./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-prod-cons.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fea962c-a135-43fd-b3e4-17816221014a/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fea962c-a135-43fd-b3e4-17816221014a/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fea962c-a135-43fd-b3e4-17816221014a/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fea962c-a135-43fd-b3e4-17816221014a/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-prod-cons.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fea962c-a135-43fd-b3e4-17816221014a/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fea962c-a135-43fd-b3e4-17816221014a/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f9b434f3343269d91303305376bff127738dc22172486554888e346753333fd7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 16:34:10,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:34:10,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:34:10,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:34:10,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:34:10,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:34:10,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:34:10,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:34:10,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:34:10,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:34:10,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:34:10,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:34:10,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:34:10,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:34:10,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:34:10,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:34:10,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:34:10,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:34:10,408 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:34:10,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:34:10,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:34:10,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:34:10,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:34:10,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:34:10,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:34:10,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:34:10,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:34:10,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:34:10,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:34:10,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:34:10,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:34:10,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:34:10,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:34:10,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:34:10,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:34:10,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:34:10,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:34:10,439 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:34:10,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:34:10,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:34:10,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:34:10,442 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fea962c-a135-43fd-b3e4-17816221014a/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-21 16:34:10,481 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:34:10,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:34:10,482 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:34:10,483 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:34:10,483 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:34:10,484 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:34:10,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:34:10,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:34:10,485 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:34:10,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:34:10,486 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:34:10,487 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:34:10,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:34:10,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:34:10,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:34:10,487 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:34:10,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:34:10,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:34:10,488 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-21 16:34:10,488 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:34:10,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:34:10,489 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:34:10,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:34:10,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:34:10,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:34:10,490 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:34:10,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:34:10,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:34:10,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:34:10,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:34:10,491 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:34:10,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:34:10,492 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:34:10,492 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:34:10,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:34:10,493 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_3fea962c-a135-43fd-b3e4-17816221014a/bin/uautomizer-vX5HgA9Q3a/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fea962c-a135-43fd-b3e4-17816221014a/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9b434f3343269d91303305376bff127738dc22172486554888e346753333fd7 [2022-11-21 16:34:10,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:34:10,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:34:10,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:34:10,890 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:34:10,890 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:34:10,891 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fea962c-a135-43fd-b3e4-17816221014a/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/weaver/popl20-prod-cons.wvr.c [2022-11-21 16:34:13,938 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:34:14,156 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:34:14,157 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fea962c-a135-43fd-b3e4-17816221014a/sv-benchmarks/c/weaver/popl20-prod-cons.wvr.c [2022-11-21 16:34:14,163 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fea962c-a135-43fd-b3e4-17816221014a/bin/uautomizer-vX5HgA9Q3a/data/7387f68c6/e75d44b55c1b46f9a71b1ad0c0ce54f8/FLAG64b3644b7 [2022-11-21 16:34:14,178 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fea962c-a135-43fd-b3e4-17816221014a/bin/uautomizer-vX5HgA9Q3a/data/7387f68c6/e75d44b55c1b46f9a71b1ad0c0ce54f8 [2022-11-21 16:34:14,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:34:14,182 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:34:14,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:34:14,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:34:14,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:34:14,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:34:14" (1/1) ... [2022-11-21 16:34:14,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d9702bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:34:14, skipping insertion in model container [2022-11-21 16:34:14,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:34:14" (1/1) ... [2022-11-21 16:34:14,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:34:14,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:34:14,556 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_3fea962c-a135-43fd-b3e4-17816221014a/sv-benchmarks/c/weaver/popl20-prod-cons.wvr.c[3056,3069] [2022-11-21 16:34:14,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:34:14,571 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:34:14,621 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_3fea962c-a135-43fd-b3e4-17816221014a/sv-benchmarks/c/weaver/popl20-prod-cons.wvr.c[3056,3069] [2022-11-21 16:34:14,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:34:14,639 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:34:14,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:34:14 WrapperNode [2022-11-21 16:34:14,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:34:14,641 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:34:14,641 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:34:14,641 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:34:14,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:34:14" (1/1) ... [2022-11-21 16:34:14,672 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:34:14" (1/1) ... [2022-11-21 16:34:14,718 INFO L138 Inliner]: procedures = 25, calls = 50, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 292 [2022-11-21 16:34:14,719 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:34:14,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:34:14,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:34:14,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:34:14,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:34:14" (1/1) ... [2022-11-21 16:34:14,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:34:14" (1/1) ... [2022-11-21 16:34:14,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:34:14" (1/1) ... [2022-11-21 16:34:14,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:34:14" (1/1) ... [2022-11-21 16:34:14,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:34:14" (1/1) ... [2022-11-21 16:34:14,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:34:14" (1/1) ... [2022-11-21 16:34:14,786 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:34:14" (1/1) ... [2022-11-21 16:34:14,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:34:14" (1/1) ... [2022-11-21 16:34:14,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:34:14,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:34:14,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:34:14,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:34:14,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:34:14" (1/1) ... [2022-11-21 16:34:14,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:34:14,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fea962c-a135-43fd-b3e4-17816221014a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:34:14,838 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fea962c-a135-43fd-b3e4-17816221014a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:34:14,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fea962c-a135-43fd-b3e4-17816221014a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:34:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:34:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:34:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:34:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:34:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 16:34:14,890 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 16:34:14,890 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 16:34:14,890 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 16:34:14,891 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-21 16:34:14,891 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-21 16:34:14,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:34:14,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 16:34:14,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 16:34:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 16:34:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:34:14,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:34:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:34:14,895 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 16:34:15,078 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:34:15,080 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:34:15,631 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:34:15,919 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:34:15,920 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-21 16:34:15,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:34:15 BoogieIcfgContainer [2022-11-21 16:34:15,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:34:15,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:34:15,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:34:15,930 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:34:15,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:34:14" (1/3) ... [2022-11-21 16:34:15,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e35e087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:34:15, skipping insertion in model container [2022-11-21 16:34:15,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:34:14" (2/3) ... [2022-11-21 16:34:15,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e35e087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:34:15, skipping insertion in model container [2022-11-21 16:34:15,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:34:15" (3/3) ... [2022-11-21 16:34:15,936 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons.wvr.c [2022-11-21 16:34:15,945 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 16:34:15,953 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:34:15,953 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2022-11-21 16:34:15,953 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 16:34:16,106 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-21 16:34:16,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 251 places, 252 transitions, 528 flow [2022-11-21 16:34:16,255 INFO L130 PetriNetUnfolder]: 11/249 cut-off events. [2022-11-21 16:34:16,256 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-21 16:34:16,269 INFO L83 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 249 events. 11/249 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 260 event pairs, 0 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 195. Up to 3 conditions per place. [2022-11-21 16:34:16,269 INFO L82 GeneralOperation]: Start removeDead. Operand has 251 places, 252 transitions, 528 flow [2022-11-21 16:34:16,283 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 229 places, 229 transitions, 476 flow [2022-11-21 16:34:16,293 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:34:16,300 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;@6b37ce51, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:34:16,301 INFO L358 AbstractCegarLoop]: Starting to check reachability of 71 error locations. [2022-11-21 16:34:16,315 INFO L130 PetriNetUnfolder]: 0/26 cut-off events. [2022-11-21 16:34:16,315 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 16:34:16,315 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:34:16,316 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:34:16,316 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-21 16:34:16,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:34:16,322 INFO L85 PathProgramCache]: Analyzing trace with hash -570171162, now seen corresponding path program 1 times [2022-11-21 16:34:16,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:34:16,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649484529] [2022-11-21 16:34:16,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:34:16,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:34:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:16,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:34:16,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:34:16,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649484529] [2022-11-21 16:34:16,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649484529] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:34:16,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:34:16,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:34:16,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686094544] [2022-11-21 16:34:16,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:34:16,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:34:16,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:34:16,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:34:16,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:34:16,664 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 252 [2022-11-21 16:34:16,671 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 229 transitions, 476 flow. Second operand has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 3 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:16,671 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:34:16,671 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 252 [2022-11-21 16:34:16,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:34:16,950 INFO L130 PetriNetUnfolder]: 138/520 cut-off events. [2022-11-21 16:34:16,950 INFO L131 PetriNetUnfolder]: For 65/102 co-relation queries the response was YES. [2022-11-21 16:34:16,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 822 conditions, 520 events. 138/520 cut-off events. For 65/102 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2141 event pairs, 107 based on Foata normal form. 37/484 useless extension candidates. Maximal degree in co-relation 607. Up to 223 conditions per place. [2022-11-21 16:34:16,959 INFO L137 encePairwiseOnDemand]: 217/252 looper letters, 22 selfloop transitions, 2 changer transitions 3/196 dead transitions. [2022-11-21 16:34:16,959 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 196 transitions, 458 flow [2022-11-21 16:34:16,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:34:16,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:34:16,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 636 transitions. [2022-11-21 16:34:16,981 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8412698412698413 [2022-11-21 16:34:16,982 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 636 transitions. [2022-11-21 16:34:16,983 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 636 transitions. [2022-11-21 16:34:16,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:34:16,989 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 636 transitions. [2022-11-21 16:34:16,995 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:17,004 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:17,005 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:17,007 INFO L175 Difference]: Start difference. First operand has 229 places, 229 transitions, 476 flow. Second operand 3 states and 636 transitions. [2022-11-21 16:34:17,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 196 transitions, 458 flow [2022-11-21 16:34:17,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 196 transitions, 446 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-21 16:34:17,046 INFO L231 Difference]: Finished difference. Result has 198 places, 193 transitions, 396 flow [2022-11-21 16:34:17,048 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=396, PETRI_PLACES=198, PETRI_TRANSITIONS=193} [2022-11-21 16:34:17,053 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -31 predicate places. [2022-11-21 16:34:17,053 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 193 transitions, 396 flow [2022-11-21 16:34:17,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 3 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:17,054 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:34:17,055 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] [2022-11-21 16:34:17,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:34:17,056 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-21 16:34:17,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:34:17,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1079955918, now seen corresponding path program 1 times [2022-11-21 16:34:17,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:34:17,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204067888] [2022-11-21 16:34:17,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:34:17,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:34:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:17,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:34:17,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:34:17,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204067888] [2022-11-21 16:34:17,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204067888] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:34:17,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:34:17,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:34:17,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631354536] [2022-11-21 16:34:17,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:34:17,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:34:17,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:34:17,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:34:17,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:34:17,178 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 252 [2022-11-21 16:34:17,179 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 193 transitions, 396 flow. Second operand has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:17,179 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:34:17,179 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 252 [2022-11-21 16:34:17,179 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:34:17,306 INFO L130 PetriNetUnfolder]: 91/397 cut-off events. [2022-11-21 16:34:17,306 INFO L131 PetriNetUnfolder]: For 19/42 co-relation queries the response was YES. [2022-11-21 16:34:17,309 INFO L83 FinitePrefix]: Finished finitePrefix Result has 560 conditions, 397 events. 91/397 cut-off events. For 19/42 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1282 event pairs, 53 based on Foata normal form. 0/349 useless extension candidates. Maximal degree in co-relation 525. Up to 141 conditions per place. [2022-11-21 16:34:17,311 INFO L137 encePairwiseOnDemand]: 249/252 looper letters, 19 selfloop transitions, 2 changer transitions 0/192 dead transitions. [2022-11-21 16:34:17,312 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 192 transitions, 436 flow [2022-11-21 16:34:17,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:34:17,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:34:17,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 610 transitions. [2022-11-21 16:34:17,315 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8068783068783069 [2022-11-21 16:34:17,315 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 610 transitions. [2022-11-21 16:34:17,315 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 610 transitions. [2022-11-21 16:34:17,315 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:34:17,316 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 610 transitions. [2022-11-21 16:34:17,318 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:17,319 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:17,320 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:17,320 INFO L175 Difference]: Start difference. First operand has 198 places, 193 transitions, 396 flow. Second operand 3 states and 610 transitions. [2022-11-21 16:34:17,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 192 transitions, 436 flow [2022-11-21 16:34:17,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 192 transitions, 432 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:34:17,332 INFO L231 Difference]: Finished difference. Result has 194 places, 192 transitions, 394 flow [2022-11-21 16:34:17,332 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=394, PETRI_PLACES=194, PETRI_TRANSITIONS=192} [2022-11-21 16:34:17,333 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -35 predicate places. [2022-11-21 16:34:17,334 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 192 transitions, 394 flow [2022-11-21 16:34:17,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:17,334 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:34:17,335 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] [2022-11-21 16:34:17,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:34:17,335 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-21 16:34:17,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:34:17,336 INFO L85 PathProgramCache]: Analyzing trace with hash 116854116, now seen corresponding path program 1 times [2022-11-21 16:34:17,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:34:17,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034445927] [2022-11-21 16:34:17,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:34:17,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:34:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:17,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:34:17,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:34:17,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034445927] [2022-11-21 16:34:17,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034445927] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:34:17,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:34:17,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:34:17,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684830602] [2022-11-21 16:34:17,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:34:17,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:34:17,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:34:17,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:34:17,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:34:17,447 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 252 [2022-11-21 16:34:17,448 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 192 transitions, 394 flow. Second operand has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:17,448 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:34:17,448 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 252 [2022-11-21 16:34:17,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:34:17,566 INFO L130 PetriNetUnfolder]: 91/396 cut-off events. [2022-11-21 16:34:17,566 INFO L131 PetriNetUnfolder]: For 19/42 co-relation queries the response was YES. [2022-11-21 16:34:17,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 559 conditions, 396 events. 91/396 cut-off events. For 19/42 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1281 event pairs, 53 based on Foata normal form. 0/349 useless extension candidates. Maximal degree in co-relation 517. Up to 141 conditions per place. [2022-11-21 16:34:17,571 INFO L137 encePairwiseOnDemand]: 249/252 looper letters, 19 selfloop transitions, 2 changer transitions 0/191 dead transitions. [2022-11-21 16:34:17,571 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 191 transitions, 434 flow [2022-11-21 16:34:17,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:34:17,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:34:17,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 610 transitions. [2022-11-21 16:34:17,575 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8068783068783069 [2022-11-21 16:34:17,575 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 610 transitions. [2022-11-21 16:34:17,575 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 610 transitions. [2022-11-21 16:34:17,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:34:17,576 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 610 transitions. [2022-11-21 16:34:17,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 203.33333333333334) internal successors, (610), 3 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:17,579 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:17,580 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:17,580 INFO L175 Difference]: Start difference. First operand has 194 places, 192 transitions, 394 flow. Second operand 3 states and 610 transitions. [2022-11-21 16:34:17,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 191 transitions, 434 flow [2022-11-21 16:34:17,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 191 transitions, 430 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:34:17,584 INFO L231 Difference]: Finished difference. Result has 193 places, 191 transitions, 392 flow [2022-11-21 16:34:17,585 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=392, PETRI_PLACES=193, PETRI_TRANSITIONS=191} [2022-11-21 16:34:17,587 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -36 predicate places. [2022-11-21 16:34:17,587 INFO L495 AbstractCegarLoop]: Abstraction has has 193 places, 191 transitions, 392 flow [2022-11-21 16:34:17,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:17,588 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:34:17,588 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] [2022-11-21 16:34:17,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:34:17,588 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-21 16:34:17,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:34:17,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1908537597, now seen corresponding path program 1 times [2022-11-21 16:34:17,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:34:17,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483646817] [2022-11-21 16:34:17,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:34:17,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:34:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:17,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:34:17,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:34:17,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483646817] [2022-11-21 16:34:17,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483646817] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:34:17,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:34:17,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:34:17,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290456273] [2022-11-21 16:34:17,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:34:17,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:34:17,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:34:17,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:34:17,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:34:17,666 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 252 [2022-11-21 16:34:17,667 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 191 transitions, 392 flow. Second operand has 3 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:17,667 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:34:17,667 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 252 [2022-11-21 16:34:17,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:34:17,846 INFO L130 PetriNetUnfolder]: 111/468 cut-off events. [2022-11-21 16:34:17,846 INFO L131 PetriNetUnfolder]: For 27/54 co-relation queries the response was YES. [2022-11-21 16:34:17,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 665 conditions, 468 events. 111/468 cut-off events. For 27/54 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1686 event pairs, 23 based on Foata normal form. 1/412 useless extension candidates. Maximal degree in co-relation 615. Up to 111 conditions per place. [2022-11-21 16:34:17,850 INFO L137 encePairwiseOnDemand]: 249/252 looper letters, 23 selfloop transitions, 2 changer transitions 0/198 dead transitions. [2022-11-21 16:34:17,850 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 198 transitions, 460 flow [2022-11-21 16:34:17,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:34:17,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:34:17,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 623 transitions. [2022-11-21 16:34:17,854 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8240740740740741 [2022-11-21 16:34:17,857 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 623 transitions. [2022-11-21 16:34:17,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 623 transitions. [2022-11-21 16:34:17,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:34:17,859 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 623 transitions. [2022-11-21 16:34:17,860 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 207.66666666666666) internal successors, (623), 3 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:17,861 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:17,862 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:17,862 INFO L175 Difference]: Start difference. First operand has 193 places, 191 transitions, 392 flow. Second operand 3 states and 623 transitions. [2022-11-21 16:34:17,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 198 transitions, 460 flow [2022-11-21 16:34:17,864 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 198 transitions, 456 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:34:17,867 INFO L231 Difference]: Finished difference. Result has 193 places, 191 transitions, 396 flow [2022-11-21 16:34:17,867 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=386, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=396, PETRI_PLACES=193, PETRI_TRANSITIONS=191} [2022-11-21 16:34:17,868 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -36 predicate places. [2022-11-21 16:34:17,868 INFO L495 AbstractCegarLoop]: Abstraction has has 193 places, 191 transitions, 396 flow [2022-11-21 16:34:17,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:17,869 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:34:17,869 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] [2022-11-21 16:34:17,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:34:17,869 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-21 16:34:17,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:34:17,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1598375624, now seen corresponding path program 1 times [2022-11-21 16:34:17,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:34:17,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208181290] [2022-11-21 16:34:17,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:34:17,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:34:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:17,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:34:17,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:34:17,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208181290] [2022-11-21 16:34:17,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208181290] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:34:17,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:34:17,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:34:17,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142391620] [2022-11-21 16:34:17,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:34:17,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:34:17,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:34:17,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:34:17,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:34:17,959 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 252 [2022-11-21 16:34:17,960 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 191 transitions, 396 flow. Second operand has 3 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:17,960 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:34:17,960 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 252 [2022-11-21 16:34:17,960 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:34:18,112 INFO L130 PetriNetUnfolder]: 112/478 cut-off events. [2022-11-21 16:34:18,112 INFO L131 PetriNetUnfolder]: For 49/77 co-relation queries the response was YES. [2022-11-21 16:34:18,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 709 conditions, 478 events. 112/478 cut-off events. For 49/77 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1816 event pairs, 69 based on Foata normal form. 0/421 useless extension candidates. Maximal degree in co-relation 327. Up to 173 conditions per place. [2022-11-21 16:34:18,116 INFO L137 encePairwiseOnDemand]: 249/252 looper letters, 17 selfloop transitions, 2 changer transitions 0/190 dead transitions. [2022-11-21 16:34:18,116 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 190 transitions, 432 flow [2022-11-21 16:34:18,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:34:18,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:34:18,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 616 transitions. [2022-11-21 16:34:18,118 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8148148148148148 [2022-11-21 16:34:18,119 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 616 transitions. [2022-11-21 16:34:18,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 616 transitions. [2022-11-21 16:34:18,119 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:34:18,119 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 616 transitions. [2022-11-21 16:34:18,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:18,122 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:18,123 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:18,123 INFO L175 Difference]: Start difference. First operand has 193 places, 191 transitions, 396 flow. Second operand 3 states and 616 transitions. [2022-11-21 16:34:18,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 190 transitions, 432 flow [2022-11-21 16:34:18,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 190 transitions, 430 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:34:18,128 INFO L231 Difference]: Finished difference. Result has 193 places, 190 transitions, 396 flow [2022-11-21 16:34:18,129 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=396, PETRI_PLACES=193, PETRI_TRANSITIONS=190} [2022-11-21 16:34:18,132 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -36 predicate places. [2022-11-21 16:34:18,132 INFO L495 AbstractCegarLoop]: Abstraction has has 193 places, 190 transitions, 396 flow [2022-11-21 16:34:18,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:18,133 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:34:18,133 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] [2022-11-21 16:34:18,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 16:34:18,135 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-21 16:34:18,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:34:18,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1590207467, now seen corresponding path program 1 times [2022-11-21 16:34:18,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:34:18,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073814552] [2022-11-21 16:34:18,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:34:18,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:34:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:18,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:34:18,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:34:18,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073814552] [2022-11-21 16:34:18,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073814552] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:34:18,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:34:18,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:34:18,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315171926] [2022-11-21 16:34:18,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:34:18,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:34:18,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:34:18,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:34:18,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:34:18,213 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 252 [2022-11-21 16:34:18,214 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 190 transitions, 396 flow. Second operand has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:18,214 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:34:18,214 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 252 [2022-11-21 16:34:18,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:34:18,379 INFO L130 PetriNetUnfolder]: 112/477 cut-off events. [2022-11-21 16:34:18,380 INFO L131 PetriNetUnfolder]: For 48/76 co-relation queries the response was YES. [2022-11-21 16:34:18,381 INFO L83 FinitePrefix]: Finished finitePrefix Result has 703 conditions, 477 events. 112/477 cut-off events. For 48/76 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1831 event pairs, 69 based on Foata normal form. 0/421 useless extension candidates. Maximal degree in co-relation 645. Up to 177 conditions per place. [2022-11-21 16:34:18,383 INFO L137 encePairwiseOnDemand]: 249/252 looper letters, 19 selfloop transitions, 2 changer transitions 0/189 dead transitions. [2022-11-21 16:34:18,384 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 189 transitions, 436 flow [2022-11-21 16:34:18,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:34:18,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:34:18,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 609 transitions. [2022-11-21 16:34:18,386 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8055555555555556 [2022-11-21 16:34:18,386 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 609 transitions. [2022-11-21 16:34:18,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 609 transitions. [2022-11-21 16:34:18,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:34:18,387 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 609 transitions. [2022-11-21 16:34:18,389 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:18,390 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:18,391 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:18,391 INFO L175 Difference]: Start difference. First operand has 193 places, 190 transitions, 396 flow. Second operand 3 states and 609 transitions. [2022-11-21 16:34:18,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 189 transitions, 436 flow [2022-11-21 16:34:18,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 189 transitions, 432 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:34:18,396 INFO L231 Difference]: Finished difference. Result has 192 places, 189 transitions, 394 flow [2022-11-21 16:34:18,396 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=394, PETRI_PLACES=192, PETRI_TRANSITIONS=189} [2022-11-21 16:34:18,399 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -37 predicate places. [2022-11-21 16:34:18,399 INFO L495 AbstractCegarLoop]: Abstraction has has 192 places, 189 transitions, 394 flow [2022-11-21 16:34:18,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:18,401 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:34:18,401 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:34:18,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 16:34:18,402 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-21 16:34:18,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:34:18,403 INFO L85 PathProgramCache]: Analyzing trace with hash 382050159, now seen corresponding path program 1 times [2022-11-21 16:34:18,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:34:18,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142980040] [2022-11-21 16:34:18,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:34:18,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:34:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:18,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:34:18,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:34:18,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142980040] [2022-11-21 16:34:18,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142980040] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:34:18,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:34:18,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:34:18,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275190816] [2022-11-21 16:34:18,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:34:18,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:34:18,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:34:18,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:34:18,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:34:18,492 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 252 [2022-11-21 16:34:18,492 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 189 transitions, 394 flow. Second operand has 3 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:18,493 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:34:18,493 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 252 [2022-11-21 16:34:18,493 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:34:18,627 INFO L130 PetriNetUnfolder]: 112/476 cut-off events. [2022-11-21 16:34:18,627 INFO L131 PetriNetUnfolder]: For 48/76 co-relation queries the response was YES. [2022-11-21 16:34:18,628 INFO L83 FinitePrefix]: Finished finitePrefix Result has 697 conditions, 476 events. 112/476 cut-off events. For 48/76 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1829 event pairs, 69 based on Foata normal form. 0/421 useless extension candidates. Maximal degree in co-relation 633. Up to 171 conditions per place. [2022-11-21 16:34:18,631 INFO L137 encePairwiseOnDemand]: 250/252 looper letters, 17 selfloop transitions, 1 changer transitions 0/188 dead transitions. [2022-11-21 16:34:18,631 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 188 transitions, 428 flow [2022-11-21 16:34:18,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:34:18,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:34:18,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 615 transitions. [2022-11-21 16:34:18,634 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8134920634920635 [2022-11-21 16:34:18,634 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 615 transitions. [2022-11-21 16:34:18,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 615 transitions. [2022-11-21 16:34:18,635 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:34:18,635 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 615 transitions. [2022-11-21 16:34:18,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 205.0) internal successors, (615), 3 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:18,638 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:18,639 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:18,639 INFO L175 Difference]: Start difference. First operand has 192 places, 189 transitions, 394 flow. Second operand 3 states and 615 transitions. [2022-11-21 16:34:18,639 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 188 transitions, 428 flow [2022-11-21 16:34:18,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 188 transitions, 424 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:34:18,644 INFO L231 Difference]: Finished difference. Result has 191 places, 188 transitions, 390 flow [2022-11-21 16:34:18,644 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=390, PETRI_PLACES=191, PETRI_TRANSITIONS=188} [2022-11-21 16:34:18,646 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -38 predicate places. [2022-11-21 16:34:18,646 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 188 transitions, 390 flow [2022-11-21 16:34:18,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:18,647 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:34:18,647 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:34:18,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 16:34:18,648 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-21 16:34:18,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:34:18,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1185192579, now seen corresponding path program 1 times [2022-11-21 16:34:18,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:34:18,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125995929] [2022-11-21 16:34:18,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:34:18,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:34:18,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:18,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:34:18,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:34:18,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125995929] [2022-11-21 16:34:18,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125995929] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:34:18,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:34:18,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:34:18,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067989078] [2022-11-21 16:34:18,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:34:18,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:34:18,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:34:18,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:34:18,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:34:18,748 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 252 [2022-11-21 16:34:18,749 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 188 transitions, 390 flow. Second operand has 3 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:18,749 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:34:18,749 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 252 [2022-11-21 16:34:18,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:34:18,876 INFO L130 PetriNetUnfolder]: 112/475 cut-off events. [2022-11-21 16:34:18,876 INFO L131 PetriNetUnfolder]: For 48/76 co-relation queries the response was YES. [2022-11-21 16:34:18,877 INFO L83 FinitePrefix]: Finished finitePrefix Result has 696 conditions, 475 events. 112/475 cut-off events. For 48/76 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1823 event pairs, 69 based on Foata normal form. 0/421 useless extension candidates. Maximal degree in co-relation 633. Up to 173 conditions per place. [2022-11-21 16:34:18,879 INFO L137 encePairwiseOnDemand]: 249/252 looper letters, 17 selfloop transitions, 2 changer transitions 0/187 dead transitions. [2022-11-21 16:34:18,880 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 187 transitions, 426 flow [2022-11-21 16:34:18,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:34:18,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:34:18,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 616 transitions. [2022-11-21 16:34:18,882 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8148148148148148 [2022-11-21 16:34:18,886 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 616 transitions. [2022-11-21 16:34:18,886 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 616 transitions. [2022-11-21 16:34:18,887 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:34:18,887 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 616 transitions. [2022-11-21 16:34:18,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:18,890 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:18,890 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:18,891 INFO L175 Difference]: Start difference. First operand has 191 places, 188 transitions, 390 flow. Second operand 3 states and 616 transitions. [2022-11-21 16:34:18,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 187 transitions, 426 flow [2022-11-21 16:34:18,892 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 187 transitions, 425 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:34:18,895 INFO L231 Difference]: Finished difference. Result has 191 places, 187 transitions, 391 flow [2022-11-21 16:34:18,895 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=387, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=391, PETRI_PLACES=191, PETRI_TRANSITIONS=187} [2022-11-21 16:34:18,897 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -38 predicate places. [2022-11-21 16:34:18,897 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 187 transitions, 391 flow [2022-11-21 16:34:18,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:18,898 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:34:18,898 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] [2022-11-21 16:34:18,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 16:34:18,899 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-21 16:34:18,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:34:18,899 INFO L85 PathProgramCache]: Analyzing trace with hash 799950541, now seen corresponding path program 1 times [2022-11-21 16:34:18,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:34:18,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291301272] [2022-11-21 16:34:18,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:34:18,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:34:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:19,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:34:19,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:34:19,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291301272] [2022-11-21 16:34:19,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291301272] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:34:19,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:34:19,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:34:19,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709178909] [2022-11-21 16:34:19,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:34:19,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:34:19,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:34:19,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:34:19,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:34:19,418 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 252 [2022-11-21 16:34:19,419 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 187 transitions, 391 flow. Second operand has 6 states, 6 states have (on average 171.83333333333334) internal successors, (1031), 6 states have internal predecessors, (1031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:19,420 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:34:19,420 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 252 [2022-11-21 16:34:19,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:34:19,839 INFO L130 PetriNetUnfolder]: 665/1329 cut-off events. [2022-11-21 16:34:19,839 INFO L131 PetriNetUnfolder]: For 118/118 co-relation queries the response was YES. [2022-11-21 16:34:19,842 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2475 conditions, 1329 events. 665/1329 cut-off events. For 118/118 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 6212 event pairs, 513 based on Foata normal form. 0/1233 useless extension candidates. Maximal degree in co-relation 2413. Up to 997 conditions per place. [2022-11-21 16:34:19,849 INFO L137 encePairwiseOnDemand]: 246/252 looper letters, 43 selfloop transitions, 5 changer transitions 0/186 dead transitions. [2022-11-21 16:34:19,849 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 186 transitions, 485 flow [2022-11-21 16:34:19,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:34:19,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:34:19,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1068 transitions. [2022-11-21 16:34:19,853 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7063492063492064 [2022-11-21 16:34:19,853 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1068 transitions. [2022-11-21 16:34:19,853 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1068 transitions. [2022-11-21 16:34:19,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:34:19,854 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1068 transitions. [2022-11-21 16:34:19,856 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 178.0) internal successors, (1068), 6 states have internal predecessors, (1068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:19,861 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:19,862 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:19,862 INFO L175 Difference]: Start difference. First operand has 191 places, 187 transitions, 391 flow. Second operand 6 states and 1068 transitions. [2022-11-21 16:34:19,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 186 transitions, 485 flow [2022-11-21 16:34:19,864 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 186 transitions, 481 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:34:19,867 INFO L231 Difference]: Finished difference. Result has 193 places, 186 transitions, 395 flow [2022-11-21 16:34:19,867 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=385, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=395, PETRI_PLACES=193, PETRI_TRANSITIONS=186} [2022-11-21 16:34:19,868 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -36 predicate places. [2022-11-21 16:34:19,869 INFO L495 AbstractCegarLoop]: Abstraction has has 193 places, 186 transitions, 395 flow [2022-11-21 16:34:19,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 171.83333333333334) internal successors, (1031), 6 states have internal predecessors, (1031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:19,870 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:34:19,870 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] [2022-11-21 16:34:19,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 16:34:19,870 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-21 16:34:19,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:34:19,871 INFO L85 PathProgramCache]: Analyzing trace with hash -678802683, now seen corresponding path program 1 times [2022-11-21 16:34:19,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:34:19,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414100221] [2022-11-21 16:34:19,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:34:19,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:34:19,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:19,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:34:19,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:34:19,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414100221] [2022-11-21 16:34:19,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414100221] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:34:19,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:34:19,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:34:19,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363829360] [2022-11-21 16:34:19,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:34:19,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:34:19,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:34:19,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:34:19,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:34:19,928 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 252 [2022-11-21 16:34:19,929 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 186 transitions, 395 flow. Second operand has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:19,929 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:34:19,929 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 252 [2022-11-21 16:34:19,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:34:20,064 INFO L130 PetriNetUnfolder]: 143/577 cut-off events. [2022-11-21 16:34:20,064 INFO L131 PetriNetUnfolder]: For 50/86 co-relation queries the response was YES. [2022-11-21 16:34:20,066 INFO L83 FinitePrefix]: Finished finitePrefix Result has 885 conditions, 577 events. 143/577 cut-off events. For 50/86 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2658 event pairs, 115 based on Foata normal form. 0/519 useless extension candidates. Maximal degree in co-relation 866. Up to 230 conditions per place. [2022-11-21 16:34:20,069 INFO L137 encePairwiseOnDemand]: 249/252 looper letters, 19 selfloop transitions, 1 changer transitions 0/184 dead transitions. [2022-11-21 16:34:20,069 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 184 transitions, 431 flow [2022-11-21 16:34:20,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:34:20,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:34:20,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 609 transitions. [2022-11-21 16:34:20,072 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8055555555555556 [2022-11-21 16:34:20,072 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 609 transitions. [2022-11-21 16:34:20,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 609 transitions. [2022-11-21 16:34:20,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:34:20,073 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 609 transitions. [2022-11-21 16:34:20,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:20,076 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:20,076 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:20,077 INFO L175 Difference]: Start difference. First operand has 193 places, 186 transitions, 395 flow. Second operand 3 states and 609 transitions. [2022-11-21 16:34:20,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 184 transitions, 431 flow [2022-11-21 16:34:20,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 184 transitions, 421 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-21 16:34:20,086 INFO L231 Difference]: Finished difference. Result has 188 places, 184 transitions, 383 flow [2022-11-21 16:34:20,088 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=381, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=383, PETRI_PLACES=188, PETRI_TRANSITIONS=184} [2022-11-21 16:34:20,088 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -41 predicate places. [2022-11-21 16:34:20,089 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 184 transitions, 383 flow [2022-11-21 16:34:20,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 197.33333333333334) internal successors, (592), 3 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:20,090 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:34:20,090 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:34:20,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 16:34:20,090 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-21 16:34:20,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:34:20,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1526211071, now seen corresponding path program 1 times [2022-11-21 16:34:20,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:34:20,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898633324] [2022-11-21 16:34:20,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:34:20,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:34:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:20,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:34:20,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:34:20,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898633324] [2022-11-21 16:34:20,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898633324] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:34:20,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:34:20,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:34:20,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334815586] [2022-11-21 16:34:20,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:34:20,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:34:20,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:34:20,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:34:20,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:34:20,608 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 252 [2022-11-21 16:34:20,609 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 184 transitions, 383 flow. Second operand has 6 states, 6 states have (on average 177.0) internal successors, (1062), 6 states have internal predecessors, (1062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:20,609 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:34:20,609 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 252 [2022-11-21 16:34:20,609 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:34:21,163 INFO L130 PetriNetUnfolder]: 665/1326 cut-off events. [2022-11-21 16:34:21,163 INFO L131 PetriNetUnfolder]: For 118/118 co-relation queries the response was YES. [2022-11-21 16:34:21,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2463 conditions, 1326 events. 665/1326 cut-off events. For 118/118 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 6191 event pairs, 113 based on Foata normal form. 0/1266 useless extension candidates. Maximal degree in co-relation 2399. Up to 439 conditions per place. [2022-11-21 16:34:21,173 INFO L137 encePairwiseOnDemand]: 247/252 looper letters, 68 selfloop transitions, 4 changer transitions 0/215 dead transitions. [2022-11-21 16:34:21,174 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 215 transitions, 605 flow [2022-11-21 16:34:21,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:34:21,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:34:21,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1118 transitions. [2022-11-21 16:34:21,177 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7394179894179894 [2022-11-21 16:34:21,177 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1118 transitions. [2022-11-21 16:34:21,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1118 transitions. [2022-11-21 16:34:21,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:34:21,178 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1118 transitions. [2022-11-21 16:34:21,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 186.33333333333334) internal successors, (1118), 6 states have internal predecessors, (1118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:21,183 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:21,184 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:21,184 INFO L175 Difference]: Start difference. First operand has 188 places, 184 transitions, 383 flow. Second operand 6 states and 1118 transitions. [2022-11-21 16:34:21,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 215 transitions, 605 flow [2022-11-21 16:34:21,186 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 215 transitions, 604 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:34:21,189 INFO L231 Difference]: Finished difference. Result has 191 places, 183 transitions, 388 flow [2022-11-21 16:34:21,189 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=388, PETRI_PLACES=191, PETRI_TRANSITIONS=183} [2022-11-21 16:34:21,190 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -38 predicate places. [2022-11-21 16:34:21,190 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 183 transitions, 388 flow [2022-11-21 16:34:21,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 177.0) internal successors, (1062), 6 states have internal predecessors, (1062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:21,191 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:34:21,191 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] [2022-11-21 16:34:21,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 16:34:21,192 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-21 16:34:21,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:34:21,192 INFO L85 PathProgramCache]: Analyzing trace with hash 474357910, now seen corresponding path program 1 times [2022-11-21 16:34:21,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:34:21,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799760534] [2022-11-21 16:34:21,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:34:21,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:34:21,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:21,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:34:21,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:34:21,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799760534] [2022-11-21 16:34:21,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799760534] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:34:21,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:34:21,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:34:21,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387544965] [2022-11-21 16:34:21,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:34:21,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:34:21,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:34:21,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:34:21,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:34:21,701 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 252 [2022-11-21 16:34:21,702 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 183 transitions, 388 flow. Second operand has 6 states, 6 states have (on average 178.0) internal successors, (1068), 6 states have internal predecessors, (1068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:21,702 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:34:21,702 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 252 [2022-11-21 16:34:21,702 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:34:22,180 INFO L130 PetriNetUnfolder]: 589/1207 cut-off events. [2022-11-21 16:34:22,180 INFO L131 PetriNetUnfolder]: For 163/163 co-relation queries the response was YES. [2022-11-21 16:34:22,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2352 conditions, 1207 events. 589/1207 cut-off events. For 163/163 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 5440 event pairs, 377 based on Foata normal form. 0/1159 useless extension candidates. Maximal degree in co-relation 2288. Up to 725 conditions per place. [2022-11-21 16:34:22,190 INFO L137 encePairwiseOnDemand]: 247/252 looper letters, 59 selfloop transitions, 4 changer transitions 0/206 dead transitions. [2022-11-21 16:34:22,190 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 206 transitions, 576 flow [2022-11-21 16:34:22,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:34:22,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:34:22,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1109 transitions. [2022-11-21 16:34:22,193 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7334656084656085 [2022-11-21 16:34:22,194 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1109 transitions. [2022-11-21 16:34:22,194 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1109 transitions. [2022-11-21 16:34:22,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:34:22,195 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1109 transitions. [2022-11-21 16:34:22,199 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 184.83333333333334) internal successors, (1109), 6 states have internal predecessors, (1109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:22,202 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:22,202 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:22,203 INFO L175 Difference]: Start difference. First operand has 191 places, 183 transitions, 388 flow. Second operand 6 states and 1109 transitions. [2022-11-21 16:34:22,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 206 transitions, 576 flow [2022-11-21 16:34:22,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 206 transitions, 569 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 16:34:22,208 INFO L231 Difference]: Finished difference. Result has 191 places, 182 transitions, 387 flow [2022-11-21 16:34:22,209 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=379, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=387, PETRI_PLACES=191, PETRI_TRANSITIONS=182} [2022-11-21 16:34:22,210 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -38 predicate places. [2022-11-21 16:34:22,210 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 182 transitions, 387 flow [2022-11-21 16:34:22,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 178.0) internal successors, (1068), 6 states have internal predecessors, (1068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:22,211 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:34:22,211 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] [2022-11-21 16:34:22,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 16:34:22,212 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-21 16:34:22,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:34:22,212 INFO L85 PathProgramCache]: Analyzing trace with hash 193339972, now seen corresponding path program 1 times [2022-11-21 16:34:22,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:34:22,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127488698] [2022-11-21 16:34:22,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:34:22,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:34:22,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:22,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:34:22,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:34:22,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127488698] [2022-11-21 16:34:22,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127488698] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:34:22,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:34:22,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:34:22,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155072839] [2022-11-21 16:34:22,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:34:22,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:34:22,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:34:22,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:34:22,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:34:22,384 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 252 [2022-11-21 16:34:22,385 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 182 transitions, 387 flow. Second operand has 4 states, 4 states have (on average 202.25) internal successors, (809), 4 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) [2022-11-21 16:34:22,385 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:34:22,385 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 252 [2022-11-21 16:34:22,385 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:34:22,609 INFO L130 PetriNetUnfolder]: 188/600 cut-off events. [2022-11-21 16:34:22,609 INFO L131 PetriNetUnfolder]: For 56/78 co-relation queries the response was YES. [2022-11-21 16:34:22,611 INFO L83 FinitePrefix]: Finished finitePrefix Result has 979 conditions, 600 events. 188/600 cut-off events. For 56/78 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2583 event pairs, 26 based on Foata normal form. 1/546 useless extension candidates. Maximal degree in co-relation 918. Up to 115 conditions per place. [2022-11-21 16:34:22,614 INFO L137 encePairwiseOnDemand]: 247/252 looper letters, 35 selfloop transitions, 5 changer transitions 0/204 dead transitions. [2022-11-21 16:34:22,614 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 204 transitions, 523 flow [2022-11-21 16:34:22,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:34:22,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-21 16:34:22,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1039 transitions. [2022-11-21 16:34:22,618 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8246031746031746 [2022-11-21 16:34:22,619 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1039 transitions. [2022-11-21 16:34:22,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1039 transitions. [2022-11-21 16:34:22,620 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:34:22,620 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1039 transitions. [2022-11-21 16:34:22,623 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 207.8) internal successors, (1039), 5 states have internal predecessors, (1039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:22,626 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 252.0) internal successors, (1512), 6 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:22,627 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 252.0) internal successors, (1512), 6 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:22,627 INFO L175 Difference]: Start difference. First operand has 191 places, 182 transitions, 387 flow. Second operand 5 states and 1039 transitions. [2022-11-21 16:34:22,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 204 transitions, 523 flow [2022-11-21 16:34:22,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 204 transitions, 516 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 16:34:22,632 INFO L231 Difference]: Finished difference. Result has 194 places, 185 transitions, 411 flow [2022-11-21 16:34:22,633 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=411, PETRI_PLACES=194, PETRI_TRANSITIONS=185} [2022-11-21 16:34:22,633 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -35 predicate places. [2022-11-21 16:34:22,633 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 185 transitions, 411 flow [2022-11-21 16:34:22,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 202.25) internal successors, (809), 4 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) [2022-11-21 16:34:22,634 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:34:22,635 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:34:22,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-21 16:34:22,635 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-21 16:34:22,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:34:22,636 INFO L85 PathProgramCache]: Analyzing trace with hash 195605610, now seen corresponding path program 1 times [2022-11-21 16:34:22,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:34:22,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552753179] [2022-11-21 16:34:22,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:34:22,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:34:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:23,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:34:23,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:34:23,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552753179] [2022-11-21 16:34:23,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552753179] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:34:23,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:34:23,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:34:23,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954343890] [2022-11-21 16:34:23,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:34:23,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:34:23,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:34:23,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:34:23,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:34:23,195 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 252 [2022-11-21 16:34:23,196 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 185 transitions, 411 flow. Second operand has 6 states, 6 states have (on average 179.33333333333334) internal successors, (1076), 6 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:23,196 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:34:23,197 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 252 [2022-11-21 16:34:23,197 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:34:23,686 INFO L130 PetriNetUnfolder]: 750/1522 cut-off events. [2022-11-21 16:34:23,687 INFO L131 PetriNetUnfolder]: For 616/616 co-relation queries the response was YES. [2022-11-21 16:34:23,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3361 conditions, 1522 events. 750/1522 cut-off events. For 616/616 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 7899 event pairs, 533 based on Foata normal form. 0/1482 useless extension candidates. Maximal degree in co-relation 3293. Up to 1124 conditions per place. [2022-11-21 16:34:23,699 INFO L137 encePairwiseOnDemand]: 247/252 looper letters, 37 selfloop transitions, 4 changer transitions 0/184 dead transitions. [2022-11-21 16:34:23,699 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 184 transitions, 491 flow [2022-11-21 16:34:23,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:34:23,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:34:23,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1088 transitions. [2022-11-21 16:34:23,702 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7195767195767195 [2022-11-21 16:34:23,702 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1088 transitions. [2022-11-21 16:34:23,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1088 transitions. [2022-11-21 16:34:23,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:34:23,704 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1088 transitions. [2022-11-21 16:34:23,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 181.33333333333334) internal successors, (1088), 6 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:23,709 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:23,709 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 252.0) internal successors, (1764), 7 states have internal predecessors, (1764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:23,710 INFO L175 Difference]: Start difference. First operand has 194 places, 185 transitions, 411 flow. Second operand 6 states and 1088 transitions. [2022-11-21 16:34:23,710 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 184 transitions, 491 flow [2022-11-21 16:34:23,712 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 184 transitions, 488 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 16:34:23,715 INFO L231 Difference]: Finished difference. Result has 197 places, 184 transitions, 414 flow [2022-11-21 16:34:23,716 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=406, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=414, PETRI_PLACES=197, PETRI_TRANSITIONS=184} [2022-11-21 16:34:23,716 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -32 predicate places. [2022-11-21 16:34:23,717 INFO L495 AbstractCegarLoop]: Abstraction has has 197 places, 184 transitions, 414 flow [2022-11-21 16:34:23,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 179.33333333333334) internal successors, (1076), 6 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:23,733 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:34:23,734 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] [2022-11-21 16:34:23,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-21 16:34:23,734 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 67 more)] === [2022-11-21 16:34:23,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:34:23,735 INFO L85 PathProgramCache]: Analyzing trace with hash 749547636, now seen corresponding path program 1 times [2022-11-21 16:34:23,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:34:23,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115036151] [2022-11-21 16:34:23,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:34:23,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:34:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:34:23,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:34:23,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:34:23,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115036151] [2022-11-21 16:34:23,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115036151] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:34:23,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:34:23,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:34:23,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988534598] [2022-11-21 16:34:23,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:34:23,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:34:23,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:34:23,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:34:23,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:34:23,808 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 252 [2022-11-21 16:34:23,809 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 184 transitions, 414 flow. Second operand has 3 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:23,810 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:34:23,810 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 252 [2022-11-21 16:34:23,810 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:34:23,961 INFO L130 PetriNetUnfolder]: 149/598 cut-off events. [2022-11-21 16:34:23,961 INFO L131 PetriNetUnfolder]: For 143/186 co-relation queries the response was YES. [2022-11-21 16:34:23,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1012 conditions, 598 events. 149/598 cut-off events. For 143/186 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 2679 event pairs, 23 based on Foata normal form. 3/557 useless extension candidates. Maximal degree in co-relation 977. Up to 184 conditions per place. [2022-11-21 16:34:23,964 INFO L137 encePairwiseOnDemand]: 247/252 looper letters, 0 selfloop transitions, 0 changer transitions 195/195 dead transitions. [2022-11-21 16:34:23,964 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 195 transitions, 517 flow [2022-11-21 16:34:23,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:34:23,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:34:23,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 624 transitions. [2022-11-21 16:34:23,966 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8253968253968254 [2022-11-21 16:34:23,966 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 624 transitions. [2022-11-21 16:34:23,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 624 transitions. [2022-11-21 16:34:23,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:34:23,967 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 624 transitions. [2022-11-21 16:34:23,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 208.0) internal successors, (624), 3 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:23,970 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:23,971 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 252.0) internal successors, (1008), 4 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:23,971 INFO L175 Difference]: Start difference. First operand has 197 places, 184 transitions, 414 flow. Second operand 3 states and 624 transitions. [2022-11-21 16:34:23,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 195 transitions, 517 flow [2022-11-21 16:34:23,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 195 transitions, 510 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 16:34:23,975 INFO L231 Difference]: Finished difference. Result has 194 places, 0 transitions, 0 flow [2022-11-21 16:34:23,976 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=252, PETRI_DIFFERENCE_MINUEND_FLOW=405, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=194, PETRI_TRANSITIONS=0} [2022-11-21 16:34:23,977 INFO L288 CegarLoopForPetriNet]: 229 programPoint places, -35 predicate places. [2022-11-21 16:34:23,977 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 0 transitions, 0 flow [2022-11-21 16:34:23,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:34:23,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (70 of 71 remaining) [2022-11-21 16:34:23,980 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (69 of 71 remaining) [2022-11-21 16:34:23,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (68 of 71 remaining) [2022-11-21 16:34:23,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (67 of 71 remaining) [2022-11-21 16:34:23,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (66 of 71 remaining) [2022-11-21 16:34:23,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (65 of 71 remaining) [2022-11-21 16:34:23,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (64 of 71 remaining) [2022-11-21 16:34:23,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (63 of 71 remaining) [2022-11-21 16:34:23,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (62 of 71 remaining) [2022-11-21 16:34:23,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (61 of 71 remaining) [2022-11-21 16:34:23,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (60 of 71 remaining) [2022-11-21 16:34:23,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (59 of 71 remaining) [2022-11-21 16:34:23,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (58 of 71 remaining) [2022-11-21 16:34:23,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (57 of 71 remaining) [2022-11-21 16:34:23,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (56 of 71 remaining) [2022-11-21 16:34:23,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (55 of 71 remaining) [2022-11-21 16:34:23,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (54 of 71 remaining) [2022-11-21 16:34:23,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (53 of 71 remaining) [2022-11-21 16:34:23,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (52 of 71 remaining) [2022-11-21 16:34:23,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (51 of 71 remaining) [2022-11-21 16:34:23,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (50 of 71 remaining) [2022-11-21 16:34:23,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (49 of 71 remaining) [2022-11-21 16:34:23,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (48 of 71 remaining) [2022-11-21 16:34:23,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (47 of 71 remaining) [2022-11-21 16:34:23,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (46 of 71 remaining) [2022-11-21 16:34:23,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (45 of 71 remaining) [2022-11-21 16:34:23,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (44 of 71 remaining) [2022-11-21 16:34:23,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (43 of 71 remaining) [2022-11-21 16:34:23,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (42 of 71 remaining) [2022-11-21 16:34:23,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (41 of 71 remaining) [2022-11-21 16:34:23,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (40 of 71 remaining) [2022-11-21 16:34:23,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (39 of 71 remaining) [2022-11-21 16:34:23,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (38 of 71 remaining) [2022-11-21 16:34:23,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (37 of 71 remaining) [2022-11-21 16:34:23,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (36 of 71 remaining) [2022-11-21 16:34:23,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (35 of 71 remaining) [2022-11-21 16:34:23,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (34 of 71 remaining) [2022-11-21 16:34:23,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (33 of 71 remaining) [2022-11-21 16:34:23,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (32 of 71 remaining) [2022-11-21 16:34:23,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (31 of 71 remaining) [2022-11-21 16:34:23,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (30 of 71 remaining) [2022-11-21 16:34:23,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 71 remaining) [2022-11-21 16:34:23,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 71 remaining) [2022-11-21 16:34:23,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (27 of 71 remaining) [2022-11-21 16:34:23,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (26 of 71 remaining) [2022-11-21 16:34:23,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (25 of 71 remaining) [2022-11-21 16:34:23,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (24 of 71 remaining) [2022-11-21 16:34:23,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 71 remaining) [2022-11-21 16:34:23,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (22 of 71 remaining) [2022-11-21 16:34:23,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (21 of 71 remaining) [2022-11-21 16:34:23,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (20 of 71 remaining) [2022-11-21 16:34:23,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (19 of 71 remaining) [2022-11-21 16:34:23,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (18 of 71 remaining) [2022-11-21 16:34:23,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (17 of 71 remaining) [2022-11-21 16:34:23,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (16 of 71 remaining) [2022-11-21 16:34:23,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (15 of 71 remaining) [2022-11-21 16:34:23,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (14 of 71 remaining) [2022-11-21 16:34:23,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (13 of 71 remaining) [2022-11-21 16:34:23,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (12 of 71 remaining) [2022-11-21 16:34:23,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (11 of 71 remaining) [2022-11-21 16:34:23,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (10 of 71 remaining) [2022-11-21 16:34:23,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (9 of 71 remaining) [2022-11-21 16:34:23,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (8 of 71 remaining) [2022-11-21 16:34:23,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (7 of 71 remaining) [2022-11-21 16:34:23,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (6 of 71 remaining) [2022-11-21 16:34:23,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (5 of 71 remaining) [2022-11-21 16:34:23,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (4 of 71 remaining) [2022-11-21 16:34:23,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (3 of 71 remaining) [2022-11-21 16:34:23,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (2 of 71 remaining) [2022-11-21 16:34:23,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 71 remaining) [2022-11-21 16:34:23,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (0 of 71 remaining) [2022-11-21 16:34:23,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-21 16:34:23,998 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:34:24,005 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-21 16:34:24,005 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:34:24,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:34:24 BasicIcfg [2022-11-21 16:34:24,012 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:34:24,012 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:34:24,013 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:34:24,013 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:34:24,013 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:34:15" (3/4) ... [2022-11-21 16:34:24,016 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 16:34:24,021 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-21 16:34:24,021 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-21 16:34:24,022 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-21 16:34:24,028 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-21 16:34:24,029 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 16:34:24,029 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 16:34:24,030 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:34:24,091 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fea962c-a135-43fd-b3e4-17816221014a/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 16:34:24,091 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:34:24,092 INFO L158 Benchmark]: Toolchain (without parser) took 9909.82ms. Allocated memory was 172.0MB in the beginning and 312.5MB in the end (delta: 140.5MB). Free memory was 139.0MB in the beginning and 163.0MB in the end (delta: -24.0MB). Peak memory consumption was 116.2MB. Max. memory is 16.1GB. [2022-11-21 16:34:24,092 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 121.6MB. Free memory was 90.7MB in the beginning and 90.6MB in the end (delta: 70.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:34:24,093 INFO L158 Benchmark]: CACSL2BoogieTranslator took 456.80ms. Allocated memory is still 172.0MB. Free memory was 139.0MB in the beginning and 134.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 16:34:24,093 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.95ms. Allocated memory is still 172.0MB. Free memory was 134.9MB in the beginning and 132.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:34:24,093 INFO L158 Benchmark]: Boogie Preprocessor took 80.08ms. Allocated memory is still 172.0MB. Free memory was 132.1MB in the beginning and 129.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:34:24,094 INFO L158 Benchmark]: RCFGBuilder took 1122.49ms. Allocated memory is still 172.0MB. Free memory was 129.4MB in the beginning and 72.0MB in the end (delta: 57.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2022-11-21 16:34:24,094 INFO L158 Benchmark]: TraceAbstraction took 8085.56ms. Allocated memory was 172.0MB in the beginning and 312.5MB in the end (delta: 140.5MB). Free memory was 71.3MB in the beginning and 167.2MB in the end (delta: -95.9MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2022-11-21 16:34:24,095 INFO L158 Benchmark]: Witness Printer took 78.91ms. Allocated memory is still 312.5MB. Free memory was 167.2MB in the beginning and 163.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 16:34:24,098 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 121.6MB. Free memory was 90.7MB in the beginning and 90.6MB in the end (delta: 70.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 456.80ms. Allocated memory is still 172.0MB. Free memory was 139.0MB in the beginning and 134.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.95ms. Allocated memory is still 172.0MB. Free memory was 134.9MB in the beginning and 132.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.08ms. Allocated memory is still 172.0MB. Free memory was 132.1MB in the beginning and 129.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1122.49ms. Allocated memory is still 172.0MB. Free memory was 129.4MB in the beginning and 72.0MB in the end (delta: 57.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * TraceAbstraction took 8085.56ms. Allocated memory was 172.0MB in the beginning and 312.5MB in the end (delta: 140.5MB). Free memory was 71.3MB in the beginning and 167.2MB in the end (delta: -95.9MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * Witness Printer took 78.91ms. Allocated memory is still 312.5MB. Free memory was 167.2MB in the beginning and 163.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: 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: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: 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: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: 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: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: 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: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 298 locations, 71 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: 7.9s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 129 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 129 mSDsluCounter, 132 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 807 IncrementalHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 129 mSDtfsCounter, 807 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=476occurred in iteration=0, InterpolantAutomatonStates: 59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 1273 NumberOfCodeBlocks, 1273 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1258 ConstructedInterpolants, 0 QuantifiedInterpolants, 1772 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 41 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-21 16:34:24,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fea962c-a135-43fd-b3e4-17816221014a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE