./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501c9b1c-c93b-40fd-a025-ef480c688fff/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501c9b1c-c93b-40fd-a025-ef480c688fff/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501c9b1c-c93b-40fd-a025-ef480c688fff/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501c9b1c-c93b-40fd-a025-ef480c688fff/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501c9b1c-c93b-40fd-a025-ef480c688fff/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501c9b1c-c93b-40fd-a025-ef480c688fff/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ceb4cfb737a49cea9ea1be451c16ebb29f48ae611a8c94fc546ca2e3471f0eb3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:21:57,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:21:57,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:21:57,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:21:57,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:21:57,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:21:57,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:21:57,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:21:57,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:21:57,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:21:57,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:21:57,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:21:57,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:21:57,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:21:57,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:21:57,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:21:57,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:21:57,186 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:21:57,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:21:57,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:21:57,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:21:57,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:21:57,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:21:57,204 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:21:57,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:21:57,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:21:57,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:21:57,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:21:57,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:21:57,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:21:57,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:21:57,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:21:57,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:21:57,226 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:21:57,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:21:57,227 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:21:57,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:21:57,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:21:57,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:21:57,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:21:57,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:21:57,236 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501c9b1c-c93b-40fd-a025-ef480c688fff/bin/uautomizer-ug76WZFUDN/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-20 11:21:57,280 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:21:57,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:21:57,281 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:21:57,281 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:21:57,282 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:21:57,282 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:21:57,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:21:57,284 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:21:57,284 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:21:57,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:21:57,285 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 11:21:57,286 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:21:57,286 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:21:57,286 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 11:21:57,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:21:57,287 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:21:57,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:21:57,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:21:57,287 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-20 11:21:57,288 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 11:21:57,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:21:57,288 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:21:57,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:21:57,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:21:57,289 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:21:57,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:21:57,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:21:57,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:21:57,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:21:57,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:21:57,291 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:21:57,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:21:57,292 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:21:57,292 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:21:57,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:21:57,292 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_501c9b1c-c93b-40fd-a025-ef480c688fff/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501c9b1c-c93b-40fd-a025-ef480c688fff/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ceb4cfb737a49cea9ea1be451c16ebb29f48ae611a8c94fc546ca2e3471f0eb3 [2022-11-20 11:21:57,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:21:57,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:21:57,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:21:57,621 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:21:57,621 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:21:57,623 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501c9b1c-c93b-40fd-a025-ef480c688fff/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c [2022-11-20 11:22:00,746 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:22:00,925 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:22:00,925 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501c9b1c-c93b-40fd-a025-ef480c688fff/sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c [2022-11-20 11:22:00,932 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501c9b1c-c93b-40fd-a025-ef480c688fff/bin/uautomizer-ug76WZFUDN/data/695cde6a4/0810e820a47f4c989ec021360e25991f/FLAG5bc6f4be7 [2022-11-20 11:22:00,947 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501c9b1c-c93b-40fd-a025-ef480c688fff/bin/uautomizer-ug76WZFUDN/data/695cde6a4/0810e820a47f4c989ec021360e25991f [2022-11-20 11:22:00,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:22:00,951 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:22:00,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:22:00,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:22:00,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:22:00,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:22:00" (1/1) ... [2022-11-20 11:22:00,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61a2f24d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:00, skipping insertion in model container [2022-11-20 11:22:00,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:22:00" (1/1) ... [2022-11-20 11:22:00,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:22:00,993 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:22:01,230 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_501c9b1c-c93b-40fd-a025-ef480c688fff/sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c[2586,2599] [2022-11-20 11:22:01,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:22:01,264 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:22:01,316 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_501c9b1c-c93b-40fd-a025-ef480c688fff/sv-benchmarks/c/weaver/popl20-more-min-array-hom.wvr.c[2586,2599] [2022-11-20 11:22:01,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:22:01,341 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:22:01,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:01 WrapperNode [2022-11-20 11:22:01,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:22:01,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:22:01,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:22:01,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:22:01,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:01" (1/1) ... [2022-11-20 11:22:01,375 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:01" (1/1) ... [2022-11-20 11:22:01,422 INFO L138 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 162 [2022-11-20 11:22:01,423 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:22:01,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:22:01,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:22:01,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:22:01,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:01" (1/1) ... [2022-11-20 11:22:01,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:01" (1/1) ... [2022-11-20 11:22:01,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:01" (1/1) ... [2022-11-20 11:22:01,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:01" (1/1) ... [2022-11-20 11:22:01,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:01" (1/1) ... [2022-11-20 11:22:01,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:01" (1/1) ... [2022-11-20 11:22:01,469 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:01" (1/1) ... [2022-11-20 11:22:01,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:01" (1/1) ... [2022-11-20 11:22:01,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:22:01,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:22:01,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:22:01,475 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:22:01,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:01" (1/1) ... [2022-11-20 11:22:01,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:22:01,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501c9b1c-c93b-40fd-a025-ef480c688fff/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:22:01,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501c9b1c-c93b-40fd-a025-ef480c688fff/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:22:01,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501c9b1c-c93b-40fd-a025-ef480c688fff/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:22:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:22:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 11:22:01,574 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 11:22:01,574 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 11:22:01,575 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 11:22:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 11:22:01,575 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 11:22:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:22:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:22:01,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 11:22:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 11:22:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 11:22:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 11:22:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:22:01,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:22:01,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 11:22:01,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:22:01,578 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 11:22:01,722 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:22:01,724 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:22:02,406 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:22:02,585 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:22:02,586 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 11:22:02,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:22:02 BoogieIcfgContainer [2022-11-20 11:22:02,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:22:02,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:22:02,591 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:22:02,594 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:22:02,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:22:00" (1/3) ... [2022-11-20 11:22:02,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@546366e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:22:02, skipping insertion in model container [2022-11-20 11:22:02,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:22:01" (2/3) ... [2022-11-20 11:22:02,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@546366e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:22:02, skipping insertion in model container [2022-11-20 11:22:02,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:22:02" (3/3) ... [2022-11-20 11:22:02,597 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-min-array-hom.wvr.c [2022-11-20 11:22:02,606 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 11:22:02,617 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:22:02,617 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2022-11-20 11:22:02,617 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 11:22:02,689 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-20 11:22:02,728 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 257 places, 261 transitions, 546 flow [2022-11-20 11:22:02,815 INFO L130 PetriNetUnfolder]: 14/258 cut-off events. [2022-11-20 11:22:02,815 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-20 11:22:02,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 271 conditions, 258 events. 14/258 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 286 event pairs, 0 based on Foata normal form. 0/206 useless extension candidates. Maximal degree in co-relation 171. Up to 2 conditions per place. [2022-11-20 11:22:02,824 INFO L82 GeneralOperation]: Start removeDead. Operand has 257 places, 261 transitions, 546 flow [2022-11-20 11:22:02,830 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 232 places, 234 transitions, 486 flow [2022-11-20 11:22:02,847 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:22:02,854 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;@44598820, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:22:02,854 INFO L358 AbstractCegarLoop]: Starting to check reachability of 63 error locations. [2022-11-20 11:22:02,861 INFO L130 PetriNetUnfolder]: 0/25 cut-off events. [2022-11-20 11:22:02,861 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 11:22:02,861 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:02,862 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] [2022-11-20 11:22:02,862 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-20 11:22:02,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:02,868 INFO L85 PathProgramCache]: Analyzing trace with hash -102642556, now seen corresponding path program 1 times [2022-11-20 11:22:02,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:02,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096307598] [2022-11-20 11:22:02,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:02,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:03,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:03,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:03,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096307598] [2022-11-20 11:22:03,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096307598] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:03,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:03,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:03,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687442661] [2022-11-20 11:22:03,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:03,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:03,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:03,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:03,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:03,151 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 261 [2022-11-20 11:22:03,158 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 234 transitions, 486 flow. Second operand has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:03,159 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:03,159 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 261 [2022-11-20 11:22:03,160 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:03,541 INFO L130 PetriNetUnfolder]: 205/694 cut-off events. [2022-11-20 11:22:03,541 INFO L131 PetriNetUnfolder]: For 181/206 co-relation queries the response was YES. [2022-11-20 11:22:03,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1070 conditions, 694 events. 205/694 cut-off events. For 181/206 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3283 event pairs, 114 based on Foata normal form. 75/595 useless extension candidates. Maximal degree in co-relation 859. Up to 288 conditions per place. [2022-11-20 11:22:03,556 INFO L137 encePairwiseOnDemand]: 233/261 looper letters, 24 selfloop transitions, 2 changer transitions 3/208 dead transitions. [2022-11-20 11:22:03,557 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 208 transitions, 486 flow [2022-11-20 11:22:03,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:03,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:03,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 673 transitions. [2022-11-20 11:22:03,577 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.859514687100894 [2022-11-20 11:22:03,578 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 673 transitions. [2022-11-20 11:22:03,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 673 transitions. [2022-11-20 11:22:03,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:03,585 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 673 transitions. [2022-11-20 11:22:03,591 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 224.33333333333334) internal successors, (673), 3 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:03,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:03,601 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:03,603 INFO L175 Difference]: Start difference. First operand has 232 places, 234 transitions, 486 flow. Second operand 3 states and 673 transitions. [2022-11-20 11:22:03,604 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 208 transitions, 486 flow [2022-11-20 11:22:03,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 208 transitions, 474 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-20 11:22:03,616 INFO L231 Difference]: Finished difference. Result has 209 places, 205 transitions, 420 flow [2022-11-20 11:22:03,619 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=261, PETRI_DIFFERENCE_MINUEND_FLOW=422, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=420, PETRI_PLACES=209, PETRI_TRANSITIONS=205} [2022-11-20 11:22:03,624 INFO L288 CegarLoopForPetriNet]: 232 programPoint places, -23 predicate places. [2022-11-20 11:22:03,624 INFO L495 AbstractCegarLoop]: Abstraction has has 209 places, 205 transitions, 420 flow [2022-11-20 11:22:03,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:03,625 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:03,626 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] [2022-11-20 11:22:03,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:22:03,627 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-20 11:22:03,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:03,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1653474480, now seen corresponding path program 1 times [2022-11-20 11:22:03,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:03,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063582926] [2022-11-20 11:22:03,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:03,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:03,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:03,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:03,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063582926] [2022-11-20 11:22:03,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063582926] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:03,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:03,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:03,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019881457] [2022-11-20 11:22:03,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:03,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:03,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:03,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:03,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:03,759 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 261 [2022-11-20 11:22:03,760 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 205 transitions, 420 flow. Second operand has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:03,761 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:03,761 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 261 [2022-11-20 11:22:03,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:03,953 INFO L130 PetriNetUnfolder]: 154/667 cut-off events. [2022-11-20 11:22:03,953 INFO L131 PetriNetUnfolder]: For 21/48 co-relation queries the response was YES. [2022-11-20 11:22:03,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 929 conditions, 667 events. 154/667 cut-off events. For 21/48 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 3190 event pairs, 90 based on Foata normal form. 0/535 useless extension candidates. Maximal degree in co-relation 895. Up to 240 conditions per place. [2022-11-20 11:22:03,961 INFO L137 encePairwiseOnDemand]: 258/261 looper letters, 24 selfloop transitions, 2 changer transitions 0/204 dead transitions. [2022-11-20 11:22:03,961 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 204 transitions, 470 flow [2022-11-20 11:22:03,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:03,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:03,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 648 transitions. [2022-11-20 11:22:03,963 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8275862068965517 [2022-11-20 11:22:03,964 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 648 transitions. [2022-11-20 11:22:03,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 648 transitions. [2022-11-20 11:22:03,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:03,964 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 648 transitions. [2022-11-20 11:22:03,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 216.0) internal successors, (648), 3 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:03,997 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:03,998 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:03,998 INFO L175 Difference]: Start difference. First operand has 209 places, 205 transitions, 420 flow. Second operand 3 states and 648 transitions. [2022-11-20 11:22:03,998 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 204 transitions, 470 flow [2022-11-20 11:22:04,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 204 transitions, 466 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:22:04,002 INFO L231 Difference]: Finished difference. Result has 205 places, 204 transitions, 418 flow [2022-11-20 11:22:04,009 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=261, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=418, PETRI_PLACES=205, PETRI_TRANSITIONS=204} [2022-11-20 11:22:04,011 INFO L288 CegarLoopForPetriNet]: 232 programPoint places, -27 predicate places. [2022-11-20 11:22:04,011 INFO L495 AbstractCegarLoop]: Abstraction has has 205 places, 204 transitions, 418 flow [2022-11-20 11:22:04,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:04,012 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:04,012 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:04,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 11:22:04,013 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-20 11:22:04,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:04,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1404229599, now seen corresponding path program 1 times [2022-11-20 11:22:04,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:04,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832966303] [2022-11-20 11:22:04,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:04,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:04,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:04,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:04,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832966303] [2022-11-20 11:22:04,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832966303] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:04,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:04,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:04,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752294421] [2022-11-20 11:22:04,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:04,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:04,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:04,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:04,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:04,089 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 261 [2022-11-20 11:22:04,090 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 204 transitions, 418 flow. Second operand has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:04,090 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:04,090 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 261 [2022-11-20 11:22:04,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:04,222 INFO L130 PetriNetUnfolder]: 108/561 cut-off events. [2022-11-20 11:22:04,223 INFO L131 PetriNetUnfolder]: For 18/35 co-relation queries the response was YES. [2022-11-20 11:22:04,225 INFO L83 FinitePrefix]: Finished finitePrefix Result has 745 conditions, 561 events. 108/561 cut-off events. For 18/35 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2407 event pairs, 59 based on Foata normal form. 0/479 useless extension candidates. Maximal degree in co-relation 703. Up to 164 conditions per place. [2022-11-20 11:22:04,228 INFO L137 encePairwiseOnDemand]: 256/261 looper letters, 18 selfloop transitions, 1 changer transitions 0/200 dead transitions. [2022-11-20 11:22:04,228 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 200 transitions, 448 flow [2022-11-20 11:22:04,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:04,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:04,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 653 transitions. [2022-11-20 11:22:04,231 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8339719029374202 [2022-11-20 11:22:04,231 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 653 transitions. [2022-11-20 11:22:04,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 653 transitions. [2022-11-20 11:22:04,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:04,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 653 transitions. [2022-11-20 11:22:04,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 217.66666666666666) internal successors, (653), 3 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:04,236 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:04,237 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:04,237 INFO L175 Difference]: Start difference. First operand has 205 places, 204 transitions, 418 flow. Second operand 3 states and 653 transitions. [2022-11-20 11:22:04,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 200 transitions, 448 flow [2022-11-20 11:22:04,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 200 transitions, 444 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:22:04,242 INFO L231 Difference]: Finished difference. Result has 201 places, 200 transitions, 408 flow [2022-11-20 11:22:04,243 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=261, PETRI_DIFFERENCE_MINUEND_FLOW=406, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=408, PETRI_PLACES=201, PETRI_TRANSITIONS=200} [2022-11-20 11:22:04,243 INFO L288 CegarLoopForPetriNet]: 232 programPoint places, -31 predicate places. [2022-11-20 11:22:04,244 INFO L495 AbstractCegarLoop]: Abstraction has has 201 places, 200 transitions, 408 flow [2022-11-20 11:22:04,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:04,245 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:04,245 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] [2022-11-20 11:22:04,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 11:22:04,245 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-20 11:22:04,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:04,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1126554298, now seen corresponding path program 1 times [2022-11-20 11:22:04,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:04,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046660577] [2022-11-20 11:22:04,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:04,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:04,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:04,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:04,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046660577] [2022-11-20 11:22:04,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046660577] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:04,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:04,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:04,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179321343] [2022-11-20 11:22:04,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:04,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:04,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:04,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:04,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:04,316 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 261 [2022-11-20 11:22:04,317 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 200 transitions, 408 flow. Second operand has 3 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:04,317 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:04,317 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 261 [2022-11-20 11:22:04,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:04,423 INFO L130 PetriNetUnfolder]: 42/361 cut-off events. [2022-11-20 11:22:04,423 INFO L131 PetriNetUnfolder]: For 14/17 co-relation queries the response was YES. [2022-11-20 11:22:04,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 435 conditions, 361 events. 42/361 cut-off events. For 14/17 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 957 event pairs, 15 based on Foata normal form. 0/314 useless extension candidates. Maximal degree in co-relation 394. Up to 62 conditions per place. [2022-11-20 11:22:04,426 INFO L137 encePairwiseOnDemand]: 258/261 looper letters, 12 selfloop transitions, 2 changer transitions 0/199 dead transitions. [2022-11-20 11:22:04,427 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 199 transitions, 434 flow [2022-11-20 11:22:04,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:04,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:04,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 672 transitions. [2022-11-20 11:22:04,430 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8582375478927203 [2022-11-20 11:22:04,433 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 672 transitions. [2022-11-20 11:22:04,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 672 transitions. [2022-11-20 11:22:04,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:04,434 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 672 transitions. [2022-11-20 11:22:04,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 224.0) internal successors, (672), 3 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:04,438 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:04,440 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:04,440 INFO L175 Difference]: Start difference. First operand has 201 places, 200 transitions, 408 flow. Second operand 3 states and 672 transitions. [2022-11-20 11:22:04,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 199 transitions, 434 flow [2022-11-20 11:22:04,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 199 transitions, 433 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:22:04,449 INFO L231 Difference]: Finished difference. Result has 201 places, 199 transitions, 409 flow [2022-11-20 11:22:04,449 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=261, PETRI_DIFFERENCE_MINUEND_FLOW=405, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=409, PETRI_PLACES=201, PETRI_TRANSITIONS=199} [2022-11-20 11:22:04,451 INFO L288 CegarLoopForPetriNet]: 232 programPoint places, -31 predicate places. [2022-11-20 11:22:04,451 INFO L495 AbstractCegarLoop]: Abstraction has has 201 places, 199 transitions, 409 flow [2022-11-20 11:22:04,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:04,452 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:04,453 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:04,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 11:22:04,453 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-20 11:22:04,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:04,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1770987768, now seen corresponding path program 1 times [2022-11-20 11:22:04,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:04,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891842807] [2022-11-20 11:22:04,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:04,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:05,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:05,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:05,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891842807] [2022-11-20 11:22:05,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891842807] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:05,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:05,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:22:05,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255298092] [2022-11-20 11:22:05,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:05,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:22:05,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:05,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:22:05,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:22:05,229 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 261 [2022-11-20 11:22:05,231 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 199 transitions, 409 flow. Second operand has 6 states, 6 states have (on average 191.83333333333334) internal successors, (1151), 6 states have internal predecessors, (1151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:05,231 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:05,231 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 261 [2022-11-20 11:22:05,232 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:05,476 INFO L130 PetriNetUnfolder]: 200/584 cut-off events. [2022-11-20 11:22:05,476 INFO L131 PetriNetUnfolder]: For 1/9 co-relation queries the response was YES. [2022-11-20 11:22:05,478 INFO L83 FinitePrefix]: Finished finitePrefix Result has 913 conditions, 584 events. 200/584 cut-off events. For 1/9 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2363 event pairs, 117 based on Foata normal form. 0/508 useless extension candidates. Maximal degree in co-relation 873. Up to 312 conditions per place. [2022-11-20 11:22:05,482 INFO L137 encePairwiseOnDemand]: 255/261 looper letters, 38 selfloop transitions, 5 changer transitions 0/198 dead transitions. [2022-11-20 11:22:05,482 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 198 transitions, 493 flow [2022-11-20 11:22:05,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:22:05,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 11:22:05,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1184 transitions. [2022-11-20 11:22:05,486 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.756066411238825 [2022-11-20 11:22:05,486 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1184 transitions. [2022-11-20 11:22:05,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1184 transitions. [2022-11-20 11:22:05,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:05,487 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1184 transitions. [2022-11-20 11:22:05,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 197.33333333333334) internal successors, (1184), 6 states have internal predecessors, (1184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:05,493 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 261.0) internal successors, (1827), 7 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:05,494 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 261.0) internal successors, (1827), 7 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:05,495 INFO L175 Difference]: Start difference. First operand has 201 places, 199 transitions, 409 flow. Second operand 6 states and 1184 transitions. [2022-11-20 11:22:05,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 198 transitions, 493 flow [2022-11-20 11:22:05,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 198 transitions, 489 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-20 11:22:05,499 INFO L231 Difference]: Finished difference. Result has 203 places, 198 transitions, 413 flow [2022-11-20 11:22:05,500 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=261, PETRI_DIFFERENCE_MINUEND_FLOW=403, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=413, PETRI_PLACES=203, PETRI_TRANSITIONS=198} [2022-11-20 11:22:05,500 INFO L288 CegarLoopForPetriNet]: 232 programPoint places, -29 predicate places. [2022-11-20 11:22:05,501 INFO L495 AbstractCegarLoop]: Abstraction has has 203 places, 198 transitions, 413 flow [2022-11-20 11:22:05,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 191.83333333333334) internal successors, (1151), 6 states have internal predecessors, (1151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:05,502 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:05,502 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:05,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 11:22:05,502 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-20 11:22:05,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:05,503 INFO L85 PathProgramCache]: Analyzing trace with hash 877371062, now seen corresponding path program 1 times [2022-11-20 11:22:05,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:05,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764472525] [2022-11-20 11:22:05,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:05,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:05,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:05,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:05,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764472525] [2022-11-20 11:22:05,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764472525] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:05,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:05,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:05,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851076292] [2022-11-20 11:22:05,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:05,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:05,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:05,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:05,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:05,544 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 261 [2022-11-20 11:22:05,545 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 198 transitions, 413 flow. Second operand has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:05,546 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:05,546 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 261 [2022-11-20 11:22:05,546 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:05,659 INFO L130 PetriNetUnfolder]: 137/539 cut-off events. [2022-11-20 11:22:05,659 INFO L131 PetriNetUnfolder]: For 37/53 co-relation queries the response was YES. [2022-11-20 11:22:05,661 INFO L83 FinitePrefix]: Finished finitePrefix Result has 748 conditions, 539 events. 137/539 cut-off events. For 37/53 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2223 event pairs, 71 based on Foata normal form. 0/460 useless extension candidates. Maximal degree in co-relation 730. Up to 187 conditions per place. [2022-11-20 11:22:05,664 INFO L137 encePairwiseOnDemand]: 256/261 looper letters, 18 selfloop transitions, 1 changer transitions 0/194 dead transitions. [2022-11-20 11:22:05,664 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 201 places, 194 transitions, 443 flow [2022-11-20 11:22:05,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:05,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:05,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 653 transitions. [2022-11-20 11:22:05,667 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8339719029374202 [2022-11-20 11:22:05,667 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 653 transitions. [2022-11-20 11:22:05,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 653 transitions. [2022-11-20 11:22:05,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:05,668 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 653 transitions. [2022-11-20 11:22:05,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 217.66666666666666) internal successors, (653), 3 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:05,671 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:05,671 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:05,672 INFO L175 Difference]: Start difference. First operand has 203 places, 198 transitions, 413 flow. Second operand 3 states and 653 transitions. [2022-11-20 11:22:05,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 201 places, 194 transitions, 443 flow [2022-11-20 11:22:05,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 194 transitions, 433 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-20 11:22:05,676 INFO L231 Difference]: Finished difference. Result has 196 places, 194 transitions, 397 flow [2022-11-20 11:22:05,677 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=261, PETRI_DIFFERENCE_MINUEND_FLOW=395, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=397, PETRI_PLACES=196, PETRI_TRANSITIONS=194} [2022-11-20 11:22:05,677 INFO L288 CegarLoopForPetriNet]: 232 programPoint places, -36 predicate places. [2022-11-20 11:22:05,678 INFO L495 AbstractCegarLoop]: Abstraction has has 196 places, 194 transitions, 397 flow [2022-11-20 11:22:05,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:05,678 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:05,679 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] [2022-11-20 11:22:05,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 11:22:05,679 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-20 11:22:05,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:05,680 INFO L85 PathProgramCache]: Analyzing trace with hash 2115276045, now seen corresponding path program 1 times [2022-11-20 11:22:05,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:05,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293652916] [2022-11-20 11:22:05,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:05,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:05,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:06,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:06,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:06,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293652916] [2022-11-20 11:22:06,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293652916] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:06,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:06,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:22:06,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422176369] [2022-11-20 11:22:06,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:06,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:22:06,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:06,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:22:06,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:22:06,109 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 261 [2022-11-20 11:22:06,111 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 194 transitions, 397 flow. Second operand has 6 states, 6 states have (on average 197.0) internal successors, (1182), 6 states have internal predecessors, (1182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:06,111 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:06,111 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 261 [2022-11-20 11:22:06,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:06,534 INFO L130 PetriNetUnfolder]: 242/651 cut-off events. [2022-11-20 11:22:06,534 INFO L131 PetriNetUnfolder]: For 1/9 co-relation queries the response was YES. [2022-11-20 11:22:06,537 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1013 conditions, 651 events. 242/651 cut-off events. For 1/9 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2575 event pairs, 22 based on Foata normal form. 4/606 useless extension candidates. Maximal degree in co-relation 971. Up to 184 conditions per place. [2022-11-20 11:22:06,541 INFO L137 encePairwiseOnDemand]: 256/261 looper letters, 43 selfloop transitions, 4 changer transitions 0/205 dead transitions. [2022-11-20 11:22:06,541 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 205 transitions, 513 flow [2022-11-20 11:22:06,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:22:06,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 11:22:06,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1218 transitions. [2022-11-20 11:22:06,545 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7777777777777778 [2022-11-20 11:22:06,545 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1218 transitions. [2022-11-20 11:22:06,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1218 transitions. [2022-11-20 11:22:06,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:06,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1218 transitions. [2022-11-20 11:22:06,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 203.0) internal successors, (1218), 6 states have internal predecessors, (1218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:06,573 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 261.0) internal successors, (1827), 7 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:06,574 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 261.0) internal successors, (1827), 7 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:06,574 INFO L175 Difference]: Start difference. First operand has 196 places, 194 transitions, 397 flow. Second operand 6 states and 1218 transitions. [2022-11-20 11:22:06,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 205 transitions, 513 flow [2022-11-20 11:22:06,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 205 transitions, 512 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:22:06,578 INFO L231 Difference]: Finished difference. Result has 199 places, 193 transitions, 402 flow [2022-11-20 11:22:06,579 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=261, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=402, PETRI_PLACES=199, PETRI_TRANSITIONS=193} [2022-11-20 11:22:06,580 INFO L288 CegarLoopForPetriNet]: 232 programPoint places, -33 predicate places. [2022-11-20 11:22:06,580 INFO L495 AbstractCegarLoop]: Abstraction has has 199 places, 193 transitions, 402 flow [2022-11-20 11:22:06,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 197.0) internal successors, (1182), 6 states have internal predecessors, (1182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:06,581 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:06,581 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] [2022-11-20 11:22:06,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 11:22:06,581 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-20 11:22:06,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:06,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1538969369, now seen corresponding path program 1 times [2022-11-20 11:22:06,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:06,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045876716] [2022-11-20 11:22:06,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:06,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:07,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:07,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:07,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045876716] [2022-11-20 11:22:07,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045876716] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:07,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:07,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:22:07,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29860204] [2022-11-20 11:22:07,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:07,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:22:07,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:07,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:22:07,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:22:07,016 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 261 [2022-11-20 11:22:07,018 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 193 transitions, 402 flow. Second operand has 6 states, 6 states have (on average 198.0) internal successors, (1188), 6 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:07,018 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:07,018 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 261 [2022-11-20 11:22:07,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:07,342 INFO L130 PetriNetUnfolder]: 153/499 cut-off events. [2022-11-20 11:22:07,343 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-11-20 11:22:07,345 INFO L83 FinitePrefix]: Finished finitePrefix Result has 795 conditions, 499 events. 153/499 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1915 event pairs, 79 based on Foata normal form. 0/458 useless extension candidates. Maximal degree in co-relation 753. Up to 179 conditions per place. [2022-11-20 11:22:07,347 INFO L137 encePairwiseOnDemand]: 256/261 looper letters, 38 selfloop transitions, 4 changer transitions 0/200 dead transitions. [2022-11-20 11:22:07,347 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 200 transitions, 500 flow [2022-11-20 11:22:07,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:22:07,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 11:22:07,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1213 transitions. [2022-11-20 11:22:07,351 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7745849297573435 [2022-11-20 11:22:07,351 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1213 transitions. [2022-11-20 11:22:07,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1213 transitions. [2022-11-20 11:22:07,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:07,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1213 transitions. [2022-11-20 11:22:07,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 202.16666666666666) internal successors, (1213), 6 states have internal predecessors, (1213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:07,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 261.0) internal successors, (1827), 7 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:07,359 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 261.0) internal successors, (1827), 7 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:07,359 INFO L175 Difference]: Start difference. First operand has 199 places, 193 transitions, 402 flow. Second operand 6 states and 1213 transitions. [2022-11-20 11:22:07,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 200 transitions, 500 flow [2022-11-20 11:22:07,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 200 transitions, 493 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 11:22:07,363 INFO L231 Difference]: Finished difference. Result has 199 places, 192 transitions, 401 flow [2022-11-20 11:22:07,364 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=261, PETRI_DIFFERENCE_MINUEND_FLOW=393, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=401, PETRI_PLACES=199, PETRI_TRANSITIONS=192} [2022-11-20 11:22:07,365 INFO L288 CegarLoopForPetriNet]: 232 programPoint places, -33 predicate places. [2022-11-20 11:22:07,365 INFO L495 AbstractCegarLoop]: Abstraction has has 199 places, 192 transitions, 401 flow [2022-11-20 11:22:07,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 198.0) internal successors, (1188), 6 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:07,366 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:07,366 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] [2022-11-20 11:22:07,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 11:22:07,367 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-20 11:22:07,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:07,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1546092187, now seen corresponding path program 1 times [2022-11-20 11:22:07,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:07,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730284818] [2022-11-20 11:22:07,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:07,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:07,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:07,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:07,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730284818] [2022-11-20 11:22:07,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730284818] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:07,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:07,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:22:07,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20618852] [2022-11-20 11:22:07,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:07,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:22:07,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:07,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:22:07,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:22:07,868 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 261 [2022-11-20 11:22:07,869 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 192 transitions, 401 flow. Second operand has 6 states, 6 states have (on average 199.0) internal successors, (1194), 6 states have internal predecessors, (1194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:07,869 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:07,870 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 261 [2022-11-20 11:22:07,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:08,108 INFO L130 PetriNetUnfolder]: 145/478 cut-off events. [2022-11-20 11:22:08,108 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-20 11:22:08,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 755 conditions, 478 events. 145/478 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1841 event pairs, 100 based on Foata normal form. 0/447 useless extension candidates. Maximal degree in co-relation 713. Up to 226 conditions per place. [2022-11-20 11:22:08,112 INFO L137 encePairwiseOnDemand]: 256/261 looper letters, 33 selfloop transitions, 4 changer transitions 0/195 dead transitions. [2022-11-20 11:22:08,113 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 195 transitions, 481 flow [2022-11-20 11:22:08,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:22:08,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-20 11:22:08,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1208 transitions. [2022-11-20 11:22:08,116 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7713920817369093 [2022-11-20 11:22:08,116 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1208 transitions. [2022-11-20 11:22:08,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1208 transitions. [2022-11-20 11:22:08,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:08,117 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1208 transitions. [2022-11-20 11:22:08,120 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 201.33333333333334) internal successors, (1208), 6 states have internal predecessors, (1208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:08,123 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 261.0) internal successors, (1827), 7 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:08,124 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 261.0) internal successors, (1827), 7 states have internal predecessors, (1827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:08,124 INFO L175 Difference]: Start difference. First operand has 199 places, 192 transitions, 401 flow. Second operand 6 states and 1208 transitions. [2022-11-20 11:22:08,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 195 transitions, 481 flow [2022-11-20 11:22:08,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 195 transitions, 474 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 11:22:08,129 INFO L231 Difference]: Finished difference. Result has 199 places, 191 transitions, 400 flow [2022-11-20 11:22:08,129 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=261, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=400, PETRI_PLACES=199, PETRI_TRANSITIONS=191} [2022-11-20 11:22:08,130 INFO L288 CegarLoopForPetriNet]: 232 programPoint places, -33 predicate places. [2022-11-20 11:22:08,130 INFO L495 AbstractCegarLoop]: Abstraction has has 199 places, 191 transitions, 400 flow [2022-11-20 11:22:08,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 199.0) internal successors, (1194), 6 states have internal predecessors, (1194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:08,131 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:08,131 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] [2022-11-20 11:22:08,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 11:22:08,131 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-20 11:22:08,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:08,132 INFO L85 PathProgramCache]: Analyzing trace with hash 147129472, now seen corresponding path program 1 times [2022-11-20 11:22:08,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:08,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331208498] [2022-11-20 11:22:08,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:08,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:08,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:08,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:08,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331208498] [2022-11-20 11:22:08,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331208498] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:08,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:08,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:08,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805148309] [2022-11-20 11:22:08,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:08,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:08,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:08,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:08,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:08,199 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 261 [2022-11-20 11:22:08,200 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 191 transitions, 400 flow. Second operand has 3 states, 3 states have (on average 224.66666666666666) internal successors, (674), 3 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:08,200 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:08,200 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 261 [2022-11-20 11:22:08,200 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:08,284 INFO L130 PetriNetUnfolder]: 42/347 cut-off events. [2022-11-20 11:22:08,284 INFO L131 PetriNetUnfolder]: For 14/17 co-relation queries the response was YES. [2022-11-20 11:22:08,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 425 conditions, 347 events. 42/347 cut-off events. For 14/17 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 891 event pairs, 15 based on Foata normal form. 0/314 useless extension candidates. Maximal degree in co-relation 392. Up to 59 conditions per place. [2022-11-20 11:22:08,287 INFO L137 encePairwiseOnDemand]: 259/261 looper letters, 10 selfloop transitions, 1 changer transitions 0/190 dead transitions. [2022-11-20 11:22:08,287 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 190 transitions, 420 flow [2022-11-20 11:22:08,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:08,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:08,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 678 transitions. [2022-11-20 11:22:08,290 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8659003831417624 [2022-11-20 11:22:08,290 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 678 transitions. [2022-11-20 11:22:08,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 678 transitions. [2022-11-20 11:22:08,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:08,291 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 678 transitions. [2022-11-20 11:22:08,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 226.0) internal successors, (678), 3 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:08,294 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:08,295 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:08,295 INFO L175 Difference]: Start difference. First operand has 199 places, 191 transitions, 400 flow. Second operand 3 states and 678 transitions. [2022-11-20 11:22:08,295 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 190 transitions, 420 flow [2022-11-20 11:22:08,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 190 transitions, 413 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-20 11:22:08,300 INFO L231 Difference]: Finished difference. Result has 196 places, 190 transitions, 393 flow [2022-11-20 11:22:08,300 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=261, PETRI_DIFFERENCE_MINUEND_FLOW=391, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=393, PETRI_PLACES=196, PETRI_TRANSITIONS=190} [2022-11-20 11:22:08,301 INFO L288 CegarLoopForPetriNet]: 232 programPoint places, -36 predicate places. [2022-11-20 11:22:08,301 INFO L495 AbstractCegarLoop]: Abstraction has has 196 places, 190 transitions, 393 flow [2022-11-20 11:22:08,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 224.66666666666666) internal successors, (674), 3 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:08,302 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:08,302 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] [2022-11-20 11:22:08,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 11:22:08,303 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-20 11:22:08,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:08,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1668686698, now seen corresponding path program 1 times [2022-11-20 11:22:08,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:08,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308156253] [2022-11-20 11:22:08,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:08,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:08,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:08,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:08,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308156253] [2022-11-20 11:22:08,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308156253] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:08,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:08,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:08,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683247386] [2022-11-20 11:22:08,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:08,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:08,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:08,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:08,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:08,375 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 261 [2022-11-20 11:22:08,376 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 190 transitions, 393 flow. Second operand has 3 states, 3 states have (on average 221.66666666666666) internal successors, (665), 3 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:08,376 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:08,377 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 261 [2022-11-20 11:22:08,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:08,454 INFO L130 PetriNetUnfolder]: 42/345 cut-off events. [2022-11-20 11:22:08,454 INFO L131 PetriNetUnfolder]: For 14/17 co-relation queries the response was YES. [2022-11-20 11:22:08,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 422 conditions, 345 events. 42/345 cut-off events. For 14/17 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 889 event pairs, 15 based on Foata normal form. 1/314 useless extension candidates. Maximal degree in co-relation 403. Up to 59 conditions per place. [2022-11-20 11:22:08,457 INFO L137 encePairwiseOnDemand]: 258/261 looper letters, 10 selfloop transitions, 1 changer transitions 2/188 dead transitions. [2022-11-20 11:22:08,457 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 188 transitions, 413 flow [2022-11-20 11:22:08,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:08,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:08,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 671 transitions. [2022-11-20 11:22:08,459 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8569604086845466 [2022-11-20 11:22:08,459 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 671 transitions. [2022-11-20 11:22:08,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 671 transitions. [2022-11-20 11:22:08,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:08,460 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 671 transitions. [2022-11-20 11:22:08,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 223.66666666666666) internal successors, (671), 3 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:08,464 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:08,464 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:08,464 INFO L175 Difference]: Start difference. First operand has 196 places, 190 transitions, 393 flow. Second operand 3 states and 671 transitions. [2022-11-20 11:22:08,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 188 transitions, 413 flow [2022-11-20 11:22:08,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 188 transitions, 412 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:22:08,492 INFO L231 Difference]: Finished difference. Result has 195 places, 186 transitions, 386 flow [2022-11-20 11:22:08,493 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=261, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=193, 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=386, PETRI_PLACES=195, PETRI_TRANSITIONS=186} [2022-11-20 11:22:08,493 INFO L288 CegarLoopForPetriNet]: 232 programPoint places, -37 predicate places. [2022-11-20 11:22:08,493 INFO L495 AbstractCegarLoop]: Abstraction has has 195 places, 186 transitions, 386 flow [2022-11-20 11:22:08,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 221.66666666666666) internal successors, (665), 3 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:08,494 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 11:22:08,494 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] [2022-11-20 11:22:08,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 11:22:08,495 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2022-11-20 11:22:08,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:22:08,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1585136725, now seen corresponding path program 1 times [2022-11-20 11:22:08,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:22:08,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627888934] [2022-11-20 11:22:08,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:22:08,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:22:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:22:08,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:22:08,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:22:08,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627888934] [2022-11-20 11:22:08,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627888934] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:22:08,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:22:08,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:22:08,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915039466] [2022-11-20 11:22:08,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:22:08,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:22:08,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:22:08,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:22:08,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:22:08,563 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 261 [2022-11-20 11:22:08,563 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 186 transitions, 386 flow. Second operand has 3 states, 3 states have (on average 221.66666666666666) internal successors, (665), 3 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:08,564 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-20 11:22:08,564 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 261 [2022-11-20 11:22:08,564 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-20 11:22:08,640 INFO L130 PetriNetUnfolder]: 42/341 cut-off events. [2022-11-20 11:22:08,640 INFO L131 PetriNetUnfolder]: For 14/17 co-relation queries the response was YES. [2022-11-20 11:22:08,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 419 conditions, 341 events. 42/341 cut-off events. For 14/17 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 882 event pairs, 15 based on Foata normal form. 1/312 useless extension candidates. Maximal degree in co-relation 406. Up to 59 conditions per place. [2022-11-20 11:22:08,642 INFO L137 encePairwiseOnDemand]: 258/261 looper letters, 0 selfloop transitions, 0 changer transitions 184/184 dead transitions. [2022-11-20 11:22:08,642 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 184 transitions, 406 flow [2022-11-20 11:22:08,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:22:08,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-20 11:22:08,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 671 transitions. [2022-11-20 11:22:08,644 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8569604086845466 [2022-11-20 11:22:08,644 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 671 transitions. [2022-11-20 11:22:08,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 671 transitions. [2022-11-20 11:22:08,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 11:22:08,645 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 671 transitions. [2022-11-20 11:22:08,647 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 223.66666666666666) internal successors, (671), 3 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:08,648 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:08,649 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 261.0) internal successors, (1044), 4 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:08,649 INFO L175 Difference]: Start difference. First operand has 195 places, 186 transitions, 386 flow. Second operand 3 states and 671 transitions. [2022-11-20 11:22:08,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 184 transitions, 406 flow [2022-11-20 11:22:08,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 184 transitions, 405 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-20 11:22:08,652 INFO L231 Difference]: Finished difference. Result has 192 places, 0 transitions, 0 flow [2022-11-20 11:22:08,652 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=261, PETRI_DIFFERENCE_MINUEND_FLOW=381, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=192, PETRI_TRANSITIONS=0} [2022-11-20 11:22:08,653 INFO L288 CegarLoopForPetriNet]: 232 programPoint places, -40 predicate places. [2022-11-20 11:22:08,653 INFO L495 AbstractCegarLoop]: Abstraction has has 192 places, 0 transitions, 0 flow [2022-11-20 11:22:08,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 221.66666666666666) internal successors, (665), 3 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:22:08,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (62 of 63 remaining) [2022-11-20 11:22:08,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (61 of 63 remaining) [2022-11-20 11:22:08,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (60 of 63 remaining) [2022-11-20 11:22:08,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (59 of 63 remaining) [2022-11-20 11:22:08,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (58 of 63 remaining) [2022-11-20 11:22:08,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (57 of 63 remaining) [2022-11-20 11:22:08,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (56 of 63 remaining) [2022-11-20 11:22:08,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (55 of 63 remaining) [2022-11-20 11:22:08,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (54 of 63 remaining) [2022-11-20 11:22:08,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (53 of 63 remaining) [2022-11-20 11:22:08,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (52 of 63 remaining) [2022-11-20 11:22:08,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (51 of 63 remaining) [2022-11-20 11:22:08,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (50 of 63 remaining) [2022-11-20 11:22:08,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (49 of 63 remaining) [2022-11-20 11:22:08,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (48 of 63 remaining) [2022-11-20 11:22:08,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (47 of 63 remaining) [2022-11-20 11:22:08,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (46 of 63 remaining) [2022-11-20 11:22:08,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (45 of 63 remaining) [2022-11-20 11:22:08,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (44 of 63 remaining) [2022-11-20 11:22:08,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (43 of 63 remaining) [2022-11-20 11:22:08,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (42 of 63 remaining) [2022-11-20 11:22:08,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (41 of 63 remaining) [2022-11-20 11:22:08,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (40 of 63 remaining) [2022-11-20 11:22:08,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (39 of 63 remaining) [2022-11-20 11:22:08,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (38 of 63 remaining) [2022-11-20 11:22:08,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (37 of 63 remaining) [2022-11-20 11:22:08,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (36 of 63 remaining) [2022-11-20 11:22:08,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (35 of 63 remaining) [2022-11-20 11:22:08,663 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (34 of 63 remaining) [2022-11-20 11:22:08,663 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (33 of 63 remaining) [2022-11-20 11:22:08,663 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (32 of 63 remaining) [2022-11-20 11:22:08,663 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (31 of 63 remaining) [2022-11-20 11:22:08,663 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (30 of 63 remaining) [2022-11-20 11:22:08,664 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (29 of 63 remaining) [2022-11-20 11:22:08,664 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (28 of 63 remaining) [2022-11-20 11:22:08,664 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (27 of 63 remaining) [2022-11-20 11:22:08,664 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (26 of 63 remaining) [2022-11-20 11:22:08,664 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (25 of 63 remaining) [2022-11-20 11:22:08,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 63 remaining) [2022-11-20 11:22:08,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 63 remaining) [2022-11-20 11:22:08,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 63 remaining) [2022-11-20 11:22:08,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 63 remaining) [2022-11-20 11:22:08,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 63 remaining) [2022-11-20 11:22:08,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 63 remaining) [2022-11-20 11:22:08,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 63 remaining) [2022-11-20 11:22:08,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 63 remaining) [2022-11-20 11:22:08,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 63 remaining) [2022-11-20 11:22:08,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 63 remaining) [2022-11-20 11:22:08,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 63 remaining) [2022-11-20 11:22:08,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 63 remaining) [2022-11-20 11:22:08,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 63 remaining) [2022-11-20 11:22:08,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 63 remaining) [2022-11-20 11:22:08,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 63 remaining) [2022-11-20 11:22:08,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 63 remaining) [2022-11-20 11:22:08,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 63 remaining) [2022-11-20 11:22:08,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 63 remaining) [2022-11-20 11:22:08,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 63 remaining) [2022-11-20 11:22:08,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 63 remaining) [2022-11-20 11:22:08,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 63 remaining) [2022-11-20 11:22:08,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 63 remaining) [2022-11-20 11:22:08,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 63 remaining) [2022-11-20 11:22:08,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 63 remaining) [2022-11-20 11:22:08,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 63 remaining) [2022-11-20 11:22:08,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 11:22:08,670 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:22:08,676 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 11:22:08,676 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:22:08,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:22:08 BasicIcfg [2022-11-20 11:22:08,681 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:22:08,681 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:22:08,682 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:22:08,682 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:22:08,682 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:22:02" (3/4) ... [2022-11-20 11:22:08,685 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 11:22:08,690 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-20 11:22:08,690 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-20 11:22:08,690 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-20 11:22:08,695 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-20 11:22:08,696 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 11:22:08,696 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 11:22:08,696 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 11:22:08,735 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501c9b1c-c93b-40fd-a025-ef480c688fff/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 11:22:08,736 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:22:08,736 INFO L158 Benchmark]: Toolchain (without parser) took 7785.30ms. Allocated memory was 176.2MB in the beginning and 216.0MB in the end (delta: 39.8MB). Free memory was 132.2MB in the beginning and 126.1MB in the end (delta: 6.1MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2022-11-20 11:22:08,736 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:22:08,737 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.75ms. Allocated memory is still 176.2MB. Free memory was 132.2MB in the beginning and 119.4MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 11:22:08,737 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.94ms. Allocated memory is still 176.2MB. Free memory was 119.4MB in the beginning and 117.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:22:08,737 INFO L158 Benchmark]: Boogie Preprocessor took 50.03ms. Allocated memory is still 176.2MB. Free memory was 117.5MB in the beginning and 115.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:22:08,738 INFO L158 Benchmark]: RCFGBuilder took 1113.58ms. Allocated memory is still 176.2MB. Free memory was 115.0MB in the beginning and 119.2MB in the end (delta: -4.2MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. [2022-11-20 11:22:08,738 INFO L158 Benchmark]: TraceAbstraction took 6090.70ms. Allocated memory was 176.2MB in the beginning and 216.0MB in the end (delta: 39.8MB). Free memory was 119.2MB in the beginning and 130.3MB in the end (delta: -11.1MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2022-11-20 11:22:08,738 INFO L158 Benchmark]: Witness Printer took 54.25ms. Allocated memory is still 216.0MB. Free memory was 130.3MB in the beginning and 126.1MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:22:08,740 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 389.75ms. Allocated memory is still 176.2MB. Free memory was 132.2MB in the beginning and 119.4MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.94ms. Allocated memory is still 176.2MB. Free memory was 119.4MB in the beginning and 117.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.03ms. Allocated memory is still 176.2MB. Free memory was 117.5MB in the beginning and 115.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1113.58ms. Allocated memory is still 176.2MB. Free memory was 115.0MB in the beginning and 119.2MB in the end (delta: -4.2MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6090.70ms. Allocated memory was 176.2MB in the beginning and 216.0MB in the end (delta: 39.8MB). Free memory was 119.2MB in the beginning and 130.3MB in the end (delta: -11.1MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * Witness Printer took 54.25ms. Allocated memory is still 216.0MB. Free memory was 130.3MB in the beginning and 126.1MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: 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: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 308 locations, 63 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: 5.9s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 81 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 81 mSDsluCounter, 128 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 102 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 428 IncrementalHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 102 mSolverCounterUnsat, 128 mSDtfsCounter, 428 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=486occurred in iteration=0, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1085 NumberOfCodeBlocks, 1085 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1073 ConstructedInterpolants, 0 QuantifiedInterpolants, 1447 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 38 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-20 11:22:08,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_501c9b1c-c93b-40fd-a025-ef480c688fff/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE