189 places, 183 transitions, 379 flow [2022-11-16 12:24:10,090 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=187, 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=379, PETRI_PLACES=189, PETRI_TRANSITIONS=183} [2022-11-16 12:24:10,091 INFO L288 CegarLoopForPetriNet]: 220 programPoint places, -31 predicate places. [2022-11-16 12:24:10,091 INFO L495 AbstractCegarLoop]: Abstraction has has 189 places, 183 transitions, 379 flow [2022-11-16 12:24:10,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 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) [2022-11-16 12:24:10,091 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:24:10,092 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:24:10,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 12:24:10,092 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-16 12:24:10,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:10,092 INFO L85 PathProgramCache]: Analyzing trace with hash 846626530, now seen corresponding path program 1 times [2022-11-16 12:24:10,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:10,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626453928] [2022-11-16 12:24:10,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:10,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:10,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:24:10,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:24:10,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626453928] [2022-11-16 12:24:10,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626453928] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:24:10,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:24:10,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:24:10,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821306306] [2022-11-16 12:24:10,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:24:10,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:24:10,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:24:10,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:24:10,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:24:10,158 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 242 [2022-11-16 12:24:10,159 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 183 transitions, 379 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 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) [2022-11-16 12:24:10,159 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:24:10,159 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 242 [2022-11-16 12:24:10,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:24:10,246 INFO L130 PetriNetUnfolder]: 36/293 cut-off events. [2022-11-16 12:24:10,246 INFO L131 PetriNetUnfolder]: For 13/18 co-relation queries the response was YES. [2022-11-16 12:24:10,247 INFO L83 FinitePrefix]: Finished finitePrefix Result has 367 conditions, 293 events. 36/293 cut-off events. For 13/18 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 623 event pairs, 15 based on Foata normal form. 0/265 useless extension candidates. Maximal degree in co-relation 334. Up to 58 conditions per place. [2022-11-16 12:24:10,248 INFO L137 encePairwiseOnDemand]: 239/242 looper letters, 12 selfloop transitions, 2 changer transitions 0/182 dead transitions. [2022-11-16 12:24:10,248 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 182 transitions, 405 flow [2022-11-16 12:24:10,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:24:10,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:24:10,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 627 transitions. [2022-11-16 12:24:10,251 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8636363636363636 [2022-11-16 12:24:10,251 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 627 transitions. [2022-11-16 12:24:10,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 627 transitions. [2022-11-16 12:24:10,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:24:10,252 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 627 transitions. [2022-11-16 12:24:10,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 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) [2022-11-16 12:24:10,255 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 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) [2022-11-16 12:24:10,256 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 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) [2022-11-16 12:24:10,256 INFO L175 Difference]: Start difference. First operand has 189 places, 183 transitions, 379 flow. Second operand 3 states and 627 transitions. [2022-11-16 12:24:10,256 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 182 transitions, 405 flow [2022-11-16 12:24:10,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 182 transitions, 401 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:24:10,260 INFO L231 Difference]: Finished difference. Result has 188 places, 182 transitions, 377 flow [2022-11-16 12:24:10,260 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=373, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=377, PETRI_PLACES=188, PETRI_TRANSITIONS=182} [2022-11-16 12:24:10,261 INFO L288 CegarLoopForPetriNet]: 220 programPoint places, -32 predicate places. [2022-11-16 12:24:10,261 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 182 transitions, 377 flow [2022-11-16 12:24:10,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 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) [2022-11-16 12:24:10,262 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:24:10,262 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:24:10,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 12:24:10,263 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-16 12:24:10,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:10,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1137112590, now seen corresponding path program 1 times [2022-11-16 12:24:10,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:10,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121234217] [2022-11-16 12:24:10,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:10,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:10,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:24:10,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:24:10,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121234217] [2022-11-16 12:24:10,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121234217] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:24:10,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:24:10,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:24:10,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647231821] [2022-11-16 12:24:10,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:24:10,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:24:10,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:24:10,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:24:10,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:24:10,725 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 242 [2022-11-16 12:24:10,727 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 182 transitions, 377 flow. Second operand has 6 states, 6 states have (on average 171.66666666666666) internal successors, (1030), 6 states have internal predecessors, (1030), 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) [2022-11-16 12:24:10,727 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:24:10,727 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 242 [2022-11-16 12:24:10,727 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:24:11,152 INFO L130 PetriNetUnfolder]: 198/548 cut-off events. [2022-11-16 12:24:11,153 INFO L131 PetriNetUnfolder]: For 2/34 co-relation queries the response was YES. [2022-11-16 12:24:11,155 INFO L83 FinitePrefix]: Finished finitePrefix Result has 881 conditions, 548 events. 198/548 cut-off events. For 2/34 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1838 event pairs, 22 based on Foata normal form. 4/507 useless extension candidates. Maximal degree in co-relation 847. Up to 154 conditions per place. [2022-11-16 12:24:11,157 INFO L137 encePairwiseOnDemand]: 237/242 looper letters, 53 selfloop transitions, 4 changer transitions 0/193 dead transitions. [2022-11-16 12:24:11,158 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 193 transitions, 513 flow [2022-11-16 12:24:11,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:24:11,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:24:11,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1066 transitions. [2022-11-16 12:24:11,161 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7341597796143251 [2022-11-16 12:24:11,161 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1066 transitions. [2022-11-16 12:24:11,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1066 transitions. [2022-11-16 12:24:11,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:24:11,162 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1066 transitions. [2022-11-16 12:24:11,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 177.66666666666666) internal successors, (1066), 6 states have internal predecessors, (1066), 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) [2022-11-16 12:24:11,167 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 242.0) internal successors, (1694), 7 states have internal predecessors, (1694), 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) [2022-11-16 12:24:11,168 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 242.0) internal successors, (1694), 7 states have internal predecessors, (1694), 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) [2022-11-16 12:24:11,169 INFO L175 Difference]: Start difference. First operand has 188 places, 182 transitions, 377 flow. Second operand 6 states and 1066 transitions. [2022-11-16 12:24:11,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 193 transitions, 513 flow [2022-11-16 12:24:11,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 193 transitions, 509 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 12:24:11,173 INFO L231 Difference]: Finished difference. Result has 190 places, 181 transitions, 379 flow [2022-11-16 12:24:11,173 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=371, PETRI_DIFFERENCE_MINUEND_PLACES=185, 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=379, PETRI_PLACES=190, PETRI_TRANSITIONS=181} [2022-11-16 12:24:11,174 INFO L288 CegarLoopForPetriNet]: 220 programPoint places, -30 predicate places. [2022-11-16 12:24:11,174 INFO L495 AbstractCegarLoop]: Abstraction has has 190 places, 181 transitions, 379 flow [2022-11-16 12:24:11,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 171.66666666666666) internal successors, (1030), 6 states have internal predecessors, (1030), 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) [2022-11-16 12:24:11,175 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:24:11,175 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:24:11,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 12:24:11,176 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-16 12:24:11,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:11,176 INFO L85 PathProgramCache]: Analyzing trace with hash 2144310353, now seen corresponding path program 1 times [2022-11-16 12:24:11,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:11,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700358968] [2022-11-16 12:24:11,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:11,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:11,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:24:11,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:24:11,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700358968] [2022-11-16 12:24:11,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700358968] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:24:11,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:24:11,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:24:11,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108874468] [2022-11-16 12:24:11,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:24:11,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:24:11,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:24:11,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:24:11,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:24:11,760 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 242 [2022-11-16 12:24:11,761 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 181 transitions, 379 flow. Second operand has 6 states, 6 states have (on average 172.66666666666666) internal successors, (1036), 6 states have internal predecessors, (1036), 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) [2022-11-16 12:24:11,762 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:24:11,762 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 242 [2022-11-16 12:24:11,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:24:12,036 INFO L130 PetriNetUnfolder]: 150/471 cut-off events. [2022-11-16 12:24:12,037 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-11-16 12:24:12,038 INFO L83 FinitePrefix]: Finished finitePrefix Result has 778 conditions, 471 events. 150/471 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1492 event pairs, 79 based on Foata normal form. 0/437 useless extension candidates. Maximal degree in co-relation 744. Up to 189 conditions per place. [2022-11-16 12:24:12,041 INFO L137 encePairwiseOnDemand]: 237/242 looper letters, 48 selfloop transitions, 4 changer transitions 0/188 dead transitions. [2022-11-16 12:24:12,041 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 188 transitions, 497 flow [2022-11-16 12:24:12,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:24:12,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:24:12,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1061 transitions. [2022-11-16 12:24:12,044 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7307162534435262 [2022-11-16 12:24:12,045 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1061 transitions. [2022-11-16 12:24:12,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1061 transitions. [2022-11-16 12:24:12,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:24:12,046 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1061 transitions. [2022-11-16 12:24:12,048 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 176.83333333333334) internal successors, (1061), 6 states have internal predecessors, (1061), 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) [2022-11-16 12:24:12,051 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 242.0) internal successors, (1694), 7 states have internal predecessors, (1694), 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) [2022-11-16 12:24:12,052 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 242.0) internal successors, (1694), 7 states have internal predecessors, (1694), 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) [2022-11-16 12:24:12,052 INFO L175 Difference]: Start difference. First operand has 190 places, 181 transitions, 379 flow. Second operand 6 states and 1061 transitions. [2022-11-16 12:24:12,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 188 transitions, 497 flow [2022-11-16 12:24:12,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 188 transitions, 490 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 12:24:12,063 INFO L231 Difference]: Finished difference. Result has 190 places, 180 transitions, 378 flow [2022-11-16 12:24:12,064 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=378, PETRI_PLACES=190, PETRI_TRANSITIONS=180} [2022-11-16 12:24:12,065 INFO L288 CegarLoopForPetriNet]: 220 programPoint places, -30 predicate places. [2022-11-16 12:24:12,065 INFO L495 AbstractCegarLoop]: Abstraction has has 190 places, 180 transitions, 378 flow [2022-11-16 12:24:12,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 172.66666666666666) internal successors, (1036), 6 states have internal predecessors, (1036), 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) [2022-11-16 12:24:12,066 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:24:12,066 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:24:12,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 12:24:12,067 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-16 12:24:12,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:12,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1966474743, now seen corresponding path program 1 times [2022-11-16 12:24:12,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:12,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011775368] [2022-11-16 12:24:12,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:12,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:12,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:24:12,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:24:12,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011775368] [2022-11-16 12:24:12,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011775368] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:24:12,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:24:12,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:24:12,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552776860] [2022-11-16 12:24:12,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:24:12,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:24:12,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:24:12,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:24:12,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:24:12,696 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 242 [2022-11-16 12:24:12,699 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 180 transitions, 378 flow. Second operand has 6 states, 6 states have (on average 173.66666666666666) internal successors, (1042), 6 states have internal predecessors, (1042), 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) [2022-11-16 12:24:12,699 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:24:12,699 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 242 [2022-11-16 12:24:12,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:24:12,872 INFO L130 PetriNetUnfolder]: 140/444 cut-off events. [2022-11-16 12:24:12,872 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-16 12:24:12,874 INFO L83 FinitePrefix]: Finished finitePrefix Result has 732 conditions, 444 events. 140/444 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1412 event pairs, 100 based on Foata normal form. 0/429 useless extension candidates. Maximal degree in co-relation 698. Up to 236 conditions per place. [2022-11-16 12:24:12,876 INFO L137 encePairwiseOnDemand]: 237/242 looper letters, 43 selfloop transitions, 4 changer transitions 0/183 dead transitions. [2022-11-16 12:24:12,876 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 183 transitions, 478 flow [2022-11-16 12:24:12,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:24:12,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:24:12,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1056 transitions. [2022-11-16 12:24:12,880 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7272727272727273 [2022-11-16 12:24:12,880 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1056 transitions. [2022-11-16 12:24:12,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1056 transitions. [2022-11-16 12:24:12,881 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:24:12,881 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1056 transitions. [2022-11-16 12:24:12,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 176.0) internal successors, (1056), 6 states have internal predecessors, (1056), 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) [2022-11-16 12:24:12,887 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 242.0) internal successors, (1694), 7 states have internal predecessors, (1694), 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) [2022-11-16 12:24:12,888 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 242.0) internal successors, (1694), 7 states have internal predecessors, (1694), 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) [2022-11-16 12:24:12,889 INFO L175 Difference]: Start difference. First operand has 190 places, 180 transitions, 378 flow. Second operand 6 states and 1056 transitions. [2022-11-16 12:24:12,889 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 183 transitions, 478 flow [2022-11-16 12:24:12,892 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 183 transitions, 471 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 12:24:12,894 INFO L231 Difference]: Finished difference. Result has 190 places, 179 transitions, 377 flow [2022-11-16 12:24:12,895 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=369, PETRI_DIFFERENCE_MINUEND_PLACES=185, 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=377, PETRI_PLACES=190, PETRI_TRANSITIONS=179} [2022-11-16 12:24:12,895 INFO L288 CegarLoopForPetriNet]: 220 programPoint places, -30 predicate places. [2022-11-16 12:24:12,896 INFO L495 AbstractCegarLoop]: Abstraction has has 190 places, 179 transitions, 377 flow [2022-11-16 12:24:12,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 173.66666666666666) internal successors, (1042), 6 states have internal predecessors, (1042), 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) [2022-11-16 12:24:12,896 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:24:12,897 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:24:12,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 12:24:12,897 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2022-11-16 12:24:12,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:24:12,898 INFO L85 PathProgramCache]: Analyzing trace with hash -913607321, now seen corresponding path program 1 times [2022-11-16 12:24:12,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:24:12,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679493930] [2022-11-16 12:24:12,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:24:12,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:24:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:24:12,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:24:12,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:24:12,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679493930] [2022-11-16 12:24:12,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679493930] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:24:12,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:24:12,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:24:12,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012026873] [2022-11-16 12:24:12,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:24:12,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:24:12,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:24:12,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:24:12,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:24:12,989 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 242 [2022-11-16 12:24:12,990 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 179 transitions, 377 flow. Second operand has 3 states, 3 states have (on average 210.0) internal successors, (630), 3 states have internal predecessors, (630), 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) [2022-11-16 12:24:12,990 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:24:12,990 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 242 [2022-11-16 12:24:12,990 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:24:13,066 INFO L130 PetriNetUnfolder]: 36/289 cut-off events. [2022-11-16 12:24:13,067 INFO L131 PetriNetUnfolder]: For 13/18 co-relation queries the response was YES. [2022-11-16 12:24:13,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 363 conditions, 289 events. 36/289 cut-off events. For 13/18 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 609 event pairs, 15 based on Foata normal form. 1/265 useless extension candidates. Maximal degree in co-relation 346. Up to 55 conditions per place. [2022-11-16 12:24:13,068 INFO L137 encePairwiseOnDemand]: 240/242 looper letters, 0 selfloop transitions, 0 changer transitions 178/178 dead transitions. [2022-11-16 12:24:13,068 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 178 transitions, 395 flow [2022-11-16 12:24:13,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:24:13,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 12:24:13,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 632 transitions. [2022-11-16 12:24:13,071 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8705234159779615 [2022-11-16 12:24:13,071 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 632 transitions. [2022-11-16 12:24:13,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 632 transitions. [2022-11-16 12:24:13,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:24:13,072 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 632 transitions. [2022-11-16 12:24:13,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 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) [2022-11-16 12:24:13,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 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) [2022-11-16 12:24:13,075 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 242.0) internal successors, (968), 4 states have internal predecessors, (968), 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) [2022-11-16 12:24:13,076 INFO L175 Difference]: Start difference. First operand has 190 places, 179 transitions, 377 flow. Second operand 3 states and 632 transitions. [2022-11-16 12:24:13,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 178 transitions, 395 flow [2022-11-16 12:24:13,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 178 transitions, 388 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 12:24:13,078 INFO L231 Difference]: Finished difference. Result has 187 places, 0 transitions, 0 flow [2022-11-16 12:24:13,079 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=187, PETRI_TRANSITIONS=0} [2022-11-16 12:24:13,079 INFO L288 CegarLoopForPetriNet]: 220 programPoint places, -33 predicate places. [2022-11-16 12:24:13,079 INFO L495 AbstractCegarLoop]: Abstraction has has 187 places, 0 transitions, 0 flow [2022-11-16 12:24:13,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.0) internal successors, (630), 3 states have internal predecessors, (630), 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) [2022-11-16 12:24:13,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (51 of 52 remaining) [2022-11-16 12:24:13,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (50 of 52 remaining) [2022-11-16 12:24:13,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (49 of 52 remaining) [2022-11-16 12:24:13,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (48 of 52 remaining) [2022-11-16 12:24:13,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (47 of 52 remaining) [2022-11-16 12:24:13,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (46 of 52 remaining) [2022-11-16 12:24:13,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (45 of 52 remaining) [2022-11-16 12:24:13,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (44 of 52 remaining) [2022-11-16 12:24:13,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (43 of 52 remaining) [2022-11-16 12:24:13,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (42 of 52 remaining) [2022-11-16 12:24:13,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (41 of 52 remaining) [2022-11-16 12:24:13,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (40 of 52 remaining) [2022-11-16 12:24:13,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (39 of 52 remaining) [2022-11-16 12:24:13,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (38 of 52 remaining) [2022-11-16 12:24:13,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (37 of 52 remaining) [2022-11-16 12:24:13,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (36 of 52 remaining) [2022-11-16 12:24:13,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (35 of 52 remaining) [2022-11-16 12:24:13,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (34 of 52 remaining) [2022-11-16 12:24:13,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (33 of 52 remaining) [2022-11-16 12:24:13,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (32 of 52 remaining) [2022-11-16 12:24:13,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (31 of 52 remaining) [2022-11-16 12:24:13,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (30 of 52 remaining) [2022-11-16 12:24:13,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (29 of 52 remaining) [2022-11-16 12:24:13,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (28 of 52 remaining) [2022-11-16 12:24:13,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (27 of 52 remaining) [2022-11-16 12:24:13,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (26 of 52 remaining) [2022-11-16 12:24:13,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (25 of 52 remaining) [2022-11-16 12:24:13,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (24 of 52 remaining) [2022-11-16 12:24:13,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (23 of 52 remaining) [2022-11-16 12:24:13,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (22 of 52 remaining) [2022-11-16 12:24:13,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (21 of 52 remaining) [2022-11-16 12:24:13,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (20 of 52 remaining) [2022-11-16 12:24:13,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 52 remaining) [2022-11-16 12:24:13,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 52 remaining) [2022-11-16 12:24:13,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 52 remaining) [2022-11-16 12:24:13,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (16 of 52 remaining) [2022-11-16 12:24:13,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (15 of 52 remaining) [2022-11-16 12:24:13,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (14 of 52 remaining) [2022-11-16 12:24:13,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (13 of 52 remaining) [2022-11-16 12:24:13,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (12 of 52 remaining) [2022-11-16 12:24:13,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (11 of 52 remaining) [2022-11-16 12:24:13,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (10 of 52 remaining) [2022-11-16 12:24:13,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (9 of 52 remaining) [2022-11-16 12:24:13,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (8 of 52 remaining) [2022-11-16 12:24:13,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (7 of 52 remaining) [2022-11-16 12:24:13,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (6 of 52 remaining) [2022-11-16 12:24:13,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (5 of 52 remaining) [2022-11-16 12:24:13,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (4 of 52 remaining) [2022-11-16 12:24:13,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (3 of 52 remaining) [2022-11-16 12:24:13,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (2 of 52 remaining) [2022-11-16 12:24:13,094 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 52 remaining) [2022-11-16 12:24:13,094 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (0 of 52 remaining) [2022-11-16 12:24:13,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 12:24:13,094 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:24:13,100 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 12:24:13,100 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:24:13,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:24:13 BasicIcfg [2022-11-16 12:24:13,106 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:24:13,107 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:24:13,107 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:24:13,107 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:24:13,108 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:24:06" (3/4) ... [2022-11-16 12:24:13,110 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 12:24:13,116 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-16 12:24:13,116 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-16 12:24:13,116 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-16 12:24:13,122 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-16 12:24:13,122 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 12:24:13,123 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 12:24:13,123 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:24:13,164 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b61b36d-d899-409c-ab49-1a489378d0e8/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:24:13,164 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:24:13,165 INFO L158 Benchmark]: Toolchain (without parser) took 8584.16ms. Allocated memory was 113.2MB in the beginning and 224.4MB in the end (delta: 111.1MB). Free memory was 68.1MB in the beginning and 179.6MB in the end (delta: -111.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:24:13,165 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:24:13,165 INFO L158 Benchmark]: CACSL2BoogieTranslator took 425.29ms. Allocated memory is still 113.2MB. Free memory was 67.9MB in the beginning and 85.4MB in the end (delta: -17.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:24:13,166 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.07ms. Allocated memory is still 113.2MB. Free memory was 85.4MB in the beginning and 83.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:24:13,166 INFO L158 Benchmark]: Boogie Preprocessor took 59.28ms. Allocated memory is still 113.2MB. Free memory was 83.0MB in the beginning and 80.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:24:13,166 INFO L158 Benchmark]: RCFGBuilder took 1182.32ms. Allocated memory is still 113.2MB. Free memory was 80.4MB in the beginning and 86.1MB in the end (delta: -5.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2022-11-16 12:24:13,167 INFO L158 Benchmark]: TraceAbstraction took 6784.94ms. Allocated memory was 113.2MB in the beginning and 224.4MB in the end (delta: 111.1MB). Free memory was 85.4MB in the beginning and 183.8MB in the end (delta: -98.4MB). Peak memory consumption was 132.9MB. Max. memory is 16.1GB. [2022-11-16 12:24:13,167 INFO L158 Benchmark]: Witness Printer took 57.48ms. Allocated memory is still 224.4MB. Free memory was 183.8MB in the beginning and 179.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 12:24:13,169 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 425.29ms. Allocated memory is still 113.2MB. Free memory was 67.9MB in the beginning and 85.4MB in the end (delta: -17.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.07ms. Allocated memory is still 113.2MB. Free memory was 85.4MB in the beginning and 83.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.28ms. Allocated memory is still 113.2MB. Free memory was 83.0MB in the beginning and 80.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1182.32ms. Allocated memory is still 113.2MB. Free memory was 80.4MB in the beginning and 86.1MB in the end (delta: -5.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 6784.94ms. Allocated memory was 113.2MB in the beginning and 224.4MB in the end (delta: 111.1MB). Free memory was 85.4MB in the beginning and 183.8MB in the end (delta: -98.4MB). Peak memory consumption was 132.9MB. Max. memory is 16.1GB. * Witness Printer took 57.48ms. Allocated memory is still 224.4MB. Free memory was 183.8MB in the beginning and 179.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: 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, 279 locations, 52 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: 6.6s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 115 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 115 mSDsluCounter, 171 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 123 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 593 IncrementalHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 123 mSolverCounterUnsat, 171 mSDtfsCounter, 593 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=456occurred in iteration=0, InterpolantAutomatonStates: 51, 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, 2.9s InterpolantComputationTime, 1048 NumberOfCodeBlocks, 1048 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1036 ConstructedInterpolants, 0 QuantifiedInterpolants, 1489 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 32 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 12:24:13,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b61b36d-d899-409c-ab49-1a489378d0e8/bin/uautomizer-tPACEb0tL8/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