./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2fb39-de17-4610-af7a-9072e02db893/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2fb39-de17-4610-af7a-9072e02db893/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2fb39-de17-4610-af7a-9072e02db893/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2fb39-de17-4610-af7a-9072e02db893/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2fb39-de17-4610-af7a-9072e02db893/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2fb39-de17-4610-af7a-9072e02db893/bin/uautomizer-TMbwUNV5ro --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 44a86740b4b3d791346dd5ab0675f134d34312247f7633c0f06bf117457d4ce2 --- 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-8393723 [2022-11-18 18:43:16,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:43:16,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:43:16,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:43:16,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:43:16,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:43:16,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:43:16,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:43:16,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:43:16,317 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:43:16,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:43:16,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:43:16,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:43:16,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:43:16,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:43:16,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:43:16,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:43:16,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:43:16,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:43:16,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:43:16,350 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:43:16,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:43:16,355 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:43:16,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:43:16,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:43:16,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:43:16,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:43:16,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:43:16,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:43:16,367 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:43:16,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:43:16,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:43:16,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:43:16,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:43:16,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:43:16,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:43:16,376 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:43:16,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:43:16,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:43:16,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:43:16,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:43:16,380 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2fb39-de17-4610-af7a-9072e02db893/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 18:43:16,410 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:43:16,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:43:16,414 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:43:16,415 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:43:16,416 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:43:16,416 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:43:16,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:43:16,417 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:43:16,417 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:43:16,418 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:43:16,419 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 18:43:16,419 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 18:43:16,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:43:16,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 18:43:16,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:43:16,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:43:16,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:43:16,421 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:43:16,421 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 18:43:16,421 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 18:43:16,421 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:43:16,422 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:43:16,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:43:16,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:43:16,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:43:16,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:43:16,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:43:16,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:43:16,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:43:16,424 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:43:16,424 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:43:16,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:43:16,425 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:43:16,425 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:43:16,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:43:16,426 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_20f2fb39-de17-4610-af7a-9072e02db893/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2fb39-de17-4610-af7a-9072e02db893/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44a86740b4b3d791346dd5ab0675f134d34312247f7633c0f06bf117457d4ce2 [2022-11-18 18:43:16,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:43:16,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:43:16,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:43:16,771 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:43:16,772 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:43:16,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2fb39-de17-4610-af7a-9072e02db893/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c [2022-11-18 18:43:16,862 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2fb39-de17-4610-af7a-9072e02db893/bin/uautomizer-TMbwUNV5ro/data/74f9a78a8/007c44514edf41da871bac1a796a0170/FLAG36571bf62 [2022-11-18 18:43:17,354 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:43:17,355 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2fb39-de17-4610-af7a-9072e02db893/sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c [2022-11-18 18:43:17,364 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2fb39-de17-4610-af7a-9072e02db893/bin/uautomizer-TMbwUNV5ro/data/74f9a78a8/007c44514edf41da871bac1a796a0170/FLAG36571bf62 [2022-11-18 18:43:17,751 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2fb39-de17-4610-af7a-9072e02db893/bin/uautomizer-TMbwUNV5ro/data/74f9a78a8/007c44514edf41da871bac1a796a0170 [2022-11-18 18:43:17,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:43:17,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:43:17,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:43:17,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:43:17,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:43:17,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:43:17" (1/1) ... [2022-11-18 18:43:17,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51e11ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:17, skipping insertion in model container [2022-11-18 18:43:17,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:43:17" (1/1) ... [2022-11-18 18:43:17,778 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:43:17,808 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:43:18,105 WARN L234 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_20f2fb39-de17-4610-af7a-9072e02db893/sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c[3481,3494] [2022-11-18 18:43:18,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:43:18,120 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:43:18,199 WARN L234 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_20f2fb39-de17-4610-af7a-9072e02db893/sv-benchmarks/c/weaver/chl-collitem-trans.wvr.c[3481,3494] [2022-11-18 18:43:18,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:43:18,226 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:43:18,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:18 WrapperNode [2022-11-18 18:43:18,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:43:18,228 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:43:18,228 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:43:18,228 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:43:18,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:18" (1/1) ... [2022-11-18 18:43:18,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:18" (1/1) ... [2022-11-18 18:43:18,309 INFO L138 Inliner]: procedures = 23, calls = 45, calls flagged for inlining = 17, calls inlined = 39, statements flattened = 558 [2022-11-18 18:43:18,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:43:18,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:43:18,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:43:18,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:43:18,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:18" (1/1) ... [2022-11-18 18:43:18,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:18" (1/1) ... [2022-11-18 18:43:18,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:18" (1/1) ... [2022-11-18 18:43:18,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:18" (1/1) ... [2022-11-18 18:43:18,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:18" (1/1) ... [2022-11-18 18:43:18,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:18" (1/1) ... [2022-11-18 18:43:18,383 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:18" (1/1) ... [2022-11-18 18:43:18,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:18" (1/1) ... [2022-11-18 18:43:18,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:43:18,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:43:18,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:43:18,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:43:18,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:18" (1/1) ... [2022-11-18 18:43:18,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:43:18,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2fb39-de17-4610-af7a-9072e02db893/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:43:18,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2fb39-de17-4610-af7a-9072e02db893/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:43:18,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2fb39-de17-4610-af7a-9072e02db893/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:43:18,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:43:18,509 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-18 18:43:18,509 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-18 18:43:18,509 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-18 18:43:18,509 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-18 18:43:18,511 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-18 18:43:18,512 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-18 18:43:18,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 18:43:18,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 18:43:18,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 18:43:18,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-18 18:43:18,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-18 18:43:18,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:43:18,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:43:18,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 18:43:18,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 18:43:18,516 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 18:43:18,772 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:43:18,774 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:43:19,784 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:43:21,004 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:43:21,005 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 18:43:21,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:43:21 BoogieIcfgContainer [2022-11-18 18:43:21,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:43:21,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:43:21,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:43:21,016 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:43:21,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:43:17" (1/3) ... [2022-11-18 18:43:21,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d59b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:43:21, skipping insertion in model container [2022-11-18 18:43:21,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:43:18" (2/3) ... [2022-11-18 18:43:21,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d59b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:43:21, skipping insertion in model container [2022-11-18 18:43:21,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:43:21" (3/3) ... [2022-11-18 18:43:21,022 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-collitem-trans.wvr.c [2022-11-18 18:43:21,033 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 18:43:21,044 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:43:21,045 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 72 error locations. [2022-11-18 18:43:21,045 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 18:43:21,345 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-18 18:43:21,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 282 places, 275 transitions, 574 flow [2022-11-18 18:43:21,603 INFO L130 PetriNetUnfolder]: 3/272 cut-off events. [2022-11-18 18:43:21,604 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-18 18:43:21,609 INFO L83 FinitePrefix]: Finished finitePrefix Result has 285 conditions, 272 events. 3/272 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 386 event pairs, 0 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 101. Up to 2 conditions per place. [2022-11-18 18:43:21,609 INFO L82 GeneralOperation]: Start removeDead. Operand has 282 places, 275 transitions, 574 flow [2022-11-18 18:43:21,617 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 257 places, 248 transitions, 514 flow [2022-11-18 18:43:21,628 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:43:21,636 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;@7de7e707, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:43:21,636 INFO L358 AbstractCegarLoop]: Starting to check reachability of 129 error locations. [2022-11-18 18:43:21,643 INFO L130 PetriNetUnfolder]: 0/34 cut-off events. [2022-11-18 18:43:21,644 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 18:43:21,644 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:43:21,645 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] [2022-11-18 18:43:21,645 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-18 18:43:21,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:21,651 INFO L85 PathProgramCache]: Analyzing trace with hash 64774575, now seen corresponding path program 1 times [2022-11-18 18:43:21,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:21,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888478586] [2022-11-18 18:43:21,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:21,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:21,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:43:21,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:21,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888478586] [2022-11-18 18:43:21,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888478586] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:21,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:21,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:43:21,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845767147] [2022-11-18 18:43:21,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:21,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:43:21,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:22,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:43:22,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:43:22,016 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 275 [2022-11-18 18:43:22,031 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 248 transitions, 514 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:22,031 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:43:22,031 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 275 [2022-11-18 18:43:22,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:43:22,330 INFO L130 PetriNetUnfolder]: 16/244 cut-off events. [2022-11-18 18:43:22,330 INFO L131 PetriNetUnfolder]: For 34/41 co-relation queries the response was YES. [2022-11-18 18:43:22,332 INFO L83 FinitePrefix]: Finished finitePrefix Result has 311 conditions, 244 events. 16/244 cut-off events. For 34/41 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 235 event pairs, 15 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 173. Up to 40 conditions per place. [2022-11-18 18:43:22,333 INFO L137 encePairwiseOnDemand]: 218/275 looper letters, 12 selfloop transitions, 2 changer transitions 0/193 dead transitions. [2022-11-18 18:43:22,334 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 193 transitions, 432 flow [2022-11-18 18:43:22,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:43:22,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:43:22,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 681 transitions. [2022-11-18 18:43:22,351 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8254545454545454 [2022-11-18 18:43:22,352 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 681 transitions. [2022-11-18 18:43:22,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 681 transitions. [2022-11-18 18:43:22,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:43:22,358 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 681 transitions. [2022-11-18 18:43:22,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 227.0) internal successors, (681), 3 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:22,375 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:22,376 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:22,378 INFO L175 Difference]: Start difference. First operand has 257 places, 248 transitions, 514 flow. Second operand 3 states and 681 transitions. [2022-11-18 18:43:22,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 193 transitions, 432 flow [2022-11-18 18:43:22,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 193 transitions, 420 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-18 18:43:22,388 INFO L231 Difference]: Finished difference. Result has 198 places, 193 transitions, 396 flow [2022-11-18 18:43:22,390 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=396, PETRI_PLACES=198, PETRI_TRANSITIONS=193} [2022-11-18 18:43:22,394 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -59 predicate places. [2022-11-18 18:43:22,394 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 193 transitions, 396 flow [2022-11-18 18:43:22,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:22,395 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:43:22,396 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] [2022-11-18 18:43:22,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 18:43:22,396 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-18 18:43:22,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:22,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1743255454, now seen corresponding path program 1 times [2022-11-18 18:43:22,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:22,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168528500] [2022-11-18 18:43:22,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:22,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:22,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:43:22,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:22,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168528500] [2022-11-18 18:43:22,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168528500] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:22,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:22,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:43:22,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631026992] [2022-11-18 18:43:22,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:22,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:43:22,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:22,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:43:22,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:43:22,472 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 275 [2022-11-18 18:43:22,473 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 193 transitions, 396 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:22,473 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:43:22,473 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 275 [2022-11-18 18:43:22,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:43:22,601 INFO L130 PetriNetUnfolder]: 16/243 cut-off events. [2022-11-18 18:43:22,602 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 18:43:22,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 296 conditions, 243 events. 16/243 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 235 event pairs, 15 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 253. Up to 40 conditions per place. [2022-11-18 18:43:22,606 INFO L137 encePairwiseOnDemand]: 272/275 looper letters, 12 selfloop transitions, 2 changer transitions 0/192 dead transitions. [2022-11-18 18:43:22,606 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 192 transitions, 422 flow [2022-11-18 18:43:22,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:43:22,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:43:22,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 627 transitions. [2022-11-18 18:43:22,612 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.76 [2022-11-18 18:43:22,613 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 627 transitions. [2022-11-18 18:43:22,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 627 transitions. [2022-11-18 18:43:22,614 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:43:22,614 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 627 transitions. [2022-11-18 18:43:22,616 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:22,619 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:22,619 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:22,620 INFO L175 Difference]: Start difference. First operand has 198 places, 193 transitions, 396 flow. Second operand 3 states and 627 transitions. [2022-11-18 18:43:22,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 192 transitions, 422 flow [2022-11-18 18:43:22,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 192 transitions, 418 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:43:22,631 INFO L231 Difference]: Finished difference. Result has 197 places, 192 transitions, 394 flow [2022-11-18 18:43:22,632 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=394, PETRI_PLACES=197, PETRI_TRANSITIONS=192} [2022-11-18 18:43:22,632 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -60 predicate places. [2022-11-18 18:43:22,633 INFO L495 AbstractCegarLoop]: Abstraction has has 197 places, 192 transitions, 394 flow [2022-11-18 18:43:22,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:22,634 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:43:22,635 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:43:22,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 18:43:22,635 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-18 18:43:22,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:22,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1850007517, now seen corresponding path program 1 times [2022-11-18 18:43:22,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:22,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270484191] [2022-11-18 18:43:22,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:22,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:22,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:43:22,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:22,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270484191] [2022-11-18 18:43:22,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270484191] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:22,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:22,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:43:22,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80977487] [2022-11-18 18:43:22,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:22,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:43:22,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:22,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:43:22,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:43:22,767 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 275 [2022-11-18 18:43:22,768 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 192 transitions, 394 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:22,768 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:43:22,768 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 275 [2022-11-18 18:43:22,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:43:22,935 INFO L130 PetriNetUnfolder]: 16/242 cut-off events. [2022-11-18 18:43:22,936 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 18:43:22,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 295 conditions, 242 events. 16/242 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 234 event pairs, 15 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 245. Up to 40 conditions per place. [2022-11-18 18:43:22,938 INFO L137 encePairwiseOnDemand]: 272/275 looper letters, 12 selfloop transitions, 2 changer transitions 0/191 dead transitions. [2022-11-18 18:43:22,938 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 191 transitions, 420 flow [2022-11-18 18:43:22,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:43:22,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:43:22,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 627 transitions. [2022-11-18 18:43:22,943 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.76 [2022-11-18 18:43:22,943 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 627 transitions. [2022-11-18 18:43:22,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 627 transitions. [2022-11-18 18:43:22,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:43:22,944 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 627 transitions. [2022-11-18 18:43:22,946 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:22,949 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:22,950 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:22,950 INFO L175 Difference]: Start difference. First operand has 197 places, 192 transitions, 394 flow. Second operand 3 states and 627 transitions. [2022-11-18 18:43:22,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 191 transitions, 420 flow [2022-11-18 18:43:22,952 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 191 transitions, 416 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:43:22,955 INFO L231 Difference]: Finished difference. Result has 196 places, 191 transitions, 392 flow [2022-11-18 18:43:22,956 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=392, PETRI_PLACES=196, PETRI_TRANSITIONS=191} [2022-11-18 18:43:22,959 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -61 predicate places. [2022-11-18 18:43:22,959 INFO L495 AbstractCegarLoop]: Abstraction has has 196 places, 191 transitions, 392 flow [2022-11-18 18:43:22,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:22,960 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:43:22,960 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] [2022-11-18 18:43:22,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 18:43:22,961 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-18 18:43:22,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:22,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1097061295, now seen corresponding path program 1 times [2022-11-18 18:43:22,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:22,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229923927] [2022-11-18 18:43:22,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:22,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:22,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:23,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:43:23,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:23,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229923927] [2022-11-18 18:43:23,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229923927] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:23,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:23,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:43:23,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996869166] [2022-11-18 18:43:23,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:23,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:43:23,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:23,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:43:23,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:43:23,064 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 275 [2022-11-18 18:43:23,065 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 191 transitions, 392 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:23,066 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:43:23,066 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 275 [2022-11-18 18:43:23,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:43:23,210 INFO L130 PetriNetUnfolder]: 16/241 cut-off events. [2022-11-18 18:43:23,211 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 18:43:23,214 INFO L83 FinitePrefix]: Finished finitePrefix Result has 294 conditions, 241 events. 16/241 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 236 event pairs, 15 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 237. Up to 40 conditions per place. [2022-11-18 18:43:23,217 INFO L137 encePairwiseOnDemand]: 272/275 looper letters, 12 selfloop transitions, 2 changer transitions 0/190 dead transitions. [2022-11-18 18:43:23,218 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 190 transitions, 418 flow [2022-11-18 18:43:23,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:43:23,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:43:23,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 627 transitions. [2022-11-18 18:43:23,222 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.76 [2022-11-18 18:43:23,223 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 627 transitions. [2022-11-18 18:43:23,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 627 transitions. [2022-11-18 18:43:23,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:43:23,228 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 627 transitions. [2022-11-18 18:43:23,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:23,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:23,233 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:23,234 INFO L175 Difference]: Start difference. First operand has 196 places, 191 transitions, 392 flow. Second operand 3 states and 627 transitions. [2022-11-18 18:43:23,234 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 190 transitions, 418 flow [2022-11-18 18:43:23,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 190 transitions, 414 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:43:23,239 INFO L231 Difference]: Finished difference. Result has 195 places, 190 transitions, 390 flow [2022-11-18 18:43:23,240 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=386, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=390, PETRI_PLACES=195, PETRI_TRANSITIONS=190} [2022-11-18 18:43:23,240 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -62 predicate places. [2022-11-18 18:43:23,241 INFO L495 AbstractCegarLoop]: Abstraction has has 195 places, 190 transitions, 390 flow [2022-11-18 18:43:23,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:23,242 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:43:23,242 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] [2022-11-18 18:43:23,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 18:43:23,242 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-18 18:43:23,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:23,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1866132514, now seen corresponding path program 1 times [2022-11-18 18:43:23,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:23,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726594507] [2022-11-18 18:43:23,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:23,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:23,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:43:23,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:23,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726594507] [2022-11-18 18:43:23,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726594507] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:23,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:23,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:43:23,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811310294] [2022-11-18 18:43:23,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:23,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:43:23,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:23,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:43:23,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:43:23,359 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 275 [2022-11-18 18:43:23,360 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 190 transitions, 390 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:23,361 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:43:23,361 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 275 [2022-11-18 18:43:23,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:43:23,510 INFO L130 PetriNetUnfolder]: 16/240 cut-off events. [2022-11-18 18:43:23,510 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 18:43:23,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 293 conditions, 240 events. 16/240 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 234 event pairs, 15 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 229. Up to 40 conditions per place. [2022-11-18 18:43:23,512 INFO L137 encePairwiseOnDemand]: 272/275 looper letters, 12 selfloop transitions, 2 changer transitions 0/189 dead transitions. [2022-11-18 18:43:23,512 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 189 transitions, 416 flow [2022-11-18 18:43:23,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:43:23,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:43:23,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 627 transitions. [2022-11-18 18:43:23,515 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.76 [2022-11-18 18:43:23,515 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 627 transitions. [2022-11-18 18:43:23,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 627 transitions. [2022-11-18 18:43:23,516 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:43:23,516 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 627 transitions. [2022-11-18 18:43:23,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:23,520 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:23,521 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:23,521 INFO L175 Difference]: Start difference. First operand has 195 places, 190 transitions, 390 flow. Second operand 3 states and 627 transitions. [2022-11-18 18:43:23,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 189 transitions, 416 flow [2022-11-18 18:43:23,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 189 transitions, 412 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:43:23,526 INFO L231 Difference]: Finished difference. Result has 194 places, 189 transitions, 388 flow [2022-11-18 18:43:23,527 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=388, PETRI_PLACES=194, PETRI_TRANSITIONS=189} [2022-11-18 18:43:23,529 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -63 predicate places. [2022-11-18 18:43:23,530 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 189 transitions, 388 flow [2022-11-18 18:43:23,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:23,531 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:43:23,531 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] [2022-11-18 18:43:23,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 18:43:23,532 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-18 18:43:23,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:23,533 INFO L85 PathProgramCache]: Analyzing trace with hash 857928664, now seen corresponding path program 1 times [2022-11-18 18:43:23,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:23,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873896128] [2022-11-18 18:43:23,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:23,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:23,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:43:23,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:23,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873896128] [2022-11-18 18:43:23,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873896128] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:23,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:23,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:43:23,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304751295] [2022-11-18 18:43:23,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:23,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:43:23,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:23,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:43:23,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:43:23,588 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 275 [2022-11-18 18:43:23,590 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 189 transitions, 388 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:23,590 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:43:23,590 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 275 [2022-11-18 18:43:23,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:43:23,699 INFO L130 PetriNetUnfolder]: 16/239 cut-off events. [2022-11-18 18:43:23,699 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 18:43:23,700 INFO L83 FinitePrefix]: Finished finitePrefix Result has 292 conditions, 239 events. 16/239 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 233 event pairs, 15 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 221. Up to 40 conditions per place. [2022-11-18 18:43:23,700 INFO L137 encePairwiseOnDemand]: 272/275 looper letters, 12 selfloop transitions, 2 changer transitions 0/188 dead transitions. [2022-11-18 18:43:23,701 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 188 transitions, 414 flow [2022-11-18 18:43:23,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:43:23,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:43:23,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 627 transitions. [2022-11-18 18:43:23,703 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.76 [2022-11-18 18:43:23,704 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 627 transitions. [2022-11-18 18:43:23,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 627 transitions. [2022-11-18 18:43:23,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:43:23,704 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 627 transitions. [2022-11-18 18:43:23,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:23,708 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:23,709 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:23,709 INFO L175 Difference]: Start difference. First operand has 194 places, 189 transitions, 388 flow. Second operand 3 states and 627 transitions. [2022-11-18 18:43:23,710 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 188 transitions, 414 flow [2022-11-18 18:43:23,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 188 transitions, 410 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:43:23,714 INFO L231 Difference]: Finished difference. Result has 193 places, 188 transitions, 386 flow [2022-11-18 18:43:23,714 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=386, PETRI_PLACES=193, PETRI_TRANSITIONS=188} [2022-11-18 18:43:23,715 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -64 predicate places. [2022-11-18 18:43:23,715 INFO L495 AbstractCegarLoop]: Abstraction has has 193 places, 188 transitions, 386 flow [2022-11-18 18:43:23,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:23,716 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:43:23,716 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] [2022-11-18 18:43:23,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 18:43:23,717 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-18 18:43:23,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:23,718 INFO L85 PathProgramCache]: Analyzing trace with hash 624269187, now seen corresponding path program 1 times [2022-11-18 18:43:23,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:23,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728280150] [2022-11-18 18:43:23,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:23,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:23,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:43:23,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:23,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728280150] [2022-11-18 18:43:23,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728280150] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:23,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:23,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:43:23,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387419933] [2022-11-18 18:43:23,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:23,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:43:23,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:23,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:43:23,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:43:23,768 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 275 [2022-11-18 18:43:23,769 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 188 transitions, 386 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:23,770 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:43:23,770 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 275 [2022-11-18 18:43:23,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:43:23,874 INFO L130 PetriNetUnfolder]: 16/238 cut-off events. [2022-11-18 18:43:23,874 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 18:43:23,875 INFO L83 FinitePrefix]: Finished finitePrefix Result has 291 conditions, 238 events. 16/238 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 230 event pairs, 15 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 213. Up to 40 conditions per place. [2022-11-18 18:43:23,875 INFO L137 encePairwiseOnDemand]: 272/275 looper letters, 12 selfloop transitions, 2 changer transitions 0/187 dead transitions. [2022-11-18 18:43:23,876 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 187 transitions, 412 flow [2022-11-18 18:43:23,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:43:23,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:43:23,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 627 transitions. [2022-11-18 18:43:23,878 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.76 [2022-11-18 18:43:23,879 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 627 transitions. [2022-11-18 18:43:23,879 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 627 transitions. [2022-11-18 18:43:23,879 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:43:23,879 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 627 transitions. [2022-11-18 18:43:23,882 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:23,884 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:23,884 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:23,884 INFO L175 Difference]: Start difference. First operand has 193 places, 188 transitions, 386 flow. Second operand 3 states and 627 transitions. [2022-11-18 18:43:23,885 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 187 transitions, 412 flow [2022-11-18 18:43:23,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 187 transitions, 408 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:43:23,888 INFO L231 Difference]: Finished difference. Result has 192 places, 187 transitions, 384 flow [2022-11-18 18:43:23,889 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=384, PETRI_PLACES=192, PETRI_TRANSITIONS=187} [2022-11-18 18:43:23,890 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -65 predicate places. [2022-11-18 18:43:23,890 INFO L495 AbstractCegarLoop]: Abstraction has has 192 places, 187 transitions, 384 flow [2022-11-18 18:43:23,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:23,891 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:43:23,891 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] [2022-11-18 18:43:23,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 18:43:23,891 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-18 18:43:23,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:23,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1234529450, now seen corresponding path program 1 times [2022-11-18 18:43:23,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:23,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702620358] [2022-11-18 18:43:23,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:23,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:23,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:23,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:43:23,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:23,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702620358] [2022-11-18 18:43:23,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702620358] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:23,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:23,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:43:23,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312693119] [2022-11-18 18:43:23,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:23,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:43:23,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:23,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:43:23,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:43:23,986 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 275 [2022-11-18 18:43:23,987 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 187 transitions, 384 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:23,987 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:43:23,987 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 275 [2022-11-18 18:43:23,988 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:43:24,107 INFO L130 PetriNetUnfolder]: 16/237 cut-off events. [2022-11-18 18:43:24,108 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 18:43:24,108 INFO L83 FinitePrefix]: Finished finitePrefix Result has 290 conditions, 237 events. 16/237 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 229 event pairs, 15 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 205. Up to 40 conditions per place. [2022-11-18 18:43:24,109 INFO L137 encePairwiseOnDemand]: 272/275 looper letters, 12 selfloop transitions, 2 changer transitions 0/186 dead transitions. [2022-11-18 18:43:24,110 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 186 transitions, 410 flow [2022-11-18 18:43:24,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:43:24,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:43:24,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 627 transitions. [2022-11-18 18:43:24,112 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.76 [2022-11-18 18:43:24,112 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 627 transitions. [2022-11-18 18:43:24,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 627 transitions. [2022-11-18 18:43:24,113 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:43:24,113 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 627 transitions. [2022-11-18 18:43:24,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:24,117 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:24,139 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:24,140 INFO L175 Difference]: Start difference. First operand has 192 places, 187 transitions, 384 flow. Second operand 3 states and 627 transitions. [2022-11-18 18:43:24,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 186 transitions, 410 flow [2022-11-18 18:43:24,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 186 transitions, 406 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:43:24,144 INFO L231 Difference]: Finished difference. Result has 191 places, 186 transitions, 382 flow [2022-11-18 18:43:24,144 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=382, PETRI_PLACES=191, PETRI_TRANSITIONS=186} [2022-11-18 18:43:24,145 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -66 predicate places. [2022-11-18 18:43:24,145 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 186 transitions, 382 flow [2022-11-18 18:43:24,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:24,145 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:43:24,146 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] [2022-11-18 18:43:24,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 18:43:24,146 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-18 18:43:24,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:24,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1851739378, now seen corresponding path program 1 times [2022-11-18 18:43:24,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:24,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481700385] [2022-11-18 18:43:24,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:24,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:24,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:43:24,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:24,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481700385] [2022-11-18 18:43:24,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481700385] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:24,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:24,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:43:24,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997824403] [2022-11-18 18:43:24,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:24,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:43:24,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:24,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:43:24,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:43:24,239 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 275 [2022-11-18 18:43:24,241 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 186 transitions, 382 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:24,242 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:43:24,242 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 275 [2022-11-18 18:43:24,242 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:43:24,352 INFO L130 PetriNetUnfolder]: 16/236 cut-off events. [2022-11-18 18:43:24,352 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 18:43:24,353 INFO L83 FinitePrefix]: Finished finitePrefix Result has 289 conditions, 236 events. 16/236 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 229 event pairs, 15 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 197. Up to 40 conditions per place. [2022-11-18 18:43:24,354 INFO L137 encePairwiseOnDemand]: 272/275 looper letters, 12 selfloop transitions, 2 changer transitions 0/185 dead transitions. [2022-11-18 18:43:24,354 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 185 transitions, 408 flow [2022-11-18 18:43:24,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:43:24,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:43:24,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 627 transitions. [2022-11-18 18:43:24,356 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.76 [2022-11-18 18:43:24,357 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 627 transitions. [2022-11-18 18:43:24,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 627 transitions. [2022-11-18 18:43:24,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:43:24,358 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 627 transitions. [2022-11-18 18:43:24,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:24,361 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:24,364 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:24,365 INFO L175 Difference]: Start difference. First operand has 191 places, 186 transitions, 382 flow. Second operand 3 states and 627 transitions. [2022-11-18 18:43:24,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 185 transitions, 408 flow [2022-11-18 18:43:24,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 185 transitions, 404 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:43:24,369 INFO L231 Difference]: Finished difference. Result has 190 places, 185 transitions, 380 flow [2022-11-18 18:43:24,370 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=380, PETRI_PLACES=190, PETRI_TRANSITIONS=185} [2022-11-18 18:43:24,371 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -67 predicate places. [2022-11-18 18:43:24,371 INFO L495 AbstractCegarLoop]: Abstraction has has 190 places, 185 transitions, 380 flow [2022-11-18 18:43:24,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:24,372 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:43:24,372 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] [2022-11-18 18:43:24,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 18:43:24,373 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-18 18:43:24,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:24,373 INFO L85 PathProgramCache]: Analyzing trace with hash -405661687, now seen corresponding path program 1 times [2022-11-18 18:43:24,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:24,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075478516] [2022-11-18 18:43:24,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:24,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:24,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:43:24,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:24,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075478516] [2022-11-18 18:43:24,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075478516] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:24,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:24,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:43:24,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810077213] [2022-11-18 18:43:24,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:24,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:43:24,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:24,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:43:24,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:43:24,458 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 275 [2022-11-18 18:43:24,459 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 185 transitions, 380 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:24,459 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:43:24,460 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 275 [2022-11-18 18:43:24,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:43:24,568 INFO L130 PetriNetUnfolder]: 16/235 cut-off events. [2022-11-18 18:43:24,568 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 18:43:24,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 288 conditions, 235 events. 16/235 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 230 event pairs, 15 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 189. Up to 40 conditions per place. [2022-11-18 18:43:24,570 INFO L137 encePairwiseOnDemand]: 272/275 looper letters, 12 selfloop transitions, 2 changer transitions 0/184 dead transitions. [2022-11-18 18:43:24,570 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 184 transitions, 406 flow [2022-11-18 18:43:24,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:43:24,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:43:24,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 627 transitions. [2022-11-18 18:43:24,573 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.76 [2022-11-18 18:43:24,573 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 627 transitions. [2022-11-18 18:43:24,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 627 transitions. [2022-11-18 18:43:24,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:43:24,574 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 627 transitions. [2022-11-18 18:43:24,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:24,578 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:24,578 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:24,579 INFO L175 Difference]: Start difference. First operand has 190 places, 185 transitions, 380 flow. Second operand 3 states and 627 transitions. [2022-11-18 18:43:24,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 184 transitions, 406 flow [2022-11-18 18:43:24,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 184 transitions, 402 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:43:24,583 INFO L231 Difference]: Finished difference. Result has 189 places, 184 transitions, 378 flow [2022-11-18 18:43:24,584 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=374, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=378, PETRI_PLACES=189, PETRI_TRANSITIONS=184} [2022-11-18 18:43:24,584 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -68 predicate places. [2022-11-18 18:43:24,585 INFO L495 AbstractCegarLoop]: Abstraction has has 189 places, 184 transitions, 378 flow [2022-11-18 18:43:24,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:24,585 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:43:24,585 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] [2022-11-18 18:43:24,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 18:43:24,586 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-18 18:43:24,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:24,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1762364813, now seen corresponding path program 1 times [2022-11-18 18:43:24,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:24,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523646098] [2022-11-18 18:43:24,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:24,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:24,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:43:24,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:24,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523646098] [2022-11-18 18:43:24,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523646098] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:24,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:24,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:43:24,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203673472] [2022-11-18 18:43:24,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:24,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:43:24,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:24,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:43:24,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:43:24,635 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 275 [2022-11-18 18:43:24,636 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 184 transitions, 378 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:24,636 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:43:24,636 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 275 [2022-11-18 18:43:24,636 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:43:24,742 INFO L130 PetriNetUnfolder]: 16/234 cut-off events. [2022-11-18 18:43:24,742 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 18:43:24,743 INFO L83 FinitePrefix]: Finished finitePrefix Result has 287 conditions, 234 events. 16/234 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 228 event pairs, 15 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 181. Up to 40 conditions per place. [2022-11-18 18:43:24,744 INFO L137 encePairwiseOnDemand]: 272/275 looper letters, 12 selfloop transitions, 2 changer transitions 0/183 dead transitions. [2022-11-18 18:43:24,744 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 183 transitions, 404 flow [2022-11-18 18:43:24,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:43:24,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:43:24,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 627 transitions. [2022-11-18 18:43:24,747 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.76 [2022-11-18 18:43:24,747 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 627 transitions. [2022-11-18 18:43:24,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 627 transitions. [2022-11-18 18:43:24,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:43:24,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 627 transitions. [2022-11-18 18:43:24,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:24,751 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:24,752 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:24,752 INFO L175 Difference]: Start difference. First operand has 189 places, 184 transitions, 378 flow. Second operand 3 states and 627 transitions. [2022-11-18 18:43:24,752 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 183 transitions, 404 flow [2022-11-18 18:43:24,754 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 183 transitions, 400 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:43:24,756 INFO L231 Difference]: Finished difference. Result has 188 places, 183 transitions, 376 flow [2022-11-18 18:43:24,757 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=376, PETRI_PLACES=188, PETRI_TRANSITIONS=183} [2022-11-18 18:43:24,757 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -69 predicate places. [2022-11-18 18:43:24,758 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 183 transitions, 376 flow [2022-11-18 18:43:24,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:24,758 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:43:24,759 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] [2022-11-18 18:43:24,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 18:43:24,759 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-18 18:43:24,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:24,760 INFO L85 PathProgramCache]: Analyzing trace with hash 702432143, now seen corresponding path program 1 times [2022-11-18 18:43:24,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:24,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897487280] [2022-11-18 18:43:24,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:24,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:24,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:43:24,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:24,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897487280] [2022-11-18 18:43:24,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897487280] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:24,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:24,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:43:24,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474962463] [2022-11-18 18:43:24,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:24,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:43:24,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:24,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:43:24,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:43:24,826 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 275 [2022-11-18 18:43:24,827 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 183 transitions, 376 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:24,827 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:43:24,827 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 275 [2022-11-18 18:43:24,827 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:43:24,922 INFO L130 PetriNetUnfolder]: 16/233 cut-off events. [2022-11-18 18:43:24,922 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 18:43:24,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 286 conditions, 233 events. 16/233 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 227 event pairs, 15 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 173. Up to 40 conditions per place. [2022-11-18 18:43:24,924 INFO L137 encePairwiseOnDemand]: 272/275 looper letters, 12 selfloop transitions, 2 changer transitions 0/182 dead transitions. [2022-11-18 18:43:24,924 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 182 transitions, 402 flow [2022-11-18 18:43:24,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:43:24,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:43:24,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 627 transitions. [2022-11-18 18:43:24,926 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.76 [2022-11-18 18:43:24,926 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 627 transitions. [2022-11-18 18:43:24,926 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 627 transitions. [2022-11-18 18:43:24,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:43:24,927 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 627 transitions. [2022-11-18 18:43:24,929 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:24,930 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:24,931 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:24,931 INFO L175 Difference]: Start difference. First operand has 188 places, 183 transitions, 376 flow. Second operand 3 states and 627 transitions. [2022-11-18 18:43:24,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 182 transitions, 402 flow [2022-11-18 18:43:24,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 182 transitions, 398 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:43:24,935 INFO L231 Difference]: Finished difference. Result has 187 places, 182 transitions, 374 flow [2022-11-18 18:43:24,936 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=374, PETRI_PLACES=187, PETRI_TRANSITIONS=182} [2022-11-18 18:43:24,936 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -70 predicate places. [2022-11-18 18:43:24,937 INFO L495 AbstractCegarLoop]: Abstraction has has 187 places, 182 transitions, 374 flow [2022-11-18 18:43:24,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:24,937 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:43:24,937 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] [2022-11-18 18:43:24,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 18:43:24,938 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-18 18:43:24,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:24,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1485471527, now seen corresponding path program 1 times [2022-11-18 18:43:24,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:24,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746321254] [2022-11-18 18:43:24,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:24,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:25,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:43:25,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:25,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746321254] [2022-11-18 18:43:25,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746321254] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:25,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:25,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:43:25,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899697901] [2022-11-18 18:43:25,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:25,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:43:25,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:25,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:43:25,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:43:25,643 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 275 [2022-11-18 18:43:25,646 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 182 transitions, 374 flow. Second operand has 6 states, 6 states have (on average 188.0) internal successors, (1128), 6 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:25,646 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:43:25,647 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 275 [2022-11-18 18:43:25,647 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:43:26,076 INFO L130 PetriNetUnfolder]: 118/414 cut-off events. [2022-11-18 18:43:26,076 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 18:43:26,077 INFO L83 FinitePrefix]: Finished finitePrefix Result has 651 conditions, 414 events. 118/414 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 818 event pairs, 22 based on Foata normal form. 0/395 useless extension candidates. Maximal degree in co-relation 530. Up to 118 conditions per place. [2022-11-18 18:43:26,080 INFO L137 encePairwiseOnDemand]: 270/275 looper letters, 38 selfloop transitions, 4 changer transitions 0/193 dead transitions. [2022-11-18 18:43:26,080 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 193 transitions, 480 flow [2022-11-18 18:43:26,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:43:26,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 18:43:26,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1159 transitions. [2022-11-18 18:43:26,084 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7024242424242424 [2022-11-18 18:43:26,084 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1159 transitions. [2022-11-18 18:43:26,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1159 transitions. [2022-11-18 18:43:26,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:43:26,085 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1159 transitions. [2022-11-18 18:43:26,088 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 193.16666666666666) internal successors, (1159), 6 states have internal predecessors, (1159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:26,091 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 275.0) internal successors, (1925), 7 states have internal predecessors, (1925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:26,092 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 275.0) internal successors, (1925), 7 states have internal predecessors, (1925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:26,092 INFO L175 Difference]: Start difference. First operand has 187 places, 182 transitions, 374 flow. Second operand 6 states and 1159 transitions. [2022-11-18 18:43:26,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 193 transitions, 480 flow [2022-11-18 18:43:26,094 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 193 transitions, 476 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 18:43:26,097 INFO L231 Difference]: Finished difference. Result has 189 places, 181 transitions, 376 flow [2022-11-18 18:43:26,097 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=376, PETRI_PLACES=189, PETRI_TRANSITIONS=181} [2022-11-18 18:43:26,098 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -68 predicate places. [2022-11-18 18:43:26,098 INFO L495 AbstractCegarLoop]: Abstraction has has 189 places, 181 transitions, 376 flow [2022-11-18 18:43:26,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 188.0) internal successors, (1128), 6 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:26,100 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:43:26,101 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:43:26,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 18:43:26,101 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-18 18:43:26,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:26,103 INFO L85 PathProgramCache]: Analyzing trace with hash -792768382, now seen corresponding path program 1 times [2022-11-18 18:43:26,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:26,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025893131] [2022-11-18 18:43:26,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:26,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:26,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:43:26,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:26,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025893131] [2022-11-18 18:43:26,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025893131] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:26,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:26,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:43:26,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066089897] [2022-11-18 18:43:26,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:26,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:43:26,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:26,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:43:26,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:43:26,949 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 275 [2022-11-18 18:43:26,951 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 181 transitions, 376 flow. Second operand has 6 states, 6 states have (on average 189.16666666666666) internal successors, (1135), 6 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:26,951 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:43:26,951 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 275 [2022-11-18 18:43:26,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:43:27,359 INFO L130 PetriNetUnfolder]: 107/397 cut-off events. [2022-11-18 18:43:27,360 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-11-18 18:43:27,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 646 conditions, 397 events. 107/397 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 729 event pairs, 79 based on Foata normal form. 0/383 useless extension candidates. Maximal degree in co-relation 220. Up to 146 conditions per place. [2022-11-18 18:43:27,362 INFO L137 encePairwiseOnDemand]: 270/275 looper letters, 33 selfloop transitions, 4 changer transitions 0/188 dead transitions. [2022-11-18 18:43:27,363 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 188 transitions, 464 flow [2022-11-18 18:43:27,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:43:27,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 18:43:27,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1154 transitions. [2022-11-18 18:43:27,367 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6993939393939393 [2022-11-18 18:43:27,367 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1154 transitions. [2022-11-18 18:43:27,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1154 transitions. [2022-11-18 18:43:27,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:43:27,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1154 transitions. [2022-11-18 18:43:27,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 192.33333333333334) internal successors, (1154), 6 states have internal predecessors, (1154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:27,375 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 275.0) internal successors, (1925), 7 states have internal predecessors, (1925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:27,376 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 275.0) internal successors, (1925), 7 states have internal predecessors, (1925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:27,377 INFO L175 Difference]: Start difference. First operand has 189 places, 181 transitions, 376 flow. Second operand 6 states and 1154 transitions. [2022-11-18 18:43:27,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 188 transitions, 464 flow [2022-11-18 18:43:27,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 188 transitions, 457 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 18:43:27,381 INFO L231 Difference]: Finished difference. Result has 189 places, 180 transitions, 375 flow [2022-11-18 18:43:27,381 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=367, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=375, PETRI_PLACES=189, PETRI_TRANSITIONS=180} [2022-11-18 18:43:27,382 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -68 predicate places. [2022-11-18 18:43:27,383 INFO L495 AbstractCegarLoop]: Abstraction has has 189 places, 180 transitions, 375 flow [2022-11-18 18:43:27,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.16666666666666) internal successors, (1135), 6 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:27,384 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:43:27,384 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:43:27,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 18:43:27,385 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-18 18:43:27,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:27,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1755894611, now seen corresponding path program 1 times [2022-11-18 18:43:27,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:27,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483627483] [2022-11-18 18:43:27,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:27,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:28,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:43:28,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:28,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483627483] [2022-11-18 18:43:28,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483627483] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:28,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:28,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:43:28,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442766888] [2022-11-18 18:43:28,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:28,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:43:28,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:28,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:43:28,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:43:28,244 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 275 [2022-11-18 18:43:28,246 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 180 transitions, 375 flow. Second operand has 6 states, 6 states have (on average 190.33333333333334) internal successors, (1142), 6 states have internal predecessors, (1142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:28,246 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:43:28,246 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 275 [2022-11-18 18:43:28,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:43:28,623 INFO L130 PetriNetUnfolder]: 106/395 cut-off events. [2022-11-18 18:43:28,623 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-18 18:43:28,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 633 conditions, 395 events. 106/395 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 727 event pairs, 100 based on Foata normal form. 0/384 useless extension candidates. Maximal degree in co-relation 473. Up to 189 conditions per place. [2022-11-18 18:43:28,626 INFO L137 encePairwiseOnDemand]: 270/275 looper letters, 28 selfloop transitions, 4 changer transitions 0/183 dead transitions. [2022-11-18 18:43:28,626 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 183 transitions, 445 flow [2022-11-18 18:43:28,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:43:28,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-18 18:43:28,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1149 transitions. [2022-11-18 18:43:28,630 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6963636363636364 [2022-11-18 18:43:28,630 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1149 transitions. [2022-11-18 18:43:28,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1149 transitions. [2022-11-18 18:43:28,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:43:28,632 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1149 transitions. [2022-11-18 18:43:28,635 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 191.5) internal successors, (1149), 6 states have internal predecessors, (1149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:28,638 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 275.0) internal successors, (1925), 7 states have internal predecessors, (1925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:28,639 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 275.0) internal successors, (1925), 7 states have internal predecessors, (1925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:28,639 INFO L175 Difference]: Start difference. First operand has 189 places, 180 transitions, 375 flow. Second operand 6 states and 1149 transitions. [2022-11-18 18:43:28,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 183 transitions, 445 flow [2022-11-18 18:43:28,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 183 transitions, 438 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 18:43:28,644 INFO L231 Difference]: Finished difference. Result has 189 places, 179 transitions, 374 flow [2022-11-18 18:43:28,644 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=366, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=374, PETRI_PLACES=189, PETRI_TRANSITIONS=179} [2022-11-18 18:43:28,645 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -68 predicate places. [2022-11-18 18:43:28,645 INFO L495 AbstractCegarLoop]: Abstraction has has 189 places, 179 transitions, 374 flow [2022-11-18 18:43:28,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 190.33333333333334) internal successors, (1142), 6 states have internal predecessors, (1142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:28,646 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:43:28,646 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:43:28,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 18:43:28,647 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-18 18:43:28,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:28,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1124541950, now seen corresponding path program 1 times [2022-11-18 18:43:28,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:28,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767858566] [2022-11-18 18:43:28,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:28,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:28,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:43:28,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:28,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767858566] [2022-11-18 18:43:28,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767858566] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:28,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:28,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:43:28,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553058934] [2022-11-18 18:43:28,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:28,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:43:28,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:28,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:43:28,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:43:28,771 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 275 [2022-11-18 18:43:28,773 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 179 transitions, 374 flow. Second operand has 3 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:28,773 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:43:28,773 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 275 [2022-11-18 18:43:28,774 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:43:28,866 INFO L130 PetriNetUnfolder]: 16/229 cut-off events. [2022-11-18 18:43:28,866 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 18:43:28,867 INFO L83 FinitePrefix]: Finished finitePrefix Result has 283 conditions, 229 events. 16/229 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 222 event pairs, 15 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 253. Up to 37 conditions per place. [2022-11-18 18:43:28,868 INFO L137 encePairwiseOnDemand]: 273/275 looper letters, 10 selfloop transitions, 1 changer transitions 0/178 dead transitions. [2022-11-18 18:43:28,868 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 178 transitions, 394 flow [2022-11-18 18:43:28,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:43:28,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:43:28,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 633 transitions. [2022-11-18 18:43:28,870 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7672727272727272 [2022-11-18 18:43:28,871 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 633 transitions. [2022-11-18 18:43:28,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 633 transitions. [2022-11-18 18:43:28,871 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:43:28,871 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 633 transitions. [2022-11-18 18:43:28,874 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 211.0) internal successors, (633), 3 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:28,875 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:28,876 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:28,876 INFO L175 Difference]: Start difference. First operand has 189 places, 179 transitions, 374 flow. Second operand 3 states and 633 transitions. [2022-11-18 18:43:28,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 178 transitions, 394 flow [2022-11-18 18:43:28,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 178 transitions, 387 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-18 18:43:28,880 INFO L231 Difference]: Finished difference. Result has 186 places, 178 transitions, 367 flow [2022-11-18 18:43:28,881 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=365, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=367, PETRI_PLACES=186, PETRI_TRANSITIONS=178} [2022-11-18 18:43:28,882 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -71 predicate places. [2022-11-18 18:43:28,882 INFO L495 AbstractCegarLoop]: Abstraction has has 186 places, 178 transitions, 367 flow [2022-11-18 18:43:28,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:28,882 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:43:28,883 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:43:28,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 18:43:28,883 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-18 18:43:28,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:28,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1458804463, now seen corresponding path program 1 times [2022-11-18 18:43:28,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:28,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077427446] [2022-11-18 18:43:28,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:28,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:28,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:28,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:43:28,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:29,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077427446] [2022-11-18 18:43:29,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077427446] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:29,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:29,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:43:29,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319643558] [2022-11-18 18:43:29,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:29,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:43:29,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:29,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:43:29,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:43:29,003 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 275 [2022-11-18 18:43:29,003 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 178 transitions, 367 flow. Second operand has 3 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:29,004 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:43:29,004 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 275 [2022-11-18 18:43:29,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:43:29,110 INFO L130 PetriNetUnfolder]: 15/232 cut-off events. [2022-11-18 18:43:29,110 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 18:43:29,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 284 conditions, 232 events. 15/232 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 221 event pairs, 15 based on Foata normal form. 0/223 useless extension candidates. Maximal degree in co-relation 262. Up to 37 conditions per place. [2022-11-18 18:43:29,112 INFO L137 encePairwiseOnDemand]: 273/275 looper letters, 10 selfloop transitions, 1 changer transitions 0/177 dead transitions. [2022-11-18 18:43:29,112 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 177 transitions, 387 flow [2022-11-18 18:43:29,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:43:29,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:43:29,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 633 transitions. [2022-11-18 18:43:29,114 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7672727272727272 [2022-11-18 18:43:29,115 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 633 transitions. [2022-11-18 18:43:29,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 633 transitions. [2022-11-18 18:43:29,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:43:29,116 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 633 transitions. [2022-11-18 18:43:29,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 211.0) internal successors, (633), 3 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:29,119 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:29,119 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:29,120 INFO L175 Difference]: Start difference. First operand has 186 places, 178 transitions, 367 flow. Second operand 3 states and 633 transitions. [2022-11-18 18:43:29,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 177 transitions, 387 flow [2022-11-18 18:43:29,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 177 transitions, 386 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 18:43:29,124 INFO L231 Difference]: Finished difference. Result has 186 places, 177 transitions, 366 flow [2022-11-18 18:43:29,124 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=364, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=366, PETRI_PLACES=186, PETRI_TRANSITIONS=177} [2022-11-18 18:43:29,125 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -71 predicate places. [2022-11-18 18:43:29,125 INFO L495 AbstractCegarLoop]: Abstraction has has 186 places, 177 transitions, 366 flow [2022-11-18 18:43:29,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:29,125 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 18:43:29,126 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:43:29,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-18 18:43:29,126 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 125 more)] === [2022-11-18 18:43:29,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:43:29,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1749319233, now seen corresponding path program 1 times [2022-11-18 18:43:29,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:43:29,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461643067] [2022-11-18 18:43:29,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:43:29,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:43:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:43:29,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:43:29,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:43:29,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461643067] [2022-11-18 18:43:29,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461643067] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:43:29,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:43:29,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:43:29,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008049796] [2022-11-18 18:43:29,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:43:29,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:43:29,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:43:29,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:43:29,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:43:29,244 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 275 [2022-11-18 18:43:29,245 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 177 transitions, 366 flow. Second operand has 3 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:29,245 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 18:43:29,245 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 275 [2022-11-18 18:43:29,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 18:43:29,328 INFO L130 PetriNetUnfolder]: 15/230 cut-off events. [2022-11-18 18:43:29,328 INFO L131 PetriNetUnfolder]: For 7/14 co-relation queries the response was YES. [2022-11-18 18:43:29,329 INFO L83 FinitePrefix]: Finished finitePrefix Result has 283 conditions, 230 events. 15/230 cut-off events. For 7/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 219 event pairs, 15 based on Foata normal form. 2/223 useless extension candidates. Maximal degree in co-relation 272. Up to 37 conditions per place. [2022-11-18 18:43:29,329 INFO L137 encePairwiseOnDemand]: 273/275 looper letters, 0 selfloop transitions, 0 changer transitions 176/176 dead transitions. [2022-11-18 18:43:29,329 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 176 transitions, 384 flow [2022-11-18 18:43:29,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:43:29,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 18:43:29,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 632 transitions. [2022-11-18 18:43:29,332 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7660606060606061 [2022-11-18 18:43:29,332 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 632 transitions. [2022-11-18 18:43:29,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 632 transitions. [2022-11-18 18:43:29,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 18:43:29,333 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 632 transitions. [2022-11-18 18:43:29,334 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:29,336 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:29,336 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 275.0) internal successors, (1100), 4 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:29,337 INFO L175 Difference]: Start difference. First operand has 186 places, 177 transitions, 366 flow. Second operand 3 states and 632 transitions. [2022-11-18 18:43:29,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 176 transitions, 384 flow [2022-11-18 18:43:29,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 176 transitions, 383 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 18:43:29,339 INFO L231 Difference]: Finished difference. Result has 186 places, 0 transitions, 0 flow [2022-11-18 18:43:29,340 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=275, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=186, PETRI_TRANSITIONS=0} [2022-11-18 18:43:29,340 INFO L288 CegarLoopForPetriNet]: 257 programPoint places, -71 predicate places. [2022-11-18 18:43:29,341 INFO L495 AbstractCegarLoop]: Abstraction has has 186 places, 0 transitions, 0 flow [2022-11-18 18:43:29,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:43:29,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (128 of 129 remaining) [2022-11-18 18:43:29,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (127 of 129 remaining) [2022-11-18 18:43:29,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (126 of 129 remaining) [2022-11-18 18:43:29,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (125 of 129 remaining) [2022-11-18 18:43:29,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (124 of 129 remaining) [2022-11-18 18:43:29,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (123 of 129 remaining) [2022-11-18 18:43:29,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (122 of 129 remaining) [2022-11-18 18:43:29,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (121 of 129 remaining) [2022-11-18 18:43:29,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (120 of 129 remaining) [2022-11-18 18:43:29,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (119 of 129 remaining) [2022-11-18 18:43:29,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (118 of 129 remaining) [2022-11-18 18:43:29,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (117 of 129 remaining) [2022-11-18 18:43:29,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (116 of 129 remaining) [2022-11-18 18:43:29,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (115 of 129 remaining) [2022-11-18 18:43:29,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (114 of 129 remaining) [2022-11-18 18:43:29,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (113 of 129 remaining) [2022-11-18 18:43:29,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (112 of 129 remaining) [2022-11-18 18:43:29,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (111 of 129 remaining) [2022-11-18 18:43:29,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (110 of 129 remaining) [2022-11-18 18:43:29,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (109 of 129 remaining) [2022-11-18 18:43:29,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (108 of 129 remaining) [2022-11-18 18:43:29,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (107 of 129 remaining) [2022-11-18 18:43:29,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (106 of 129 remaining) [2022-11-18 18:43:29,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (105 of 129 remaining) [2022-11-18 18:43:29,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (104 of 129 remaining) [2022-11-18 18:43:29,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (103 of 129 remaining) [2022-11-18 18:43:29,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (102 of 129 remaining) [2022-11-18 18:43:29,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (101 of 129 remaining) [2022-11-18 18:43:29,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (100 of 129 remaining) [2022-11-18 18:43:29,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (99 of 129 remaining) [2022-11-18 18:43:29,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (98 of 129 remaining) [2022-11-18 18:43:29,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (97 of 129 remaining) [2022-11-18 18:43:29,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (96 of 129 remaining) [2022-11-18 18:43:29,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (95 of 129 remaining) [2022-11-18 18:43:29,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (94 of 129 remaining) [2022-11-18 18:43:29,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (93 of 129 remaining) [2022-11-18 18:43:29,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (92 of 129 remaining) [2022-11-18 18:43:29,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (91 of 129 remaining) [2022-11-18 18:43:29,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (90 of 129 remaining) [2022-11-18 18:43:29,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (89 of 129 remaining) [2022-11-18 18:43:29,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (88 of 129 remaining) [2022-11-18 18:43:29,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (87 of 129 remaining) [2022-11-18 18:43:29,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (86 of 129 remaining) [2022-11-18 18:43:29,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (85 of 129 remaining) [2022-11-18 18:43:29,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (84 of 129 remaining) [2022-11-18 18:43:29,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (83 of 129 remaining) [2022-11-18 18:43:29,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (82 of 129 remaining) [2022-11-18 18:43:29,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (81 of 129 remaining) [2022-11-18 18:43:29,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (80 of 129 remaining) [2022-11-18 18:43:29,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (79 of 129 remaining) [2022-11-18 18:43:29,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (78 of 129 remaining) [2022-11-18 18:43:29,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (77 of 129 remaining) [2022-11-18 18:43:29,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (76 of 129 remaining) [2022-11-18 18:43:29,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (75 of 129 remaining) [2022-11-18 18:43:29,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (74 of 129 remaining) [2022-11-18 18:43:29,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (73 of 129 remaining) [2022-11-18 18:43:29,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (72 of 129 remaining) [2022-11-18 18:43:29,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (71 of 129 remaining) [2022-11-18 18:43:29,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (70 of 129 remaining) [2022-11-18 18:43:29,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (69 of 129 remaining) [2022-11-18 18:43:29,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (68 of 129 remaining) [2022-11-18 18:43:29,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (67 of 129 remaining) [2022-11-18 18:43:29,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (66 of 129 remaining) [2022-11-18 18:43:29,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (65 of 129 remaining) [2022-11-18 18:43:29,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (64 of 129 remaining) [2022-11-18 18:43:29,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (63 of 129 remaining) [2022-11-18 18:43:29,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (62 of 129 remaining) [2022-11-18 18:43:29,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (61 of 129 remaining) [2022-11-18 18:43:29,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (60 of 129 remaining) [2022-11-18 18:43:29,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (59 of 129 remaining) [2022-11-18 18:43:29,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (58 of 129 remaining) [2022-11-18 18:43:29,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (57 of 129 remaining) [2022-11-18 18:43:29,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (56 of 129 remaining) [2022-11-18 18:43:29,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (55 of 129 remaining) [2022-11-18 18:43:29,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (54 of 129 remaining) [2022-11-18 18:43:29,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (53 of 129 remaining) [2022-11-18 18:43:29,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (52 of 129 remaining) [2022-11-18 18:43:29,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (51 of 129 remaining) [2022-11-18 18:43:29,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (50 of 129 remaining) [2022-11-18 18:43:29,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (49 of 129 remaining) [2022-11-18 18:43:29,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (48 of 129 remaining) [2022-11-18 18:43:29,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (47 of 129 remaining) [2022-11-18 18:43:29,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (46 of 129 remaining) [2022-11-18 18:43:29,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (45 of 129 remaining) [2022-11-18 18:43:29,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (44 of 129 remaining) [2022-11-18 18:43:29,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (43 of 129 remaining) [2022-11-18 18:43:29,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (42 of 129 remaining) [2022-11-18 18:43:29,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (41 of 129 remaining) [2022-11-18 18:43:29,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (40 of 129 remaining) [2022-11-18 18:43:29,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (39 of 129 remaining) [2022-11-18 18:43:29,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (38 of 129 remaining) [2022-11-18 18:43:29,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (37 of 129 remaining) [2022-11-18 18:43:29,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (36 of 129 remaining) [2022-11-18 18:43:29,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (35 of 129 remaining) [2022-11-18 18:43:29,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (34 of 129 remaining) [2022-11-18 18:43:29,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (33 of 129 remaining) [2022-11-18 18:43:29,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (32 of 129 remaining) [2022-11-18 18:43:29,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (31 of 129 remaining) [2022-11-18 18:43:29,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (30 of 129 remaining) [2022-11-18 18:43:29,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (29 of 129 remaining) [2022-11-18 18:43:29,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (28 of 129 remaining) [2022-11-18 18:43:29,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (27 of 129 remaining) [2022-11-18 18:43:29,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (26 of 129 remaining) [2022-11-18 18:43:29,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (25 of 129 remaining) [2022-11-18 18:43:29,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (24 of 129 remaining) [2022-11-18 18:43:29,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (23 of 129 remaining) [2022-11-18 18:43:29,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (22 of 129 remaining) [2022-11-18 18:43:29,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (21 of 129 remaining) [2022-11-18 18:43:29,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (20 of 129 remaining) [2022-11-18 18:43:29,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (19 of 129 remaining) [2022-11-18 18:43:29,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (18 of 129 remaining) [2022-11-18 18:43:29,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (17 of 129 remaining) [2022-11-18 18:43:29,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (16 of 129 remaining) [2022-11-18 18:43:29,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (15 of 129 remaining) [2022-11-18 18:43:29,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (14 of 129 remaining) [2022-11-18 18:43:29,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (13 of 129 remaining) [2022-11-18 18:43:29,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (12 of 129 remaining) [2022-11-18 18:43:29,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (11 of 129 remaining) [2022-11-18 18:43:29,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (10 of 129 remaining) [2022-11-18 18:43:29,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (9 of 129 remaining) [2022-11-18 18:43:29,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (8 of 129 remaining) [2022-11-18 18:43:29,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (7 of 129 remaining) [2022-11-18 18:43:29,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (6 of 129 remaining) [2022-11-18 18:43:29,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (5 of 129 remaining) [2022-11-18 18:43:29,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (4 of 129 remaining) [2022-11-18 18:43:29,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (3 of 129 remaining) [2022-11-18 18:43:29,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (2 of 129 remaining) [2022-11-18 18:43:29,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (1 of 129 remaining) [2022-11-18 18:43:29,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (0 of 129 remaining) [2022-11-18 18:43:29,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-18 18:43:29,369 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:43:29,375 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 18:43:29,376 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 18:43:29,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 06:43:29 BasicIcfg [2022-11-18 18:43:29,381 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 18:43:29,382 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 18:43:29,382 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 18:43:29,382 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 18:43:29,383 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:43:21" (3/4) ... [2022-11-18 18:43:29,386 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 18:43:29,391 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-18 18:43:29,391 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-18 18:43:29,392 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-18 18:43:29,398 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-18 18:43:29,398 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 18:43:29,399 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 18:43:29,399 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 18:43:29,446 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2fb39-de17-4610-af7a-9072e02db893/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 18:43:29,446 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 18:43:29,447 INFO L158 Benchmark]: Toolchain (without parser) took 11691.51ms. Allocated memory was 132.1MB in the beginning and 394.3MB in the end (delta: 262.1MB). Free memory was 104.2MB in the beginning and 234.7MB in the end (delta: -130.6MB). Peak memory consumption was 131.0MB. Max. memory is 16.1GB. [2022-11-18 18:43:29,449 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory was 47.8MB in the beginning and 47.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:43:29,450 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.86ms. Allocated memory is still 132.1MB. Free memory was 104.2MB in the beginning and 106.9MB in the end (delta: -2.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 18:43:29,450 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.99ms. Allocated memory is still 132.1MB. Free memory was 106.9MB in the beginning and 103.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 18:43:29,451 INFO L158 Benchmark]: Boogie Preprocessor took 100.17ms. Allocated memory is still 132.1MB. Free memory was 103.3MB in the beginning and 100.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:43:29,451 INFO L158 Benchmark]: RCFGBuilder took 2597.76ms. Allocated memory was 132.1MB in the beginning and 167.8MB in the end (delta: 35.7MB). Free memory was 100.6MB in the beginning and 82.4MB in the end (delta: 18.2MB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. [2022-11-18 18:43:29,451 INFO L158 Benchmark]: TraceAbstraction took 8369.47ms. Allocated memory was 167.8MB in the beginning and 394.3MB in the end (delta: 226.5MB). Free memory was 81.4MB in the beginning and 238.9MB in the end (delta: -157.6MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. [2022-11-18 18:43:29,452 INFO L158 Benchmark]: Witness Printer took 64.33ms. Allocated memory is still 394.3MB. Free memory was 238.9MB in the beginning and 234.7MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:43:29,455 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory was 47.8MB in the beginning and 47.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 469.86ms. Allocated memory is still 132.1MB. Free memory was 104.2MB in the beginning and 106.9MB in the end (delta: -2.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.99ms. Allocated memory is still 132.1MB. Free memory was 106.9MB in the beginning and 103.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.17ms. Allocated memory is still 132.1MB. Free memory was 103.3MB in the beginning and 100.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2597.76ms. Allocated memory was 132.1MB in the beginning and 167.8MB in the end (delta: 35.7MB). Free memory was 100.6MB in the beginning and 82.4MB in the end (delta: 18.2MB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. * TraceAbstraction took 8369.47ms. Allocated memory was 167.8MB in the beginning and 394.3MB in the end (delta: 226.5MB). Free memory was 81.4MB in the beginning and 238.9MB in the end (delta: -157.6MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. * Witness Printer took 64.33ms. Allocated memory is still 394.3MB. Free memory was 238.9MB in the beginning and 234.7MB 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: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: 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: 88]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 342 locations, 129 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.0s, OverallIterations: 18, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 70 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 70 mSDsluCounter, 81 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 557 IncrementalHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 81 mSDtfsCounter, 557 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=514occurred in iteration=0, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 1840 NumberOfCodeBlocks, 1840 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1822 ConstructedInterpolants, 0 QuantifiedInterpolants, 2095 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 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 72 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-18 18:43:29,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f2fb39-de17-4610-af7a-9072e02db893/bin/uautomizer-TMbwUNV5ro/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