./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-lamport.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d09fca-9489-4fcb-a4fb-d5d5eeacafb5/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d09fca-9489-4fcb-a4fb-d5d5eeacafb5/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d09fca-9489-4fcb-a4fb-d5d5eeacafb5/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d09fca-9489-4fcb-a4fb-d5d5eeacafb5/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-lamport.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d09fca-9489-4fcb-a4fb-d5d5eeacafb5/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d09fca-9489-4fcb-a4fb-d5d5eeacafb5/bin/uautomizer-ug76WZFUDN --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 dda4e60b50ccb96ce521fa11aa956967863397082d82b1fb589f74967fe28a7c --- 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-6b4ec56 [2022-11-20 12:00:07,214 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:00:07,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:00:07,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:00:07,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:00:07,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:00:07,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:00:07,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:00:07,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:00:07,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:00:07,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:00:07,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:00:07,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:00:07,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:00:07,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:00:07,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:00:07,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:00:07,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:00:07,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:00:07,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:00:07,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:00:07,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:00:07,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:00:07,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:00:07,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:00:07,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:00:07,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:00:07,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:00:07,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:00:07,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:00:07,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:00:07,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:00:07,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:00:07,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:00:07,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:00:07,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:00:07,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:00:07,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:00:07,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:00:07,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:00:07,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:00:07,330 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d09fca-9489-4fcb-a4fb-d5d5eeacafb5/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-20 12:00:07,363 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:00:07,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:00:07,364 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:00:07,364 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:00:07,364 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:00:07,365 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:00:07,366 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:00:07,366 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:00:07,366 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:00:07,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:00:07,367 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:00:07,367 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:00:07,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:00:07,367 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:00:07,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:00:07,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:00:07,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:00:07,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:00:07,372 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 12:00:07,372 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:00:07,372 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:00:07,372 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:00:07,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:00:07,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:00:07,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:00:07,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:00:07,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:00:07,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:00:07,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:00:07,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:00:07,374 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:00:07,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:00:07,375 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:00:07,375 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:00:07,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:00:07,376 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_c9d09fca-9489-4fcb-a4fb-d5d5eeacafb5/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d09fca-9489-4fcb-a4fb-d5d5eeacafb5/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dda4e60b50ccb96ce521fa11aa956967863397082d82b1fb589f74967fe28a7c [2022-11-20 12:00:07,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:00:07,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:00:07,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:00:07,789 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:00:07,790 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:00:07,791 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d09fca-9489-4fcb-a4fb-d5d5eeacafb5/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/weaver/parallel-lamport.wvr.c [2022-11-20 12:00:11,687 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:00:11,924 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:00:11,924 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d09fca-9489-4fcb-a4fb-d5d5eeacafb5/sv-benchmarks/c/weaver/parallel-lamport.wvr.c [2022-11-20 12:00:11,934 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d09fca-9489-4fcb-a4fb-d5d5eeacafb5/bin/uautomizer-ug76WZFUDN/data/56938442b/220ac23eb79d4513a2901b66a1bf1551/FLAG90190a1c1 [2022-11-20 12:00:11,983 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d09fca-9489-4fcb-a4fb-d5d5eeacafb5/bin/uautomizer-ug76WZFUDN/data/56938442b/220ac23eb79d4513a2901b66a1bf1551 [2022-11-20 12:00:11,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:00:11,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:00:11,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:00:11,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:00:12,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:00:12,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:00:11" (1/1) ... [2022-11-20 12:00:12,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@719ededc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:12, skipping insertion in model container [2022-11-20 12:00:12,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:00:11" (1/1) ... [2022-11-20 12:00:12,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:00:12,092 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:00:12,326 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d09fca-9489-4fcb-a4fb-d5d5eeacafb5/sv-benchmarks/c/weaver/parallel-lamport.wvr.c[4210,4223] [2022-11-20 12:00:12,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:00:12,352 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:00:12,399 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d09fca-9489-4fcb-a4fb-d5d5eeacafb5/sv-benchmarks/c/weaver/parallel-lamport.wvr.c[4210,4223] [2022-11-20 12:00:12,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:00:12,424 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:00:12,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:12 WrapperNode [2022-11-20 12:00:12,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:00:12,426 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:00:12,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:00:12,426 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:00:12,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:12" (1/1) ... [2022-11-20 12:00:12,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:12" (1/1) ... [2022-11-20 12:00:12,498 INFO L138 Inliner]: procedures = 25, calls = 89, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 491 [2022-11-20 12:00:12,499 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:00:12,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:00:12,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:00:12,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:00:12,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:12" (1/1) ... [2022-11-20 12:00:12,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:12" (1/1) ... [2022-11-20 12:00:12,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:12" (1/1) ... [2022-11-20 12:00:12,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:12" (1/1) ... [2022-11-20 12:00:12,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:12" (1/1) ... [2022-11-20 12:00:12,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:12" (1/1) ... [2022-11-20 12:00:12,587 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:12" (1/1) ... [2022-11-20 12:00:12,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:12" (1/1) ... [2022-11-20 12:00:12,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:00:12,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:00:12,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:00:12,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:00:12,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:12" (1/1) ... [2022-11-20 12:00:12,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:00:12,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d09fca-9489-4fcb-a4fb-d5d5eeacafb5/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:12,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d09fca-9489-4fcb-a4fb-d5d5eeacafb5/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:00:12,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d09fca-9489-4fcb-a4fb-d5d5eeacafb5/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:00:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:00:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:00:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 12:00:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 12:00:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 12:00:12,735 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 12:00:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 12:00:12,737 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 12:00:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 12:00:12,737 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 12:00:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:00:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 12:00:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 12:00:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 12:00:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:00:12,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:00:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:00:12,742 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 12:00:12,950 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:00:12,952 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:00:14,023 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:00:14,605 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:00:14,605 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 12:00:14,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:00:14 BoogieIcfgContainer [2022-11-20 12:00:14,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:00:14,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:00:14,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:00:14,620 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:00:14,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:00:11" (1/3) ... [2022-11-20 12:00:14,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ef68ecb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:00:14, skipping insertion in model container [2022-11-20 12:00:14,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:00:12" (2/3) ... [2022-11-20 12:00:14,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ef68ecb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:00:14, skipping insertion in model container [2022-11-20 12:00:14,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:00:14" (3/3) ... [2022-11-20 12:00:14,627 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-lamport.wvr.c [2022-11-20 12:00:14,640 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 12:00:14,654 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:00:14,655 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 75 error locations. [2022-11-20 12:00:14,655 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 12:00:14,819 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-20 12:00:14,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 353 places, 351 transitions, 726 flow [2022-11-20 12:00:15,088 INFO L130 PetriNetUnfolder]: 8/348 cut-off events. [2022-11-20 12:00:15,089 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-20 12:00:15,098 INFO L83 FinitePrefix]: Finished finitePrefix Result has 361 conditions, 348 events. 8/348 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 431 event pairs, 0 based on Foata normal form. 0/265 useless extension candidates. Maximal degree in co-relation 281. Up to 2 conditions per place. [2022-11-20 12:00:15,098 INFO L82 GeneralOperation]: Start removeDead. Operand has 353 places, 351 transitions, 726 flow [2022-11-20 12:00:15,116 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 331 places, 328 transitions, 674 flow [2022-11-20 12:00:15,157 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:00:15,167 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;@19d410f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:00:15,168 INFO L358 AbstractCegarLoop]: Starting to check reachability of 129 error locations. [2022-11-20 12:00:15,182 INFO L130 PetriNetUnfolder]: 0/31 cut-off events. [2022-11-20 12:00:15,182 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 12:00:15,183 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:00:15,184 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] [2022-11-20 12:00:15,185 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:00:15,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:15,192 INFO L85 PathProgramCache]: Analyzing trace with hash -841308087, now seen corresponding path program 1 times [2022-11-20 12:00:15,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:15,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463086021] [2022-11-20 12:00:15,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:15,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:15,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:00:15,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:15,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463086021] [2022-11-20 12:00:15,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463086021] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:00:15,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:00:15,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:00:15,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773269820] [2022-11-20 12:00:15,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:00:15,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:00:15,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:15,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:00:15,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:00:15,638 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 351 [2022-11-20 12:00:15,648 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 328 transitions, 674 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:15,648 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:00:15,648 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 351 [2022-11-20 12:00:15,650 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:00:16,929 INFO L130 PetriNetUnfolder]: 1068/2403 cut-off events. [2022-11-20 12:00:16,929 INFO L131 PetriNetUnfolder]: For 280/280 co-relation queries the response was YES. [2022-11-20 12:00:16,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4459 conditions, 2403 events. 1068/2403 cut-off events. For 280/280 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 14127 event pairs, 1066 based on Foata normal form. 5/2341 useless extension candidates. Maximal degree in co-relation 4120. Up to 1735 conditions per place. [2022-11-20 12:00:16,962 INFO L137 encePairwiseOnDemand]: 292/351 looper letters, 32 selfloop transitions, 2 changer transitions 4/271 dead transitions. [2022-11-20 12:00:16,962 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 271 transitions, 628 flow [2022-11-20 12:00:16,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:00:16,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:00:16,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 865 transitions. [2022-11-20 12:00:16,991 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8214624881291548 [2022-11-20 12:00:16,992 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 865 transitions. [2022-11-20 12:00:16,993 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 865 transitions. [2022-11-20 12:00:16,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:00:17,001 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 865 transitions. [2022-11-20 12:00:17,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 288.3333333333333) internal successors, (865), 3 states have internal predecessors, (865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:17,080 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:17,081 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:17,084 INFO L175 Difference]: Start difference. First operand has 331 places, 328 transitions, 674 flow. Second operand 3 states and 865 transitions. [2022-11-20 12:00:17,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 271 transitions, 628 flow [2022-11-20 12:00:17,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 271 transitions, 616 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-20 12:00:17,107 INFO L231 Difference]: Finished difference. Result has 275 places, 267 transitions, 544 flow [2022-11-20 12:00:17,111 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=548, PETRI_DIFFERENCE_MINUEND_PLACES=273, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=544, PETRI_PLACES=275, PETRI_TRANSITIONS=267} [2022-11-20 12:00:17,118 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -56 predicate places. [2022-11-20 12:00:17,118 INFO L495 AbstractCegarLoop]: Abstraction has has 275 places, 267 transitions, 544 flow [2022-11-20 12:00:17,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:17,119 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:00:17,119 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] [2022-11-20 12:00:17,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 12:00:17,120 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:00:17,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:17,121 INFO L85 PathProgramCache]: Analyzing trace with hash -161869856, now seen corresponding path program 1 times [2022-11-20 12:00:17,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:17,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384557308] [2022-11-20 12:00:17,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:17,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:17,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:00:17,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:17,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384557308] [2022-11-20 12:00:17,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384557308] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:00:17,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:00:17,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:00:17,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924743417] [2022-11-20 12:00:17,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:00:17,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:00:17,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:17,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:00:17,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:00:17,276 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 351 [2022-11-20 12:00:17,277 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 267 transitions, 544 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:17,278 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:00:17,278 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 351 [2022-11-20 12:00:17,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:00:18,263 INFO L130 PetriNetUnfolder]: 1068/2398 cut-off events. [2022-11-20 12:00:18,263 INFO L131 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2022-11-20 12:00:18,271 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4272 conditions, 2398 events. 1068/2398 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 14091 event pairs, 1066 based on Foata normal form. 0/2336 useless extension candidates. Maximal degree in co-relation 4232. Up to 1735 conditions per place. [2022-11-20 12:00:18,287 INFO L137 encePairwiseOnDemand]: 348/351 looper letters, 32 selfloop transitions, 2 changer transitions 0/266 dead transitions. [2022-11-20 12:00:18,288 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 266 transitions, 610 flow [2022-11-20 12:00:18,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:00:18,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:00:18,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 809 transitions. [2022-11-20 12:00:18,291 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.768281101614435 [2022-11-20 12:00:18,291 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 809 transitions. [2022-11-20 12:00:18,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 809 transitions. [2022-11-20 12:00:18,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:00:18,293 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 809 transitions. [2022-11-20 12:00:18,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.6666666666667) internal successors, (809), 3 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:18,299 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:18,300 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:18,300 INFO L175 Difference]: Start difference. First operand has 275 places, 267 transitions, 544 flow. Second operand 3 states and 809 transitions. [2022-11-20 12:00:18,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 266 transitions, 610 flow [2022-11-20 12:00:18,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 266 transitions, 606 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:00:18,311 INFO L231 Difference]: Finished difference. Result has 270 places, 266 transitions, 542 flow [2022-11-20 12:00:18,312 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=538, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=266, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=542, PETRI_PLACES=270, PETRI_TRANSITIONS=266} [2022-11-20 12:00:18,314 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -61 predicate places. [2022-11-20 12:00:18,314 INFO L495 AbstractCegarLoop]: Abstraction has has 270 places, 266 transitions, 542 flow [2022-11-20 12:00:18,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:18,315 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:00:18,315 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] [2022-11-20 12:00:18,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 12:00:18,316 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:00:18,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:18,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1836775930, now seen corresponding path program 1 times [2022-11-20 12:00:18,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:18,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70643396] [2022-11-20 12:00:18,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:18,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:18,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:00:18,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:18,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70643396] [2022-11-20 12:00:18,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70643396] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:00:18,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:00:18,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:00:18,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278807058] [2022-11-20 12:00:18,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:00:18,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:00:18,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:18,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:00:18,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:00:18,485 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 246 out of 351 [2022-11-20 12:00:18,486 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 270 places, 266 transitions, 542 flow. Second operand has 3 states, 3 states have (on average 247.33333333333334) internal successors, (742), 3 states have internal predecessors, (742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:18,486 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:00:18,487 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 246 of 351 [2022-11-20 12:00:18,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:00:19,360 INFO L130 PetriNetUnfolder]: 1068/2397 cut-off events. [2022-11-20 12:00:19,361 INFO L131 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2022-11-20 12:00:19,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4283 conditions, 2397 events. 1068/2397 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 14109 event pairs, 1066 based on Foata normal form. 0/2336 useless extension candidates. Maximal degree in co-relation 4236. Up to 1747 conditions per place. [2022-11-20 12:00:19,386 INFO L137 encePairwiseOnDemand]: 348/351 looper letters, 44 selfloop transitions, 2 changer transitions 0/265 dead transitions. [2022-11-20 12:00:19,386 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 271 places, 265 transitions, 632 flow [2022-11-20 12:00:19,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:00:19,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:00:19,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 785 transitions. [2022-11-20 12:00:19,390 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7454890788224121 [2022-11-20 12:00:19,391 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 785 transitions. [2022-11-20 12:00:19,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 785 transitions. [2022-11-20 12:00:19,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:00:19,392 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 785 transitions. [2022-11-20 12:00:19,395 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 261.6666666666667) internal successors, (785), 3 states have internal predecessors, (785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:19,399 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:19,400 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:19,400 INFO L175 Difference]: Start difference. First operand has 270 places, 266 transitions, 542 flow. Second operand 3 states and 785 transitions. [2022-11-20 12:00:19,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 271 places, 265 transitions, 632 flow [2022-11-20 12:00:19,403 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 269 places, 265 transitions, 628 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:00:19,409 INFO L231 Difference]: Finished difference. Result has 269 places, 265 transitions, 540 flow [2022-11-20 12:00:19,409 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=536, PETRI_DIFFERENCE_MINUEND_PLACES=267, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=540, PETRI_PLACES=269, PETRI_TRANSITIONS=265} [2022-11-20 12:00:19,411 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -62 predicate places. [2022-11-20 12:00:19,411 INFO L495 AbstractCegarLoop]: Abstraction has has 269 places, 265 transitions, 540 flow [2022-11-20 12:00:19,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 247.33333333333334) internal successors, (742), 3 states have internal predecessors, (742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:19,412 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:00:19,413 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] [2022-11-20 12:00:19,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 12:00:19,413 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:00:19,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:19,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1734955022, now seen corresponding path program 1 times [2022-11-20 12:00:19,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:19,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751957647] [2022-11-20 12:00:19,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:19,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:00:19,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:19,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751957647] [2022-11-20 12:00:19,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751957647] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:00:19,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:00:19,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:00:19,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701999197] [2022-11-20 12:00:19,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:00:19,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:00:19,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:19,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:00:19,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:00:19,502 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 351 [2022-11-20 12:00:19,504 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 265 transitions, 540 flow. Second operand has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:19,504 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:00:19,504 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 351 [2022-11-20 12:00:19,504 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:00:20,442 INFO L130 PetriNetUnfolder]: 1068/2396 cut-off events. [2022-11-20 12:00:20,442 INFO L131 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2022-11-20 12:00:20,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4275 conditions, 2396 events. 1068/2396 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 14109 event pairs, 1066 based on Foata normal form. 0/2336 useless extension candidates. Maximal degree in co-relation 4221. Up to 1740 conditions per place. [2022-11-20 12:00:20,467 INFO L137 encePairwiseOnDemand]: 348/351 looper letters, 37 selfloop transitions, 2 changer transitions 0/264 dead transitions. [2022-11-20 12:00:20,467 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 270 places, 264 transitions, 616 flow [2022-11-20 12:00:20,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:00:20,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:00:20,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 796 transitions. [2022-11-20 12:00:20,471 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7559354226020892 [2022-11-20 12:00:20,475 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 796 transitions. [2022-11-20 12:00:20,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 796 transitions. [2022-11-20 12:00:20,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:00:20,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 796 transitions. [2022-11-20 12:00:20,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 265.3333333333333) internal successors, (796), 3 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:20,483 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:20,485 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:20,485 INFO L175 Difference]: Start difference. First operand has 269 places, 265 transitions, 540 flow. Second operand 3 states and 796 transitions. [2022-11-20 12:00:20,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 270 places, 264 transitions, 616 flow [2022-11-20 12:00:20,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 268 places, 264 transitions, 612 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:00:20,498 INFO L231 Difference]: Finished difference. Result has 268 places, 264 transitions, 538 flow [2022-11-20 12:00:20,499 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=534, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=262, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=538, PETRI_PLACES=268, PETRI_TRANSITIONS=264} [2022-11-20 12:00:20,502 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -63 predicate places. [2022-11-20 12:00:20,502 INFO L495 AbstractCegarLoop]: Abstraction has has 268 places, 264 transitions, 538 flow [2022-11-20 12:00:20,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:20,504 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:00:20,504 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] [2022-11-20 12:00:20,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 12:00:20,504 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:00:20,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:20,505 INFO L85 PathProgramCache]: Analyzing trace with hash -400530242, now seen corresponding path program 1 times [2022-11-20 12:00:20,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:20,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030700111] [2022-11-20 12:00:20,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:20,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:20,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:00:20,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:20,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030700111] [2022-11-20 12:00:20,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030700111] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:00:20,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:00:20,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:00:20,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464641369] [2022-11-20 12:00:20,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:00:20,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:00:20,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:20,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:00:20,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:00:20,609 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 351 [2022-11-20 12:00:20,611 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 264 transitions, 538 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:20,611 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:00:20,611 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 351 [2022-11-20 12:00:20,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:00:21,316 INFO L130 PetriNetUnfolder]: 1068/2395 cut-off events. [2022-11-20 12:00:21,316 INFO L131 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2022-11-20 12:00:21,323 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4269 conditions, 2395 events. 1068/2395 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 14117 event pairs, 1066 based on Foata normal form. 0/2336 useless extension candidates. Maximal degree in co-relation 4208. Up to 1735 conditions per place. [2022-11-20 12:00:21,338 INFO L137 encePairwiseOnDemand]: 348/351 looper letters, 32 selfloop transitions, 2 changer transitions 0/263 dead transitions. [2022-11-20 12:00:21,338 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 263 transitions, 604 flow [2022-11-20 12:00:21,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:00:21,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:00:21,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 809 transitions. [2022-11-20 12:00:21,341 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.768281101614435 [2022-11-20 12:00:21,342 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 809 transitions. [2022-11-20 12:00:21,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 809 transitions. [2022-11-20 12:00:21,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:00:21,343 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 809 transitions. [2022-11-20 12:00:21,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.6666666666667) internal successors, (809), 3 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:21,348 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:21,349 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:21,350 INFO L175 Difference]: Start difference. First operand has 268 places, 264 transitions, 538 flow. Second operand 3 states and 809 transitions. [2022-11-20 12:00:21,350 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 263 transitions, 604 flow [2022-11-20 12:00:21,352 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 263 transitions, 600 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:00:21,356 INFO L231 Difference]: Finished difference. Result has 267 places, 263 transitions, 536 flow [2022-11-20 12:00:21,357 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=532, PETRI_DIFFERENCE_MINUEND_PLACES=265, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=536, PETRI_PLACES=267, PETRI_TRANSITIONS=263} [2022-11-20 12:00:21,358 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -64 predicate places. [2022-11-20 12:00:21,358 INFO L495 AbstractCegarLoop]: Abstraction has has 267 places, 263 transitions, 536 flow [2022-11-20 12:00:21,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:21,359 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:00:21,359 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:00:21,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 12:00:21,360 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:00:21,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:21,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1481568992, now seen corresponding path program 1 times [2022-11-20 12:00:21,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:21,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510563132] [2022-11-20 12:00:21,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:21,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:21,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:00:21,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:21,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510563132] [2022-11-20 12:00:21,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510563132] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:00:21,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:00:21,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:00:21,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791719033] [2022-11-20 12:00:21,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:00:21,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:00:21,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:21,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:00:21,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:00:21,433 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 351 [2022-11-20 12:00:21,434 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 263 transitions, 536 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:21,435 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:00:21,435 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 351 [2022-11-20 12:00:21,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:00:22,307 INFO L130 PetriNetUnfolder]: 1068/2394 cut-off events. [2022-11-20 12:00:22,308 INFO L131 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2022-11-20 12:00:22,318 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4268 conditions, 2394 events. 1068/2394 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 14108 event pairs, 1066 based on Foata normal form. 0/2336 useless extension candidates. Maximal degree in co-relation 4200. Up to 1735 conditions per place. [2022-11-20 12:00:22,434 INFO L137 encePairwiseOnDemand]: 348/351 looper letters, 32 selfloop transitions, 2 changer transitions 0/262 dead transitions. [2022-11-20 12:00:22,434 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 268 places, 262 transitions, 602 flow [2022-11-20 12:00:22,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:00:22,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:00:22,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 809 transitions. [2022-11-20 12:00:22,437 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.768281101614435 [2022-11-20 12:00:22,437 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 809 transitions. [2022-11-20 12:00:22,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 809 transitions. [2022-11-20 12:00:22,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:00:22,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 809 transitions. [2022-11-20 12:00:22,441 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.6666666666667) internal successors, (809), 3 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:22,444 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:22,445 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:22,445 INFO L175 Difference]: Start difference. First operand has 267 places, 263 transitions, 536 flow. Second operand 3 states and 809 transitions. [2022-11-20 12:00:22,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 268 places, 262 transitions, 602 flow [2022-11-20 12:00:22,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 266 places, 262 transitions, 598 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:00:22,452 INFO L231 Difference]: Finished difference. Result has 266 places, 262 transitions, 534 flow [2022-11-20 12:00:22,452 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=534, PETRI_PLACES=266, PETRI_TRANSITIONS=262} [2022-11-20 12:00:22,455 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -65 predicate places. [2022-11-20 12:00:22,456 INFO L495 AbstractCegarLoop]: Abstraction has has 266 places, 262 transitions, 534 flow [2022-11-20 12:00:22,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:22,458 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:00:22,458 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] [2022-11-20 12:00:22,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 12:00:22,458 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:00:22,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:22,459 INFO L85 PathProgramCache]: Analyzing trace with hash 933682583, now seen corresponding path program 1 times [2022-11-20 12:00:22,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:22,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106161601] [2022-11-20 12:00:22,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:22,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:22,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:22,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:00:22,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:22,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106161601] [2022-11-20 12:00:22,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106161601] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:00:22,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:00:22,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:00:22,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79119132] [2022-11-20 12:00:22,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:00:22,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:00:22,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:22,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:00:22,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:00:22,558 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 351 [2022-11-20 12:00:22,560 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 262 transitions, 534 flow. Second operand has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:22,560 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:00:22,560 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 351 [2022-11-20 12:00:22,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:00:23,387 INFO L130 PetriNetUnfolder]: 1068/2393 cut-off events. [2022-11-20 12:00:23,388 INFO L131 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2022-11-20 12:00:23,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4273 conditions, 2393 events. 1068/2393 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 14111 event pairs, 1066 based on Foata normal form. 0/2336 useless extension candidates. Maximal degree in co-relation 4198. Up to 1741 conditions per place. [2022-11-20 12:00:23,414 INFO L137 encePairwiseOnDemand]: 348/351 looper letters, 38 selfloop transitions, 2 changer transitions 0/261 dead transitions. [2022-11-20 12:00:23,414 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 261 transitions, 612 flow [2022-11-20 12:00:23,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:00:23,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:00:23,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 797 transitions. [2022-11-20 12:00:23,418 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7568850902184235 [2022-11-20 12:00:23,419 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 797 transitions. [2022-11-20 12:00:23,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 797 transitions. [2022-11-20 12:00:23,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:00:23,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 797 transitions. [2022-11-20 12:00:23,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 265.6666666666667) internal successors, (797), 3 states have internal predecessors, (797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:23,427 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:23,428 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:23,429 INFO L175 Difference]: Start difference. First operand has 266 places, 262 transitions, 534 flow. Second operand 3 states and 797 transitions. [2022-11-20 12:00:23,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 261 transitions, 612 flow [2022-11-20 12:00:23,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 261 transitions, 608 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:00:23,442 INFO L231 Difference]: Finished difference. Result has 265 places, 261 transitions, 532 flow [2022-11-20 12:00:23,443 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=528, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=532, PETRI_PLACES=265, PETRI_TRANSITIONS=261} [2022-11-20 12:00:23,445 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -66 predicate places. [2022-11-20 12:00:23,445 INFO L495 AbstractCegarLoop]: Abstraction has has 265 places, 261 transitions, 532 flow [2022-11-20 12:00:23,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:23,446 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:00:23,446 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:00:23,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 12:00:23,446 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:00:23,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:23,447 INFO L85 PathProgramCache]: Analyzing trace with hash 694785808, now seen corresponding path program 1 times [2022-11-20 12:00:23,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:23,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510530183] [2022-11-20 12:00:23,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:23,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:23,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:23,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:00:23,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:23,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510530183] [2022-11-20 12:00:23,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510530183] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:00:23,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:00:23,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:00:23,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584980539] [2022-11-20 12:00:23,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:00:23,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:00:23,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:23,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:00:23,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:00:23,503 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 255 out of 351 [2022-11-20 12:00:23,504 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 261 transitions, 532 flow. Second operand has 3 states, 3 states have (on average 256.3333333333333) internal successors, (769), 3 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:23,504 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:00:23,504 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 351 [2022-11-20 12:00:23,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:00:24,215 INFO L130 PetriNetUnfolder]: 1068/2391 cut-off events. [2022-11-20 12:00:24,215 INFO L131 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2022-11-20 12:00:24,221 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4266 conditions, 2391 events. 1068/2391 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 14106 event pairs, 1066 based on Foata normal form. 0/2336 useless extension candidates. Maximal degree in co-relation 4183. Up to 1735 conditions per place. [2022-11-20 12:00:24,233 INFO L137 encePairwiseOnDemand]: 348/351 looper letters, 34 selfloop transitions, 1 changer transitions 0/259 dead transitions. [2022-11-20 12:00:24,233 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 259 transitions, 598 flow [2022-11-20 12:00:24,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:00:24,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:00:24,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 802 transitions. [2022-11-20 12:00:24,236 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.761633428300095 [2022-11-20 12:00:24,236 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 802 transitions. [2022-11-20 12:00:24,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 802 transitions. [2022-11-20 12:00:24,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:00:24,237 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 802 transitions. [2022-11-20 12:00:24,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 267.3333333333333) internal successors, (802), 3 states have internal predecessors, (802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:24,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:24,243 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:24,243 INFO L175 Difference]: Start difference. First operand has 265 places, 261 transitions, 532 flow. Second operand 3 states and 802 transitions. [2022-11-20 12:00:24,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 259 transitions, 598 flow [2022-11-20 12:00:24,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 259 transitions, 594 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:00:24,249 INFO L231 Difference]: Finished difference. Result has 263 places, 259 transitions, 526 flow [2022-11-20 12:00:24,250 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=524, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=526, PETRI_PLACES=263, PETRI_TRANSITIONS=259} [2022-11-20 12:00:24,251 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -68 predicate places. [2022-11-20 12:00:24,251 INFO L495 AbstractCegarLoop]: Abstraction has has 263 places, 259 transitions, 526 flow [2022-11-20 12:00:24,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 256.3333333333333) internal successors, (769), 3 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:24,252 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:00:24,252 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] [2022-11-20 12:00:24,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 12:00:24,252 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:00:24,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:24,253 INFO L85 PathProgramCache]: Analyzing trace with hash 149414708, now seen corresponding path program 1 times [2022-11-20 12:00:24,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:24,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677233186] [2022-11-20 12:00:24,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:24,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:24,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:00:24,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:24,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677233186] [2022-11-20 12:00:24,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677233186] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:00:24,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:00:24,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:00:24,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313591367] [2022-11-20 12:00:24,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:00:24,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:00:24,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:24,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:00:24,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:00:24,350 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 351 [2022-11-20 12:00:24,351 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 259 transitions, 526 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:24,352 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:00:24,352 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 351 [2022-11-20 12:00:24,352 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:00:25,193 INFO L130 PetriNetUnfolder]: 1068/2390 cut-off events. [2022-11-20 12:00:25,193 INFO L131 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2022-11-20 12:00:25,200 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4263 conditions, 2390 events. 1068/2390 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 14092 event pairs, 1066 based on Foata normal form. 0/2336 useless extension candidates. Maximal degree in co-relation 4181. Up to 1735 conditions per place. [2022-11-20 12:00:25,214 INFO L137 encePairwiseOnDemand]: 348/351 looper letters, 32 selfloop transitions, 2 changer transitions 0/258 dead transitions. [2022-11-20 12:00:25,214 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 258 transitions, 592 flow [2022-11-20 12:00:25,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:00:25,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:00:25,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 809 transitions. [2022-11-20 12:00:25,218 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.768281101614435 [2022-11-20 12:00:25,218 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 809 transitions. [2022-11-20 12:00:25,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 809 transitions. [2022-11-20 12:00:25,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:00:25,220 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 809 transitions. [2022-11-20 12:00:25,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.6666666666667) internal successors, (809), 3 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:25,226 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:25,227 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:25,227 INFO L175 Difference]: Start difference. First operand has 263 places, 259 transitions, 526 flow. Second operand 3 states and 809 transitions. [2022-11-20 12:00:25,227 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 258 transitions, 592 flow [2022-11-20 12:00:25,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 258 transitions, 591 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 12:00:25,235 INFO L231 Difference]: Finished difference. Result has 263 places, 258 transitions, 527 flow [2022-11-20 12:00:25,236 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=523, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=256, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=527, PETRI_PLACES=263, PETRI_TRANSITIONS=258} [2022-11-20 12:00:25,236 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -68 predicate places. [2022-11-20 12:00:25,237 INFO L495 AbstractCegarLoop]: Abstraction has has 263 places, 258 transitions, 527 flow [2022-11-20 12:00:25,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:25,238 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:00:25,238 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] [2022-11-20 12:00:25,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 12:00:25,239 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:00:25,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:25,239 INFO L85 PathProgramCache]: Analyzing trace with hash -916184774, now seen corresponding path program 1 times [2022-11-20 12:00:25,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:25,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830821621] [2022-11-20 12:00:25,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:25,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:26,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:00:26,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:26,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830821621] [2022-11-20 12:00:26,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830821621] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:00:26,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:00:26,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:00:26,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342519487] [2022-11-20 12:00:26,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:00:26,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:00:26,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:26,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:00:26,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:00:26,133 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 351 [2022-11-20 12:00:26,136 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 258 transitions, 527 flow. Second operand has 6 states, 6 states have (on average 230.83333333333334) internal successors, (1385), 6 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:26,136 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:00:26,136 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 351 [2022-11-20 12:00:26,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:00:30,115 INFO L130 PetriNetUnfolder]: 8982/13803 cut-off events. [2022-11-20 12:00:30,116 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 12:00:30,145 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26795 conditions, 13803 events. 8982/13803 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 423. Compared 79195 event pairs, 8980 based on Foata normal form. 0/13218 useless extension candidates. Maximal degree in co-relation 26714. Up to 12849 conditions per place. [2022-11-20 12:00:30,212 INFO L137 encePairwiseOnDemand]: 345/351 looper letters, 58 selfloop transitions, 5 changer transitions 0/257 dead transitions. [2022-11-20 12:00:30,212 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 257 transitions, 651 flow [2022-11-20 12:00:30,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:00:30,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 12:00:30,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1438 transitions. [2022-11-20 12:00:30,217 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6828110161443495 [2022-11-20 12:00:30,218 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1438 transitions. [2022-11-20 12:00:30,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1438 transitions. [2022-11-20 12:00:30,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:00:30,219 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1438 transitions. [2022-11-20 12:00:30,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 239.66666666666666) internal successors, (1438), 6 states have internal predecessors, (1438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:30,228 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 351.0) internal successors, (2457), 7 states have internal predecessors, (2457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:30,230 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 351.0) internal successors, (2457), 7 states have internal predecessors, (2457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:30,230 INFO L175 Difference]: Start difference. First operand has 263 places, 258 transitions, 527 flow. Second operand 6 states and 1438 transitions. [2022-11-20 12:00:30,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 257 transitions, 651 flow [2022-11-20 12:00:30,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 257 transitions, 647 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:00:30,236 INFO L231 Difference]: Finished difference. Result has 265 places, 257 transitions, 531 flow [2022-11-20 12:00:30,238 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=521, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=252, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=531, PETRI_PLACES=265, PETRI_TRANSITIONS=257} [2022-11-20 12:00:30,240 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -66 predicate places. [2022-11-20 12:00:30,240 INFO L495 AbstractCegarLoop]: Abstraction has has 265 places, 257 transitions, 531 flow [2022-11-20 12:00:30,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 230.83333333333334) internal successors, (1385), 6 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:30,241 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:00:30,241 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:00:30,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 12:00:30,242 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:00:30,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:30,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1049849359, now seen corresponding path program 1 times [2022-11-20 12:00:30,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:30,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061550480] [2022-11-20 12:00:30,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:30,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:30,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:00:30,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:30,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061550480] [2022-11-20 12:00:30,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061550480] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:00:30,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:00:30,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:00:30,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451166514] [2022-11-20 12:00:30,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:00:30,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:00:30,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:30,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:00:30,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:00:30,320 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 351 [2022-11-20 12:00:30,321 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 257 transitions, 531 flow. Second operand has 3 states, 3 states have (on average 250.33333333333334) internal successors, (751), 3 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:30,321 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:00:30,321 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 351 [2022-11-20 12:00:30,322 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:00:31,132 INFO L130 PetriNetUnfolder]: 1119/2452 cut-off events. [2022-11-20 12:00:31,132 INFO L131 PetriNetUnfolder]: For 53/53 co-relation queries the response was YES. [2022-11-20 12:00:31,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4426 conditions, 2452 events. 1119/2452 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 14572 event pairs, 906 based on Foata normal form. 0/2401 useless extension candidates. Maximal degree in co-relation 4408. Up to 1537 conditions per place. [2022-11-20 12:00:31,152 INFO L137 encePairwiseOnDemand]: 340/351 looper letters, 58 selfloop transitions, 7 changer transitions 0/279 dead transitions. [2022-11-20 12:00:31,152 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 279 transitions, 708 flow [2022-11-20 12:00:31,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:00:31,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:00:31,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 816 transitions. [2022-11-20 12:00:31,156 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7749287749287749 [2022-11-20 12:00:31,156 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 816 transitions. [2022-11-20 12:00:31,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 816 transitions. [2022-11-20 12:00:31,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:00:31,157 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 816 transitions. [2022-11-20 12:00:31,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 272.0) internal successors, (816), 3 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:31,163 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:31,164 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:31,164 INFO L175 Difference]: Start difference. First operand has 265 places, 257 transitions, 531 flow. Second operand 3 states and 816 transitions. [2022-11-20 12:00:31,164 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 279 transitions, 708 flow [2022-11-20 12:00:31,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 279 transitions, 698 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-20 12:00:31,172 INFO L231 Difference]: Finished difference. Result has 260 places, 259 transitions, 565 flow [2022-11-20 12:00:31,173 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=513, PETRI_DIFFERENCE_MINUEND_PLACES=256, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=246, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=565, PETRI_PLACES=260, PETRI_TRANSITIONS=259} [2022-11-20 12:00:31,176 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -71 predicate places. [2022-11-20 12:00:31,176 INFO L495 AbstractCegarLoop]: Abstraction has has 260 places, 259 transitions, 565 flow [2022-11-20 12:00:31,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 250.33333333333334) internal successors, (751), 3 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:31,177 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:00:31,177 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] [2022-11-20 12:00:31,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 12:00:31,178 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:00:31,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:31,178 INFO L85 PathProgramCache]: Analyzing trace with hash 412114643, now seen corresponding path program 1 times [2022-11-20 12:00:31,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:31,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509361247] [2022-11-20 12:00:31,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:31,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:31,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:00:31,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:31,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509361247] [2022-11-20 12:00:31,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509361247] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:00:31,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:00:31,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:00:31,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411940663] [2022-11-20 12:00:31,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:00:31,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:00:31,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:31,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:00:31,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:00:31,241 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 255 out of 351 [2022-11-20 12:00:31,242 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 259 transitions, 565 flow. Second operand has 3 states, 3 states have (on average 256.3333333333333) internal successors, (769), 3 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:31,242 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:00:31,243 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 351 [2022-11-20 12:00:31,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:00:31,876 INFO L130 PetriNetUnfolder]: 1119/2472 cut-off events. [2022-11-20 12:00:31,877 INFO L131 PetriNetUnfolder]: For 608/609 co-relation queries the response was YES. [2022-11-20 12:00:31,888 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5068 conditions, 2472 events. 1119/2472 cut-off events. For 608/609 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 14968 event pairs, 580 based on Foata normal form. 2/2431 useless extension candidates. Maximal degree in co-relation 4984. Up to 1030 conditions per place. [2022-11-20 12:00:31,902 INFO L137 encePairwiseOnDemand]: 344/351 looper letters, 62 selfloop transitions, 4 changer transitions 5/285 dead transitions. [2022-11-20 12:00:31,902 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 285 transitions, 791 flow [2022-11-20 12:00:31,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:00:31,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:00:31,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 823 transitions. [2022-11-20 12:00:31,906 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7815764482431149 [2022-11-20 12:00:31,906 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 823 transitions. [2022-11-20 12:00:31,906 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 823 transitions. [2022-11-20 12:00:31,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:00:31,907 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 823 transitions. [2022-11-20 12:00:31,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 274.3333333333333) internal successors, (823), 3 states have internal predecessors, (823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:31,912 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:31,913 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:31,913 INFO L175 Difference]: Start difference. First operand has 260 places, 259 transitions, 565 flow. Second operand 3 states and 823 transitions. [2022-11-20 12:00:31,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 285 transitions, 791 flow [2022-11-20 12:00:31,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 285 transitions, 765 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:00:31,922 INFO L231 Difference]: Finished difference. Result has 258 places, 252 transitions, 544 flow [2022-11-20 12:00:31,923 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=547, PETRI_DIFFERENCE_MINUEND_PLACES=256, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=544, PETRI_PLACES=258, PETRI_TRANSITIONS=252} [2022-11-20 12:00:31,926 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -73 predicate places. [2022-11-20 12:00:31,927 INFO L495 AbstractCegarLoop]: Abstraction has has 258 places, 252 transitions, 544 flow [2022-11-20 12:00:31,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 256.3333333333333) internal successors, (769), 3 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:31,928 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:00:31,928 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] [2022-11-20 12:00:31,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 12:00:31,928 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:00:31,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:31,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1185973510, now seen corresponding path program 1 times [2022-11-20 12:00:31,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:31,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256717752] [2022-11-20 12:00:31,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:31,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:32,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:00:32,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:32,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256717752] [2022-11-20 12:00:32,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256717752] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:00:32,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:00:32,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:00:32,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594343820] [2022-11-20 12:00:32,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:00:32,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:00:32,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:32,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:00:32,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:00:32,144 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 351 [2022-11-20 12:00:32,145 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 252 transitions, 544 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:32,146 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:00:32,146 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 351 [2022-11-20 12:00:32,146 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:00:32,769 INFO L130 PetriNetUnfolder]: 1119/2512 cut-off events. [2022-11-20 12:00:32,769 INFO L131 PetriNetUnfolder]: For 500/500 co-relation queries the response was YES. [2022-11-20 12:00:32,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5287 conditions, 2512 events. 1119/2512 cut-off events. For 500/500 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 15140 event pairs, 1068 based on Foata normal form. 0/2461 useless extension candidates. Maximal degree in co-relation 5204. Up to 1819 conditions per place. [2022-11-20 12:00:32,795 INFO L137 encePairwiseOnDemand]: 348/351 looper letters, 37 selfloop transitions, 2 changer transitions 0/251 dead transitions. [2022-11-20 12:00:32,795 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 251 transitions, 620 flow [2022-11-20 12:00:32,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:00:32,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:00:32,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 808 transitions. [2022-11-20 12:00:32,799 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7673314339981007 [2022-11-20 12:00:32,800 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 808 transitions. [2022-11-20 12:00:32,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 808 transitions. [2022-11-20 12:00:32,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:00:32,801 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 808 transitions. [2022-11-20 12:00:32,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:32,807 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:32,808 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:32,808 INFO L175 Difference]: Start difference. First operand has 258 places, 252 transitions, 544 flow. Second operand 3 states and 808 transitions. [2022-11-20 12:00:32,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 251 transitions, 620 flow [2022-11-20 12:00:32,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 251 transitions, 612 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:00:32,818 INFO L231 Difference]: Finished difference. Result has 252 places, 251 transitions, 538 flow [2022-11-20 12:00:32,818 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=534, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=249, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=538, PETRI_PLACES=252, PETRI_TRANSITIONS=251} [2022-11-20 12:00:32,819 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -79 predicate places. [2022-11-20 12:00:32,819 INFO L495 AbstractCegarLoop]: Abstraction has has 252 places, 251 transitions, 538 flow [2022-11-20 12:00:32,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:32,820 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:00:32,820 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] [2022-11-20 12:00:32,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 12:00:32,821 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:00:32,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:32,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1310845516, now seen corresponding path program 1 times [2022-11-20 12:00:32,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:32,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009521858] [2022-11-20 12:00:32,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:32,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:32,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:00:32,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:32,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009521858] [2022-11-20 12:00:32,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009521858] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:00:32,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:00:32,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:00:32,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751586268] [2022-11-20 12:00:32,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:00:32,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:00:32,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:32,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:00:32,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:00:32,903 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 351 [2022-11-20 12:00:32,904 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 251 transitions, 538 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:32,904 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:00:32,905 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 351 [2022-11-20 12:00:32,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:00:33,797 INFO L130 PetriNetUnfolder]: 1119/2511 cut-off events. [2022-11-20 12:00:33,798 INFO L131 PetriNetUnfolder]: For 284/284 co-relation queries the response was YES. [2022-11-20 12:00:33,822 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4867 conditions, 2511 events. 1119/2511 cut-off events. For 284/284 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 15172 event pairs, 1068 based on Foata normal form. 0/2461 useless extension candidates. Maximal degree in co-relation 4784. Up to 1819 conditions per place. [2022-11-20 12:00:33,834 INFO L137 encePairwiseOnDemand]: 348/351 looper letters, 37 selfloop transitions, 2 changer transitions 0/250 dead transitions. [2022-11-20 12:00:33,834 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 250 transitions, 614 flow [2022-11-20 12:00:33,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:00:33,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:00:33,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 808 transitions. [2022-11-20 12:00:33,850 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7673314339981007 [2022-11-20 12:00:33,850 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 808 transitions. [2022-11-20 12:00:33,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 808 transitions. [2022-11-20 12:00:33,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:00:33,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 808 transitions. [2022-11-20 12:00:33,854 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:33,874 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:33,874 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:33,875 INFO L175 Difference]: Start difference. First operand has 252 places, 251 transitions, 538 flow. Second operand 3 states and 808 transitions. [2022-11-20 12:00:33,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 250 transitions, 614 flow [2022-11-20 12:00:33,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 250 transitions, 610 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:00:33,881 INFO L231 Difference]: Finished difference. Result has 251 places, 250 transitions, 536 flow [2022-11-20 12:00:33,882 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=532, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=536, PETRI_PLACES=251, PETRI_TRANSITIONS=250} [2022-11-20 12:00:33,882 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -80 predicate places. [2022-11-20 12:00:33,883 INFO L495 AbstractCegarLoop]: Abstraction has has 251 places, 250 transitions, 536 flow [2022-11-20 12:00:33,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:33,883 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:00:33,884 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:00:33,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-20 12:00:33,884 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:00:33,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:33,885 INFO L85 PathProgramCache]: Analyzing trace with hash 323104572, now seen corresponding path program 1 times [2022-11-20 12:00:33,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:33,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119165697] [2022-11-20 12:00:33,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:33,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:00:33,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:33,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119165697] [2022-11-20 12:00:33,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119165697] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:00:33,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:00:33,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:00:33,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426979620] [2022-11-20 12:00:33,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:00:33,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:00:33,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:33,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:00:33,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:00:33,985 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 351 [2022-11-20 12:00:33,987 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 250 transitions, 536 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:33,987 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:00:33,987 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 351 [2022-11-20 12:00:33,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:00:34,536 INFO L130 PetriNetUnfolder]: 1119/2510 cut-off events. [2022-11-20 12:00:34,537 INFO L131 PetriNetUnfolder]: For 284/284 co-relation queries the response was YES. [2022-11-20 12:00:34,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4866 conditions, 2510 events. 1119/2510 cut-off events. For 284/284 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 15174 event pairs, 1068 based on Foata normal form. 0/2461 useless extension candidates. Maximal degree in co-relation 4783. Up to 1819 conditions per place. [2022-11-20 12:00:34,557 INFO L137 encePairwiseOnDemand]: 348/351 looper letters, 37 selfloop transitions, 2 changer transitions 0/249 dead transitions. [2022-11-20 12:00:34,557 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 252 places, 249 transitions, 612 flow [2022-11-20 12:00:34,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:00:34,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:00:34,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 808 transitions. [2022-11-20 12:00:34,561 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7673314339981007 [2022-11-20 12:00:34,561 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 808 transitions. [2022-11-20 12:00:34,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 808 transitions. [2022-11-20 12:00:34,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:00:34,562 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 808 transitions. [2022-11-20 12:00:34,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:34,567 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:34,567 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:34,568 INFO L175 Difference]: Start difference. First operand has 251 places, 250 transitions, 536 flow. Second operand 3 states and 808 transitions. [2022-11-20 12:00:34,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 252 places, 249 transitions, 612 flow [2022-11-20 12:00:34,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 249 transitions, 608 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:00:34,574 INFO L231 Difference]: Finished difference. Result has 250 places, 249 transitions, 534 flow [2022-11-20 12:00:34,575 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=249, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=534, PETRI_PLACES=250, PETRI_TRANSITIONS=249} [2022-11-20 12:00:34,575 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -81 predicate places. [2022-11-20 12:00:34,575 INFO L495 AbstractCegarLoop]: Abstraction has has 250 places, 249 transitions, 534 flow [2022-11-20 12:00:34,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:34,576 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:00:34,576 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] [2022-11-20 12:00:34,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-20 12:00:34,576 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:00:34,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:34,577 INFO L85 PathProgramCache]: Analyzing trace with hash -2123337712, now seen corresponding path program 1 times [2022-11-20 12:00:34,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:34,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807541545] [2022-11-20 12:00:34,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:34,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:00:34,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:34,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807541545] [2022-11-20 12:00:34,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807541545] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:00:34,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:00:34,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:00:34,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074760829] [2022-11-20 12:00:34,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:00:34,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:00:34,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:34,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:00:34,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:00:34,641 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 351 [2022-11-20 12:00:34,642 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 249 transitions, 534 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:34,643 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:00:34,643 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 351 [2022-11-20 12:00:34,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:00:35,276 INFO L130 PetriNetUnfolder]: 1119/2509 cut-off events. [2022-11-20 12:00:35,276 INFO L131 PetriNetUnfolder]: For 284/284 co-relation queries the response was YES. [2022-11-20 12:00:35,285 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4865 conditions, 2509 events. 1119/2509 cut-off events. For 284/284 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 15183 event pairs, 1068 based on Foata normal form. 0/2461 useless extension candidates. Maximal degree in co-relation 4782. Up to 1819 conditions per place. [2022-11-20 12:00:35,298 INFO L137 encePairwiseOnDemand]: 348/351 looper letters, 37 selfloop transitions, 2 changer transitions 0/248 dead transitions. [2022-11-20 12:00:35,298 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 248 transitions, 610 flow [2022-11-20 12:00:35,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:00:35,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 12:00:35,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 808 transitions. [2022-11-20 12:00:35,301 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7673314339981007 [2022-11-20 12:00:35,301 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 808 transitions. [2022-11-20 12:00:35,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 808 transitions. [2022-11-20 12:00:35,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:00:35,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 808 transitions. [2022-11-20 12:00:35,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:35,307 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:35,307 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 351.0) internal successors, (1404), 4 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:35,308 INFO L175 Difference]: Start difference. First operand has 250 places, 249 transitions, 534 flow. Second operand 3 states and 808 transitions. [2022-11-20 12:00:35,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 248 transitions, 610 flow [2022-11-20 12:00:35,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 248 transitions, 606 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:00:35,313 INFO L231 Difference]: Finished difference. Result has 249 places, 248 transitions, 532 flow [2022-11-20 12:00:35,314 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=528, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=246, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=532, PETRI_PLACES=249, PETRI_TRANSITIONS=248} [2022-11-20 12:00:35,314 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -82 predicate places. [2022-11-20 12:00:35,315 INFO L495 AbstractCegarLoop]: Abstraction has has 249 places, 248 transitions, 532 flow [2022-11-20 12:00:35,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:35,315 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:00:35,315 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:00:35,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-20 12:00:35,316 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:00:35,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:35,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1267955816, now seen corresponding path program 1 times [2022-11-20 12:00:35,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:35,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738617627] [2022-11-20 12:00:35,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:35,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:35,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:00:35,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:35,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738617627] [2022-11-20 12:00:35,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738617627] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:00:35,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:00:35,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:00:35,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349147689] [2022-11-20 12:00:35,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:00:35,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:00:35,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:35,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:00:35,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:00:35,975 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 351 [2022-11-20 12:00:35,977 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 248 transitions, 532 flow. Second operand has 6 states, 6 states have (on average 236.0) internal successors, (1416), 6 states have internal predecessors, (1416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:35,977 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:00:35,978 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 351 [2022-11-20 12:00:35,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:00:39,218 INFO L130 PetriNetUnfolder]: 9423/14470 cut-off events. [2022-11-20 12:00:39,218 INFO L131 PetriNetUnfolder]: For 2012/2012 co-relation queries the response was YES. [2022-11-20 12:00:39,249 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30365 conditions, 14470 events. 9423/14470 cut-off events. For 2012/2012 co-relation queries the response was YES. Maximal size of possible extension queue 405. Compared 83169 event pairs, 2254 based on Foata normal form. 0/14384 useless extension candidates. Maximal degree in co-relation 30281. Up to 4563 conditions per place. [2022-11-20 12:00:39,317 INFO L137 encePairwiseOnDemand]: 346/351 looper letters, 171 selfloop transitions, 4 changer transitions 1/363 dead transitions. [2022-11-20 12:00:39,317 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 363 transitions, 1210 flow [2022-11-20 12:00:39,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:00:39,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 12:00:39,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1551 transitions. [2022-11-20 12:00:39,323 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7364672364672364 [2022-11-20 12:00:39,323 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1551 transitions. [2022-11-20 12:00:39,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1551 transitions. [2022-11-20 12:00:39,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:00:39,324 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1551 transitions. [2022-11-20 12:00:39,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 258.5) internal successors, (1551), 6 states have internal predecessors, (1551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:39,334 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 351.0) internal successors, (2457), 7 states have internal predecessors, (2457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:39,335 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 351.0) internal successors, (2457), 7 states have internal predecessors, (2457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:39,335 INFO L175 Difference]: Start difference. First operand has 249 places, 248 transitions, 532 flow. Second operand 6 states and 1551 transitions. [2022-11-20 12:00:39,335 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 363 transitions, 1210 flow [2022-11-20 12:00:39,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 251 places, 363 transitions, 1206 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 12:00:39,343 INFO L231 Difference]: Finished difference. Result has 251 places, 246 transitions, 532 flow [2022-11-20 12:00:39,343 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=526, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=243, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=532, PETRI_PLACES=251, PETRI_TRANSITIONS=246} [2022-11-20 12:00:39,344 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -80 predicate places. [2022-11-20 12:00:39,344 INFO L495 AbstractCegarLoop]: Abstraction has has 251 places, 246 transitions, 532 flow [2022-11-20 12:00:39,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 236.0) internal successors, (1416), 6 states have internal predecessors, (1416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:39,345 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:00:39,345 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:00:39,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-20 12:00:39,345 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:00:39,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:39,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1058166245, now seen corresponding path program 1 times [2022-11-20 12:00:39,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:39,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447707871] [2022-11-20 12:00:39,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:39,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:40,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:00:40,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:40,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447707871] [2022-11-20 12:00:40,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447707871] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:00:40,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:00:40,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:00:40,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501137954] [2022-11-20 12:00:40,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:00:40,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:00:40,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:40,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:00:40,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:00:40,203 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 351 [2022-11-20 12:00:40,206 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 246 transitions, 532 flow. Second operand has 6 states, 6 states have (on average 238.66666666666666) internal successors, (1432), 6 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:40,206 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:00:40,207 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 351 [2022-11-20 12:00:40,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:00:43,746 INFO L130 PetriNetUnfolder]: 8129/12733 cut-off events. [2022-11-20 12:00:43,746 INFO L131 PetriNetUnfolder]: For 2658/2658 co-relation queries the response was YES. [2022-11-20 12:00:43,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28569 conditions, 12733 events. 8129/12733 cut-off events. For 2658/2658 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 74508 event pairs, 7476 based on Foata normal form. 0/12625 useless extension candidates. Maximal degree in co-relation 28485. Up to 11010 conditions per place. [2022-11-20 12:00:43,825 INFO L137 encePairwiseOnDemand]: 346/351 looper letters, 110 selfloop transitions, 4 changer transitions 0/301 dead transitions. [2022-11-20 12:00:43,825 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 301 transitions, 902 flow [2022-11-20 12:00:43,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:00:43,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 12:00:43,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1509 transitions. [2022-11-20 12:00:43,830 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7165242165242165 [2022-11-20 12:00:43,830 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1509 transitions. [2022-11-20 12:00:43,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1509 transitions. [2022-11-20 12:00:43,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:00:43,832 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1509 transitions. [2022-11-20 12:00:43,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 251.5) internal successors, (1509), 6 states have internal predecessors, (1509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:43,840 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 351.0) internal successors, (2457), 7 states have internal predecessors, (2457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:43,841 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 351.0) internal successors, (2457), 7 states have internal predecessors, (2457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:43,841 INFO L175 Difference]: Start difference. First operand has 251 places, 246 transitions, 532 flow. Second operand 6 states and 1509 transitions. [2022-11-20 12:00:43,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 301 transitions, 902 flow [2022-11-20 12:00:43,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 301 transitions, 895 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 12:00:43,855 INFO L231 Difference]: Finished difference. Result has 250 places, 245 transitions, 531 flow [2022-11-20 12:00:43,855 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=523, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=531, PETRI_PLACES=250, PETRI_TRANSITIONS=245} [2022-11-20 12:00:43,856 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -81 predicate places. [2022-11-20 12:00:43,856 INFO L495 AbstractCegarLoop]: Abstraction has has 250 places, 245 transitions, 531 flow [2022-11-20 12:00:43,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 238.66666666666666) internal successors, (1432), 6 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:43,857 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 12:00:43,857 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:00:43,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-20 12:00:43,858 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-20 12:00:43,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:43,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1310049587, now seen corresponding path program 1 times [2022-11-20 12:00:43,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:43,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713699018] [2022-11-20 12:00:43,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:43,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:44,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:00:44,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:44,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713699018] [2022-11-20 12:00:44,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713699018] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:00:44,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:00:44,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:00:44,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587539574] [2022-11-20 12:00:44,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:00:44,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:00:44,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:44,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:00:44,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:00:44,871 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 351 [2022-11-20 12:00:44,873 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 245 transitions, 531 flow. Second operand has 6 states, 6 states have (on average 241.33333333333334) internal successors, (1448), 6 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:44,873 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 12:00:44,873 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 351 [2022-11-20 12:00:44,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 12:00:47,785 INFO L130 PetriNetUnfolder]: 8269/13187 cut-off events. [2022-11-20 12:00:47,785 INFO L131 PetriNetUnfolder]: For 1678/1678 co-relation queries the response was YES. [2022-11-20 12:00:47,816 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27954 conditions, 13187 events. 8269/13187 cut-off events. For 1678/1678 co-relation queries the response was YES. Maximal size of possible extension queue 386. Compared 79009 event pairs, 7997 based on Foata normal form. 4/12951 useless extension candidates. Maximal degree in co-relation 27870. Up to 11872 conditions per place. [2022-11-20 12:00:47,825 INFO L137 encePairwiseOnDemand]: 346/351 looper letters, 0 selfloop transitions, 0 changer transitions 256/256 dead transitions. [2022-11-20 12:00:47,826 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 254 places, 256 transitions, 691 flow [2022-11-20 12:00:47,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:00:47,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 12:00:47,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1468 transitions. [2022-11-20 12:00:47,831 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6970560303893637 [2022-11-20 12:00:47,831 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1468 transitions. [2022-11-20 12:00:47,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1468 transitions. [2022-11-20 12:00:47,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:00:47,833 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1468 transitions. [2022-11-20 12:00:47,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 244.66666666666666) internal successors, (1468), 6 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:47,842 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 351.0) internal successors, (2457), 7 states have internal predecessors, (2457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:47,843 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 351.0) internal successors, (2457), 7 states have internal predecessors, (2457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:47,843 INFO L175 Difference]: Start difference. First operand has 250 places, 245 transitions, 531 flow. Second operand 6 states and 1468 transitions. [2022-11-20 12:00:47,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 254 places, 256 transitions, 691 flow [2022-11-20 12:00:47,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 256 transitions, 684 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 12:00:47,855 INFO L231 Difference]: Finished difference. Result has 250 places, 0 transitions, 0 flow [2022-11-20 12:00:47,856 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=351, PETRI_DIFFERENCE_MINUEND_FLOW=522, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=250, PETRI_TRANSITIONS=0} [2022-11-20 12:00:47,857 INFO L288 CegarLoopForPetriNet]: 331 programPoint places, -81 predicate places. [2022-11-20 12:00:47,857 INFO L495 AbstractCegarLoop]: Abstraction has has 250 places, 0 transitions, 0 flow [2022-11-20 12:00:47,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 241.33333333333334) internal successors, (1448), 6 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:00:47,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (128 of 129 remaining) [2022-11-20 12:00:47,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (127 of 129 remaining) [2022-11-20 12:00:47,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (126 of 129 remaining) [2022-11-20 12:00:47,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (125 of 129 remaining) [2022-11-20 12:00:47,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (124 of 129 remaining) [2022-11-20 12:00:47,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (123 of 129 remaining) [2022-11-20 12:00:47,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (122 of 129 remaining) [2022-11-20 12:00:47,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (121 of 129 remaining) [2022-11-20 12:00:47,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (120 of 129 remaining) [2022-11-20 12:00:47,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (119 of 129 remaining) [2022-11-20 12:00:47,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (118 of 129 remaining) [2022-11-20 12:00:47,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (117 of 129 remaining) [2022-11-20 12:00:47,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (116 of 129 remaining) [2022-11-20 12:00:47,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (115 of 129 remaining) [2022-11-20 12:00:47,864 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (114 of 129 remaining) [2022-11-20 12:00:47,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (113 of 129 remaining) [2022-11-20 12:00:47,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (112 of 129 remaining) [2022-11-20 12:00:47,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (111 of 129 remaining) [2022-11-20 12:00:47,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (110 of 129 remaining) [2022-11-20 12:00:47,865 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (109 of 129 remaining) [2022-11-20 12:00:47,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (108 of 129 remaining) [2022-11-20 12:00:47,866 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (107 of 129 remaining) [2022-11-20 12:00:47,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (106 of 129 remaining) [2022-11-20 12:00:47,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (105 of 129 remaining) [2022-11-20 12:00:47,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (104 of 129 remaining) [2022-11-20 12:00:47,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (103 of 129 remaining) [2022-11-20 12:00:47,867 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (102 of 129 remaining) [2022-11-20 12:00:47,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (101 of 129 remaining) [2022-11-20 12:00:47,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (100 of 129 remaining) [2022-11-20 12:00:47,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (99 of 129 remaining) [2022-11-20 12:00:47,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (98 of 129 remaining) [2022-11-20 12:00:47,868 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (97 of 129 remaining) [2022-11-20 12:00:47,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (96 of 129 remaining) [2022-11-20 12:00:47,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (95 of 129 remaining) [2022-11-20 12:00:47,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (94 of 129 remaining) [2022-11-20 12:00:47,869 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (93 of 129 remaining) [2022-11-20 12:00:47,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (92 of 129 remaining) [2022-11-20 12:00:47,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (91 of 129 remaining) [2022-11-20 12:00:47,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (90 of 129 remaining) [2022-11-20 12:00:47,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (89 of 129 remaining) [2022-11-20 12:00:47,870 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (88 of 129 remaining) [2022-11-20 12:00:47,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (87 of 129 remaining) [2022-11-20 12:00:47,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (86 of 129 remaining) [2022-11-20 12:00:47,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (85 of 129 remaining) [2022-11-20 12:00:47,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (84 of 129 remaining) [2022-11-20 12:00:47,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (83 of 129 remaining) [2022-11-20 12:00:47,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (82 of 129 remaining) [2022-11-20 12:00:47,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (81 of 129 remaining) [2022-11-20 12:00:47,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (80 of 129 remaining) [2022-11-20 12:00:47,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (79 of 129 remaining) [2022-11-20 12:00:47,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (78 of 129 remaining) [2022-11-20 12:00:47,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (77 of 129 remaining) [2022-11-20 12:00:47,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (76 of 129 remaining) [2022-11-20 12:00:47,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (75 of 129 remaining) [2022-11-20 12:00:47,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (74 of 129 remaining) [2022-11-20 12:00:47,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (73 of 129 remaining) [2022-11-20 12:00:47,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (72 of 129 remaining) [2022-11-20 12:00:47,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (71 of 129 remaining) [2022-11-20 12:00:47,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (70 of 129 remaining) [2022-11-20 12:00:47,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (69 of 129 remaining) [2022-11-20 12:00:47,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (68 of 129 remaining) [2022-11-20 12:00:47,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (67 of 129 remaining) [2022-11-20 12:00:47,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (66 of 129 remaining) [2022-11-20 12:00:47,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (65 of 129 remaining) [2022-11-20 12:00:47,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (64 of 129 remaining) [2022-11-20 12:00:47,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (63 of 129 remaining) [2022-11-20 12:00:47,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (62 of 129 remaining) [2022-11-20 12:00:47,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (61 of 129 remaining) [2022-11-20 12:00:47,876 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (60 of 129 remaining) [2022-11-20 12:00:47,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (59 of 129 remaining) [2022-11-20 12:00:47,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (58 of 129 remaining) [2022-11-20 12:00:47,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (57 of 129 remaining) [2022-11-20 12:00:47,877 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (56 of 129 remaining) [2022-11-20 12:00:47,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (55 of 129 remaining) [2022-11-20 12:00:47,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (54 of 129 remaining) [2022-11-20 12:00:47,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 129 remaining) [2022-11-20 12:00:47,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 129 remaining) [2022-11-20 12:00:47,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (51 of 129 remaining) [2022-11-20 12:00:47,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (50 of 129 remaining) [2022-11-20 12:00:47,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (49 of 129 remaining) [2022-11-20 12:00:47,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (48 of 129 remaining) [2022-11-20 12:00:47,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (47 of 129 remaining) [2022-11-20 12:00:47,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (46 of 129 remaining) [2022-11-20 12:00:47,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (45 of 129 remaining) [2022-11-20 12:00:47,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (44 of 129 remaining) [2022-11-20 12:00:47,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (43 of 129 remaining) [2022-11-20 12:00:47,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (42 of 129 remaining) [2022-11-20 12:00:47,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (41 of 129 remaining) [2022-11-20 12:00:47,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (40 of 129 remaining) [2022-11-20 12:00:47,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (39 of 129 remaining) [2022-11-20 12:00:47,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (38 of 129 remaining) [2022-11-20 12:00:47,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (37 of 129 remaining) [2022-11-20 12:00:47,882 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (36 of 129 remaining) [2022-11-20 12:00:47,882 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (35 of 129 remaining) [2022-11-20 12:00:47,882 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (34 of 129 remaining) [2022-11-20 12:00:47,882 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (33 of 129 remaining) [2022-11-20 12:00:47,883 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (32 of 129 remaining) [2022-11-20 12:00:47,883 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (31 of 129 remaining) [2022-11-20 12:00:47,883 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (30 of 129 remaining) [2022-11-20 12:00:47,883 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (29 of 129 remaining) [2022-11-20 12:00:47,885 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (28 of 129 remaining) [2022-11-20 12:00:47,885 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (27 of 129 remaining) [2022-11-20 12:00:47,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (26 of 129 remaining) [2022-11-20 12:00:47,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (25 of 129 remaining) [2022-11-20 12:00:47,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (24 of 129 remaining) [2022-11-20 12:00:47,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (23 of 129 remaining) [2022-11-20 12:00:47,886 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (22 of 129 remaining) [2022-11-20 12:00:47,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (21 of 129 remaining) [2022-11-20 12:00:47,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (20 of 129 remaining) [2022-11-20 12:00:47,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (19 of 129 remaining) [2022-11-20 12:00:47,887 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (18 of 129 remaining) [2022-11-20 12:00:47,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (17 of 129 remaining) [2022-11-20 12:00:47,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (16 of 129 remaining) [2022-11-20 12:00:47,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (15 of 129 remaining) [2022-11-20 12:00:47,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (14 of 129 remaining) [2022-11-20 12:00:47,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (13 of 129 remaining) [2022-11-20 12:00:47,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (12 of 129 remaining) [2022-11-20 12:00:47,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (11 of 129 remaining) [2022-11-20 12:00:47,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 129 remaining) [2022-11-20 12:00:47,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 129 remaining) [2022-11-20 12:00:47,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 129 remaining) [2022-11-20 12:00:47,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (7 of 129 remaining) [2022-11-20 12:00:47,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (6 of 129 remaining) [2022-11-20 12:00:47,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (5 of 129 remaining) [2022-11-20 12:00:47,890 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (4 of 129 remaining) [2022-11-20 12:00:47,891 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (3 of 129 remaining) [2022-11-20 12:00:47,891 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (2 of 129 remaining) [2022-11-20 12:00:47,891 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (1 of 129 remaining) [2022-11-20 12:00:47,891 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (0 of 129 remaining) [2022-11-20 12:00:47,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-20 12:00:47,892 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:00:47,900 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 12:00:47,900 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:00:47,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:00:47 BasicIcfg [2022-11-20 12:00:47,907 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:00:47,908 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:00:47,908 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:00:47,908 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:00:47,909 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:00:14" (3/4) ... [2022-11-20 12:00:47,912 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 12:00:47,919 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-20 12:00:47,920 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-20 12:00:47,920 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-20 12:00:47,928 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-20 12:00:47,929 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 12:00:47,929 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 12:00:47,930 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:00:47,991 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d09fca-9489-4fcb-a4fb-d5d5eeacafb5/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:00:47,991 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:00:47,992 INFO L158 Benchmark]: Toolchain (without parser) took 36003.75ms. Allocated memory was 136.3MB in the beginning and 10.2GB in the end (delta: 10.1GB). Free memory was 109.7MB in the beginning and 8.8GB in the end (delta: -8.6GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2022-11-20 12:00:47,992 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:00:47,993 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.49ms. Allocated memory is still 136.3MB. Free memory was 109.7MB in the beginning and 96.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 12:00:47,993 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.98ms. Allocated memory is still 136.3MB. Free memory was 96.1MB in the beginning and 92.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 12:00:47,993 INFO L158 Benchmark]: Boogie Preprocessor took 95.12ms. Allocated memory is still 136.3MB. Free memory was 92.8MB in the beginning and 89.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:00:47,994 INFO L158 Benchmark]: RCFGBuilder took 2015.02ms. Allocated memory is still 136.3MB. Free memory was 89.8MB in the beginning and 83.6MB in the end (delta: 6.1MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. [2022-11-20 12:00:47,995 INFO L158 Benchmark]: TraceAbstraction took 33291.98ms. Allocated memory was 136.3MB in the beginning and 10.2GB in the end (delta: 10.1GB). Free memory was 82.8MB in the beginning and 8.8GB in the end (delta: -8.7GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2022-11-20 12:00:47,995 INFO L158 Benchmark]: Witness Printer took 83.30ms. Allocated memory is still 10.2GB. Free memory was 8.8GB in the beginning and 8.8GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 12:00:47,997 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.49ms. Allocated memory is still 136.3MB. Free memory was 109.7MB in the beginning and 96.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.98ms. Allocated memory is still 136.3MB. Free memory was 96.1MB in the beginning and 92.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.12ms. Allocated memory is still 136.3MB. Free memory was 92.8MB in the beginning and 89.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2015.02ms. Allocated memory is still 136.3MB. Free memory was 89.8MB in the beginning and 83.6MB in the end (delta: 6.1MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. * TraceAbstraction took 33291.98ms. Allocated memory was 136.3MB in the beginning and 10.2GB in the end (delta: 10.1GB). Free memory was 82.8MB in the beginning and 8.8GB in the end (delta: -8.7GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * Witness Printer took 83.30ms. Allocated memory is still 10.2GB. Free memory was 8.8GB in the beginning and 8.8GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: 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: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 136]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 138]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 139]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 140]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 142]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 142]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 172]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 145]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 145]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 146]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 148]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 149]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 150]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 151]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 156]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 157]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 158]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 160]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 160]: 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, 430 locations, 129 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: 33.0s, OverallIterations: 19, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 27.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 243 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 243 mSDsluCounter, 160 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 110 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1707 IncrementalHoareTripleChecker+Invalid, 1817 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 110 mSolverCounterUnsat, 160 mSDtfsCounter, 1707 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=674occurred in iteration=0, InterpolantAutomatonStates: 69, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 2036 NumberOfCodeBlocks, 2036 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2017 ConstructedInterpolants, 0 QuantifiedInterpolants, 2405 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 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 75 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-20 12:00:48,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9d09fca-9489-4fcb-a4fb-d5d5eeacafb5/bin/uautomizer-ug76WZFUDN/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