./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 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_574d143e-508e-4d43-88a7-a6e3a0752118/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_574d143e-508e-4d43-88a7-a6e3a0752118/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_574d143e-508e-4d43-88a7-a6e3a0752118/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_574d143e-508e-4d43-88a7-a6e3a0752118/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_574d143e-508e-4d43-88a7-a6e3a0752118/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_574d143e-508e-4d43-88a7-a6e3a0752118/bin/uautomizer-uyxdKDjOR8 --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 ecda181bd3fe1882667151a04232fb9d04292dd6ca3491d98fdc8de5d539856a --- 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-2329fc7 [2022-12-13 21:55:55,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:55:55,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:55:55,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:55:55,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:55:55,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:55:55,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:55:55,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:55:55,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:55:55,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:55:55,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:55:55,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:55:55,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:55:55,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:55:55,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:55:55,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:55:55,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:55:55,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:55:55,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:55:55,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:55:55,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:55:55,082 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:55:55,083 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:55:55,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:55:55,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:55:55,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:55:55,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:55:55,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:55:55,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:55:55,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:55:55,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:55:55,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:55:55,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:55:55,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:55:55,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:55:55,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:55:55,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:55:55,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:55:55,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:55:55,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:55:55,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:55:55,093 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_574d143e-508e-4d43-88a7-a6e3a0752118/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 21:55:55,106 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:55:55,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:55:55,106 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:55:55,106 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:55:55,107 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:55:55,116 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:55:55,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:55:55,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:55:55,117 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:55:55,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:55:55,118 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 21:55:55,118 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:55:55,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:55:55,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 21:55:55,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:55:55,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:55:55,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:55:55,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:55:55,119 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 21:55:55,119 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 21:55:55,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:55:55,119 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:55:55,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:55:55,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:55:55,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:55:55,119 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:55:55,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:55:55,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:55:55,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:55:55,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:55:55,120 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:55:55,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 21:55:55,120 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:55:55,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:55:55,121 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:55:55,121 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:55:55,121 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:55:55,121 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_574d143e-508e-4d43-88a7-a6e3a0752118/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_574d143e-508e-4d43-88a7-a6e3a0752118/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecda181bd3fe1882667151a04232fb9d04292dd6ca3491d98fdc8de5d539856a [2022-12-13 21:55:55,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:55:55,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:55:55,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:55:55,315 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:55:55,316 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:55:55,317 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_574d143e-508e-4d43-88a7-a6e3a0752118/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c [2022-12-13 21:55:57,944 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:55:58,093 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:55:58,093 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_574d143e-508e-4d43-88a7-a6e3a0752118/sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c [2022-12-13 21:55:58,100 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_574d143e-508e-4d43-88a7-a6e3a0752118/bin/uautomizer-uyxdKDjOR8/data/c725b75d7/095be20ddb564ee3a4611d34b1737120/FLAG783422e6b [2022-12-13 21:55:58,114 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_574d143e-508e-4d43-88a7-a6e3a0752118/bin/uautomizer-uyxdKDjOR8/data/c725b75d7/095be20ddb564ee3a4611d34b1737120 [2022-12-13 21:55:58,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:55:58,118 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:55:58,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:55:58,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:55:58,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:55:58,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:55:58" (1/1) ... [2022-12-13 21:55:58,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@519bbc1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:55:58, skipping insertion in model container [2022-12-13 21:55:58,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:55:58" (1/1) ... [2022-12-13 21:55:58,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:55:58,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:55:58,283 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:55:58,287 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:55:58,288 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:55:58,289 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:55:58,291 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:55:58,292 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:55:58,293 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:55:58,295 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:55:58,296 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:55:58,297 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:55:58,304 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_574d143e-508e-4d43-88a7-a6e3a0752118/sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c[2924,2937] [2022-12-13 21:55:58,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:55:58,315 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:55:58,325 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:55:58,327 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:55:58,328 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:55:58,329 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:55:58,330 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:55:58,330 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:55:58,330 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:55:58,332 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:55:58,333 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:55:58,333 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:55:58,339 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_574d143e-508e-4d43-88a7-a6e3a0752118/sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c[2924,2937] [2022-12-13 21:55:58,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:55:58,351 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:55:58,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:55:58 WrapperNode [2022-12-13 21:55:58,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:55:58,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:55:58,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:55:58,353 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:55:58,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:55:58" (1/1) ... [2022-12-13 21:55:58,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:55:58" (1/1) ... [2022-12-13 21:55:58,388 INFO L138 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 11, calls inlined = 13, statements flattened = 419 [2022-12-13 21:55:58,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:55:58,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:55:58,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:55:58,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:55:58,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:55:58" (1/1) ... [2022-12-13 21:55:58,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:55:58" (1/1) ... [2022-12-13 21:55:58,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:55:58" (1/1) ... [2022-12-13 21:55:58,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:55:58" (1/1) ... [2022-12-13 21:55:58,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:55:58" (1/1) ... [2022-12-13 21:55:58,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:55:58" (1/1) ... [2022-12-13 21:55:58,426 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:55:58" (1/1) ... [2022-12-13 21:55:58,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:55:58" (1/1) ... [2022-12-13 21:55:58,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:55:58,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:55:58,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:55:58,432 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:55:58,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:55:58" (1/1) ... [2022-12-13 21:55:58,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:55:58,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_574d143e-508e-4d43-88a7-a6e3a0752118/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:55:58,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_574d143e-508e-4d43-88a7-a6e3a0752118/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:55:58,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_574d143e-508e-4d43-88a7-a6e3a0752118/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:55:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:55:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 21:55:58,496 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 21:55:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 21:55:58,496 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 21:55:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:55:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 21:55:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 21:55:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 21:55:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 21:55:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 21:55:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:55:58,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:55:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 21:55:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 21:55:58,499 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 21:55:58,585 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:55:58,586 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:55:59,064 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:55:59,296 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:55:59,296 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 21:55:59,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:55:59 BoogieIcfgContainer [2022-12-13 21:55:59,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:55:59,300 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:55:59,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:55:59,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:55:59,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:55:58" (1/3) ... [2022-12-13 21:55:59,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cd8d044 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:55:59, skipping insertion in model container [2022-12-13 21:55:59,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:55:58" (2/3) ... [2022-12-13 21:55:59,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cd8d044 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:55:59, skipping insertion in model container [2022-12-13 21:55:59,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:55:59" (3/3) ... [2022-12-13 21:55:59,304 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-dec-subseq.wvr.c [2022-12-13 21:55:59,311 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 21:55:59,319 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:55:59,319 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 69 error locations. [2022-12-13 21:55:59,319 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 21:55:59,416 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 21:55:59,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 376 places, 385 transitions, 786 flow [2022-12-13 21:55:59,556 INFO L130 PetriNetUnfolder]: 16/383 cut-off events. [2022-12-13 21:55:59,556 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 21:55:59,564 INFO L83 FinitePrefix]: Finished finitePrefix Result has 392 conditions, 383 events. 16/383 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 619 event pairs, 0 based on Foata normal form. 0/298 useless extension candidates. Maximal degree in co-relation 288. Up to 2 conditions per place. [2022-12-13 21:55:59,564 INFO L82 GeneralOperation]: Start removeDead. Operand has 376 places, 385 transitions, 786 flow [2022-12-13 21:55:59,572 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 357 places, 365 transitions, 742 flow [2022-12-13 21:55:59,575 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 21:55:59,586 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 357 places, 365 transitions, 742 flow [2022-12-13 21:55:59,589 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 357 places, 365 transitions, 742 flow [2022-12-13 21:55:59,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 357 places, 365 transitions, 742 flow [2022-12-13 21:55:59,651 INFO L130 PetriNetUnfolder]: 15/365 cut-off events. [2022-12-13 21:55:59,651 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 21:55:59,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 374 conditions, 365 events. 15/365 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 592 event pairs, 0 based on Foata normal form. 0/282 useless extension candidates. Maximal degree in co-relation 288. Up to 2 conditions per place. [2022-12-13 21:55:59,657 INFO L119 LiptonReduction]: Number of co-enabled transitions 11388 [2022-12-13 21:56:13,267 INFO L134 LiptonReduction]: Checked pairs total: 59995 [2022-12-13 21:56:13,267 INFO L136 LiptonReduction]: Total number of compositions: 424 [2022-12-13 21:56:13,282 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:56:13,288 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;@462239c2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:56:13,288 INFO L358 AbstractCegarLoop]: Starting to check reachability of 119 error locations. [2022-12-13 21:56:13,289 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 21:56:13,289 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 21:56:13,290 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:56:13,290 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 21:56:13,291 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-12-13 21:56:13,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:56:13,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1790, now seen corresponding path program 1 times [2022-12-13 21:56:13,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:56:13,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394937001] [2022-12-13 21:56:13,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:56:13,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:56:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:13,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:56:13,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:56:13,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394937001] [2022-12-13 21:56:13,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394937001] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:56:13,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:56:13,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 21:56:13,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923963426] [2022-12-13 21:56:13,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:56:13,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 21:56:13,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:56:13,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 21:56:13,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 21:56:13,440 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 809 [2022-12-13 21:56:13,443 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 118 transitions, 248 flow. Second operand has 2 states, 2 states have (on average 333.5) internal successors, (667), 2 states have internal predecessors, (667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:13,443 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:56:13,443 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 809 [2022-12-13 21:56:13,444 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:56:13,573 INFO L130 PetriNetUnfolder]: 133/440 cut-off events. [2022-12-13 21:56:13,573 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2022-12-13 21:56:13,575 INFO L83 FinitePrefix]: Finished finitePrefix Result has 692 conditions, 440 events. 133/440 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2282 event pairs, 93 based on Foata normal form. 39/402 useless extension candidates. Maximal degree in co-relation 615. Up to 226 conditions per place. [2022-12-13 21:56:13,578 INFO L137 encePairwiseOnDemand]: 747/809 looper letters, 24 selfloop transitions, 0 changer transitions 1/56 dead transitions. [2022-12-13 21:56:13,578 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 56 transitions, 174 flow [2022-12-13 21:56:13,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 21:56:13,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 21:56:13,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 753 transitions. [2022-12-13 21:56:13,594 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.465389369592089 [2022-12-13 21:56:13,594 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 753 transitions. [2022-12-13 21:56:13,595 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 753 transitions. [2022-12-13 21:56:13,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:56:13,600 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 753 transitions. [2022-12-13 21:56:13,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 376.5) internal successors, (753), 2 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:13,613 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 809.0) internal successors, (2427), 3 states have internal predecessors, (2427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:13,615 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 809.0) internal successors, (2427), 3 states have internal predecessors, (2427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:13,617 INFO L175 Difference]: Start difference. First operand has 119 places, 118 transitions, 248 flow. Second operand 2 states and 753 transitions. [2022-12-13 21:56:13,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 56 transitions, 174 flow [2022-12-13 21:56:13,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 56 transitions, 166 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 21:56:13,622 INFO L231 Difference]: Finished difference. Result has 55 places, 55 transitions, 113 flow [2022-12-13 21:56:13,624 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=809, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=113, PETRI_PLACES=55, PETRI_TRANSITIONS=55} [2022-12-13 21:56:13,627 INFO L288 CegarLoopForPetriNet]: 119 programPoint places, -64 predicate places. [2022-12-13 21:56:13,628 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 55 transitions, 113 flow [2022-12-13 21:56:13,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 333.5) internal successors, (667), 2 states have internal predecessors, (667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:13,628 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:56:13,628 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 21:56:13,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 21:56:13,629 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-12-13 21:56:13,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:56:13,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1817817663, now seen corresponding path program 1 times [2022-12-13 21:56:13,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:56:13,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034063415] [2022-12-13 21:56:13,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:56:13,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:56:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:13,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:56:13,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:56:13,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034063415] [2022-12-13 21:56:13,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034063415] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:56:13,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:56:13,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:56:13,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46564327] [2022-12-13 21:56:13,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:56:13,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:56:13,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:56:13,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:56:13,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:56:13,771 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 809 [2022-12-13 21:56:13,772 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 55 transitions, 113 flow. Second operand has 3 states, 3 states have (on average 326.0) internal successors, (978), 3 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:13,772 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:56:13,773 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 809 [2022-12-13 21:56:13,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:56:13,906 INFO L130 PetriNetUnfolder]: 198/503 cut-off events. [2022-12-13 21:56:13,906 INFO L131 PetriNetUnfolder]: For 4/17 co-relation queries the response was YES. [2022-12-13 21:56:13,907 INFO L83 FinitePrefix]: Finished finitePrefix Result has 854 conditions, 503 events. 198/503 cut-off events. For 4/17 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2267 event pairs, 69 based on Foata normal form. 1/446 useless extension candidates. Maximal degree in co-relation 851. Up to 309 conditions per place. [2022-12-13 21:56:13,909 INFO L137 encePairwiseOnDemand]: 802/809 looper letters, 32 selfloop transitions, 4 changer transitions 0/60 dead transitions. [2022-12-13 21:56:13,909 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 60 transitions, 196 flow [2022-12-13 21:56:13,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:56:13,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 21:56:13,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1011 transitions. [2022-12-13 21:56:13,913 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.41656365883807167 [2022-12-13 21:56:13,913 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1011 transitions. [2022-12-13 21:56:13,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1011 transitions. [2022-12-13 21:56:13,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:56:13,914 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1011 transitions. [2022-12-13 21:56:13,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 337.0) internal successors, (1011), 3 states have internal predecessors, (1011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:13,922 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 809.0) internal successors, (3236), 4 states have internal predecessors, (3236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:13,923 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 809.0) internal successors, (3236), 4 states have internal predecessors, (3236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:13,924 INFO L175 Difference]: Start difference. First operand has 55 places, 55 transitions, 113 flow. Second operand 3 states and 1011 transitions. [2022-12-13 21:56:13,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 60 transitions, 196 flow [2022-12-13 21:56:13,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 60 transitions, 196 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 21:56:13,925 INFO L231 Difference]: Finished difference. Result has 54 places, 55 transitions, 131 flow [2022-12-13 21:56:13,926 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=809, PETRI_DIFFERENCE_MINUEND_FLOW=107, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=131, PETRI_PLACES=54, PETRI_TRANSITIONS=55} [2022-12-13 21:56:13,926 INFO L288 CegarLoopForPetriNet]: 119 programPoint places, -65 predicate places. [2022-12-13 21:56:13,926 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 55 transitions, 131 flow [2022-12-13 21:56:13,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 326.0) internal successors, (978), 3 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:13,927 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:56:13,927 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:56:13,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 21:56:13,928 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-12-13 21:56:13,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:56:13,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1128956292, now seen corresponding path program 1 times [2022-12-13 21:56:13,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:56:13,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588179226] [2022-12-13 21:56:13,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:56:13,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:56:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:13,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:56:13,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:56:13,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588179226] [2022-12-13 21:56:13,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588179226] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:56:13,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:56:13,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:56:13,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500094343] [2022-12-13 21:56:13,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:56:13,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:56:13,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:56:13,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:56:13,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:56:14,002 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 809 [2022-12-13 21:56:14,003 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 55 transitions, 131 flow. Second operand has 3 states, 3 states have (on average 325.0) internal successors, (975), 3 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:14,004 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:56:14,004 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 809 [2022-12-13 21:56:14,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:56:14,095 INFO L130 PetriNetUnfolder]: 162/462 cut-off events. [2022-12-13 21:56:14,095 INFO L131 PetriNetUnfolder]: For 49/85 co-relation queries the response was YES. [2022-12-13 21:56:14,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 819 conditions, 462 events. 162/462 cut-off events. For 49/85 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2177 event pairs, 115 based on Foata normal form. 0/403 useless extension candidates. Maximal degree in co-relation 815. Up to 266 conditions per place. [2022-12-13 21:56:14,097 INFO L137 encePairwiseOnDemand]: 807/809 looper letters, 26 selfloop transitions, 1 changer transitions 0/54 dead transitions. [2022-12-13 21:56:14,097 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 54 transitions, 183 flow [2022-12-13 21:56:14,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:56:14,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 21:56:14,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 995 transitions. [2022-12-13 21:56:14,099 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4099711578079934 [2022-12-13 21:56:14,099 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 995 transitions. [2022-12-13 21:56:14,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 995 transitions. [2022-12-13 21:56:14,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:56:14,100 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 995 transitions. [2022-12-13 21:56:14,101 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 331.6666666666667) internal successors, (995), 3 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:14,104 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 809.0) internal successors, (3236), 4 states have internal predecessors, (3236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:14,105 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 809.0) internal successors, (3236), 4 states have internal predecessors, (3236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:14,105 INFO L175 Difference]: Start difference. First operand has 54 places, 55 transitions, 131 flow. Second operand 3 states and 995 transitions. [2022-12-13 21:56:14,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 54 transitions, 183 flow [2022-12-13 21:56:14,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 54 transitions, 179 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 21:56:14,107 INFO L231 Difference]: Finished difference. Result has 54 places, 54 transitions, 127 flow [2022-12-13 21:56:14,107 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=809, PETRI_DIFFERENCE_MINUEND_FLOW=125, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=127, PETRI_PLACES=54, PETRI_TRANSITIONS=54} [2022-12-13 21:56:14,108 INFO L288 CegarLoopForPetriNet]: 119 programPoint places, -65 predicate places. [2022-12-13 21:56:14,108 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 54 transitions, 127 flow [2022-12-13 21:56:14,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.0) internal successors, (975), 3 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:14,109 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:56:14,109 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:56:14,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 21:56:14,109 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-12-13 21:56:14,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:56:14,110 INFO L85 PathProgramCache]: Analyzing trace with hash -431527255, now seen corresponding path program 1 times [2022-12-13 21:56:14,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:56:14,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431899152] [2022-12-13 21:56:14,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:56:14,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:56:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:14,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:56:14,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:56:14,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431899152] [2022-12-13 21:56:14,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431899152] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:56:14,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:56:14,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 21:56:14,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233413490] [2022-12-13 21:56:14,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:56:14,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 21:56:14,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:56:14,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:56:14,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:56:14,718 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 809 [2022-12-13 21:56:14,721 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 54 transitions, 127 flow. Second operand has 6 states, 6 states have (on average 317.8333333333333) internal successors, (1907), 6 states have internal predecessors, (1907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:14,721 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:56:14,721 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 809 [2022-12-13 21:56:14,721 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:56:15,170 INFO L130 PetriNetUnfolder]: 445/807 cut-off events. [2022-12-13 21:56:15,171 INFO L131 PetriNetUnfolder]: For 129/129 co-relation queries the response was YES. [2022-12-13 21:56:15,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1667 conditions, 807 events. 445/807 cut-off events. For 129/129 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 3918 event pairs, 37 based on Foata normal form. 0/678 useless extension candidates. Maximal degree in co-relation 1662. Up to 242 conditions per place. [2022-12-13 21:56:15,174 INFO L137 encePairwiseOnDemand]: 804/809 looper letters, 86 selfloop transitions, 4 changer transitions 0/113 dead transitions. [2022-12-13 21:56:15,174 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 113 transitions, 465 flow [2022-12-13 21:56:15,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 21:56:15,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 21:56:15,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1977 transitions. [2022-12-13 21:56:15,177 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4072929542645241 [2022-12-13 21:56:15,177 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1977 transitions. [2022-12-13 21:56:15,178 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1977 transitions. [2022-12-13 21:56:15,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:56:15,178 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1977 transitions. [2022-12-13 21:56:15,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 329.5) internal successors, (1977), 6 states have internal predecessors, (1977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:15,186 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 809.0) internal successors, (5663), 7 states have internal predecessors, (5663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:15,187 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 809.0) internal successors, (5663), 7 states have internal predecessors, (5663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:15,187 INFO L175 Difference]: Start difference. First operand has 54 places, 54 transitions, 127 flow. Second operand 6 states and 1977 transitions. [2022-12-13 21:56:15,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 113 transitions, 465 flow [2022-12-13 21:56:15,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 113 transitions, 464 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 21:56:15,189 INFO L231 Difference]: Finished difference. Result has 57 places, 53 transitions, 132 flow [2022-12-13 21:56:15,189 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=809, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=132, PETRI_PLACES=57, PETRI_TRANSITIONS=53} [2022-12-13 21:56:15,190 INFO L288 CegarLoopForPetriNet]: 119 programPoint places, -62 predicate places. [2022-12-13 21:56:15,190 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 53 transitions, 132 flow [2022-12-13 21:56:15,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 317.8333333333333) internal successors, (1907), 6 states have internal predecessors, (1907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:15,191 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:56:15,191 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:56:15,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 21:56:15,191 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-12-13 21:56:15,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:56:15,191 INFO L85 PathProgramCache]: Analyzing trace with hash 338671035, now seen corresponding path program 1 times [2022-12-13 21:56:15,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:56:15,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079254399] [2022-12-13 21:56:15,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:56:15,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:56:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:15,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:56:15,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:56:15,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079254399] [2022-12-13 21:56:15,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079254399] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:56:15,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:56:15,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:56:15,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127625585] [2022-12-13 21:56:15,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:56:15,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:56:15,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:56:15,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:56:15,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:56:15,408 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 320 out of 809 [2022-12-13 21:56:15,410 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 53 transitions, 132 flow. Second operand has 5 states, 5 states have (on average 321.2) internal successors, (1606), 5 states have internal predecessors, (1606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:15,410 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:56:15,410 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 320 of 809 [2022-12-13 21:56:15,411 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:56:15,592 INFO L130 PetriNetUnfolder]: 183/524 cut-off events. [2022-12-13 21:56:15,592 INFO L131 PetriNetUnfolder]: For 87/94 co-relation queries the response was YES. [2022-12-13 21:56:15,593 INFO L83 FinitePrefix]: Finished finitePrefix Result has 995 conditions, 524 events. 183/524 cut-off events. For 87/94 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2711 event pairs, 109 based on Foata normal form. 1/456 useless extension candidates. Maximal degree in co-relation 990. Up to 204 conditions per place. [2022-12-13 21:56:15,595 INFO L137 encePairwiseOnDemand]: 803/809 looper letters, 42 selfloop transitions, 5 changer transitions 0/74 dead transitions. [2022-12-13 21:56:15,595 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 74 transitions, 286 flow [2022-12-13 21:56:15,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 21:56:15,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 21:56:15,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1965 transitions. [2022-12-13 21:56:15,600 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.40482076637824477 [2022-12-13 21:56:15,600 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1965 transitions. [2022-12-13 21:56:15,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1965 transitions. [2022-12-13 21:56:15,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:56:15,601 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1965 transitions. [2022-12-13 21:56:15,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 327.5) internal successors, (1965), 6 states have internal predecessors, (1965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:15,613 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 809.0) internal successors, (5663), 7 states have internal predecessors, (5663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:15,616 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 809.0) internal successors, (5663), 7 states have internal predecessors, (5663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:15,616 INFO L175 Difference]: Start difference. First operand has 57 places, 53 transitions, 132 flow. Second operand 6 states and 1965 transitions. [2022-12-13 21:56:15,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 74 transitions, 286 flow [2022-12-13 21:56:15,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 74 transitions, 275 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 21:56:15,618 INFO L231 Difference]: Finished difference. Result has 61 places, 56 transitions, 157 flow [2022-12-13 21:56:15,618 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=809, PETRI_DIFFERENCE_MINUEND_FLOW=125, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=157, PETRI_PLACES=61, PETRI_TRANSITIONS=56} [2022-12-13 21:56:15,619 INFO L288 CegarLoopForPetriNet]: 119 programPoint places, -58 predicate places. [2022-12-13 21:56:15,619 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 56 transitions, 157 flow [2022-12-13 21:56:15,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 321.2) internal successors, (1606), 5 states have internal predecessors, (1606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:15,620 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:56:15,620 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:56:15,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 21:56:15,621 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-12-13 21:56:15,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:56:15,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1444657017, now seen corresponding path program 1 times [2022-12-13 21:56:15,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:56:15,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946091410] [2022-12-13 21:56:15,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:56:15,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:56:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:15,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 21:56:15,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:56:15,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946091410] [2022-12-13 21:56:15,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946091410] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:56:15,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:56:15,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 21:56:15,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838320830] [2022-12-13 21:56:15,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:56:15,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 21:56:15,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:56:15,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:56:15,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:56:16,171 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 809 [2022-12-13 21:56:16,173 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 56 transitions, 157 flow. Second operand has 6 states, 6 states have (on average 312.0) internal successors, (1872), 6 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:16,173 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:56:16,173 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 809 [2022-12-13 21:56:16,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:56:16,435 INFO L130 PetriNetUnfolder]: 293/646 cut-off events. [2022-12-13 21:56:16,435 INFO L131 PetriNetUnfolder]: For 103/103 co-relation queries the response was YES. [2022-12-13 21:56:16,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1350 conditions, 646 events. 293/646 cut-off events. For 103/103 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2927 event pairs, 79 based on Foata normal form. 0/568 useless extension candidates. Maximal degree in co-relation 1342. Up to 226 conditions per place. [2022-12-13 21:56:16,440 INFO L137 encePairwiseOnDemand]: 802/809 looper letters, 60 selfloop transitions, 5 changer transitions 0/82 dead transitions. [2022-12-13 21:56:16,440 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 82 transitions, 359 flow [2022-12-13 21:56:16,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 21:56:16,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 21:56:16,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1922 transitions. [2022-12-13 21:56:16,448 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.39596209311907704 [2022-12-13 21:56:16,448 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1922 transitions. [2022-12-13 21:56:16,448 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1922 transitions. [2022-12-13 21:56:16,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:56:16,450 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1922 transitions. [2022-12-13 21:56:16,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 320.3333333333333) internal successors, (1922), 6 states have internal predecessors, (1922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:16,464 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 809.0) internal successors, (5663), 7 states have internal predecessors, (5663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:16,467 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 809.0) internal successors, (5663), 7 states have internal predecessors, (5663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:16,467 INFO L175 Difference]: Start difference. First operand has 61 places, 56 transitions, 157 flow. Second operand 6 states and 1922 transitions. [2022-12-13 21:56:16,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 82 transitions, 359 flow [2022-12-13 21:56:16,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 82 transitions, 356 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-12-13 21:56:16,471 INFO L231 Difference]: Finished difference. Result has 63 places, 54 transitions, 160 flow [2022-12-13 21:56:16,471 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=809, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=160, PETRI_PLACES=63, PETRI_TRANSITIONS=54} [2022-12-13 21:56:16,472 INFO L288 CegarLoopForPetriNet]: 119 programPoint places, -56 predicate places. [2022-12-13 21:56:16,472 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 54 transitions, 160 flow [2022-12-13 21:56:16,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 312.0) internal successors, (1872), 6 states have internal predecessors, (1872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:16,473 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:56:16,473 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] [2022-12-13 21:56:16,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 21:56:16,474 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2022-12-13 21:56:16,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:56:16,474 INFO L85 PathProgramCache]: Analyzing trace with hash -81599653, now seen corresponding path program 1 times [2022-12-13 21:56:16,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:56:16,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084243094] [2022-12-13 21:56:16,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:56:16,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:56:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:56:16,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:56:16,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:56:16,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084243094] [2022-12-13 21:56:16,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084243094] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:56:16,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:56:16,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 21:56:16,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362323236] [2022-12-13 21:56:16,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:56:16,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 21:56:16,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:56:16,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:56:16,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:56:17,005 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 809 [2022-12-13 21:56:17,007 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 54 transitions, 160 flow. Second operand has 6 states, 6 states have (on average 318.3333333333333) internal successors, (1910), 6 states have internal predecessors, (1910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:17,007 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:56:17,007 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 809 [2022-12-13 21:56:17,007 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:56:17,248 INFO L130 PetriNetUnfolder]: 213/558 cut-off events. [2022-12-13 21:56:17,248 INFO L131 PetriNetUnfolder]: For 97/97 co-relation queries the response was YES. [2022-12-13 21:56:17,249 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1159 conditions, 558 events. 213/558 cut-off events. For 97/97 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2765 event pairs, 121 based on Foata normal form. 0/496 useless extension candidates. Maximal degree in co-relation 1151. Up to 297 conditions per place. [2022-12-13 21:56:17,249 INFO L137 encePairwiseOnDemand]: 804/809 looper letters, 0 selfloop transitions, 0 changer transitions 69/69 dead transitions. [2022-12-13 21:56:17,249 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 69 transitions, 304 flow [2022-12-13 21:56:17,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 21:56:17,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 21:56:17,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1941 transitions. [2022-12-13 21:56:17,252 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.399876390605686 [2022-12-13 21:56:17,252 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1941 transitions. [2022-12-13 21:56:17,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1941 transitions. [2022-12-13 21:56:17,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:56:17,252 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1941 transitions. [2022-12-13 21:56:17,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 323.5) internal successors, (1941), 6 states have internal predecessors, (1941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:17,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 809.0) internal successors, (5663), 7 states have internal predecessors, (5663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:17,259 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 809.0) internal successors, (5663), 7 states have internal predecessors, (5663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:17,259 INFO L175 Difference]: Start difference. First operand has 63 places, 54 transitions, 160 flow. Second operand 6 states and 1941 transitions. [2022-12-13 21:56:17,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 69 transitions, 304 flow [2022-12-13 21:56:17,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 69 transitions, 294 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 21:56:17,260 INFO L231 Difference]: Finished difference. Result has 62 places, 0 transitions, 0 flow [2022-12-13 21:56:17,260 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=809, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=62, PETRI_TRANSITIONS=0} [2022-12-13 21:56:17,261 INFO L288 CegarLoopForPetriNet]: 119 programPoint places, -57 predicate places. [2022-12-13 21:56:17,261 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 0 transitions, 0 flow [2022-12-13 21:56:17,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 318.3333333333333) internal successors, (1910), 6 states have internal predecessors, (1910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 21:56:17,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (118 of 119 remaining) [2022-12-13 21:56:17,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (117 of 119 remaining) [2022-12-13 21:56:17,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (116 of 119 remaining) [2022-12-13 21:56:17,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (115 of 119 remaining) [2022-12-13 21:56:17,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (114 of 119 remaining) [2022-12-13 21:56:17,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (113 of 119 remaining) [2022-12-13 21:56:17,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (112 of 119 remaining) [2022-12-13 21:56:17,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (111 of 119 remaining) [2022-12-13 21:56:17,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (110 of 119 remaining) [2022-12-13 21:56:17,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (109 of 119 remaining) [2022-12-13 21:56:17,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (108 of 119 remaining) [2022-12-13 21:56:17,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (107 of 119 remaining) [2022-12-13 21:56:17,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (106 of 119 remaining) [2022-12-13 21:56:17,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (105 of 119 remaining) [2022-12-13 21:56:17,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (104 of 119 remaining) [2022-12-13 21:56:17,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (103 of 119 remaining) [2022-12-13 21:56:17,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (102 of 119 remaining) [2022-12-13 21:56:17,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (101 of 119 remaining) [2022-12-13 21:56:17,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (100 of 119 remaining) [2022-12-13 21:56:17,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (99 of 119 remaining) [2022-12-13 21:56:17,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (98 of 119 remaining) [2022-12-13 21:56:17,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (97 of 119 remaining) [2022-12-13 21:56:17,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (96 of 119 remaining) [2022-12-13 21:56:17,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (95 of 119 remaining) [2022-12-13 21:56:17,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (94 of 119 remaining) [2022-12-13 21:56:17,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (93 of 119 remaining) [2022-12-13 21:56:17,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (92 of 119 remaining) [2022-12-13 21:56:17,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (91 of 119 remaining) [2022-12-13 21:56:17,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (90 of 119 remaining) [2022-12-13 21:56:17,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (89 of 119 remaining) [2022-12-13 21:56:17,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (88 of 119 remaining) [2022-12-13 21:56:17,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (87 of 119 remaining) [2022-12-13 21:56:17,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (86 of 119 remaining) [2022-12-13 21:56:17,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (85 of 119 remaining) [2022-12-13 21:56:17,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (84 of 119 remaining) [2022-12-13 21:56:17,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (83 of 119 remaining) [2022-12-13 21:56:17,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (82 of 119 remaining) [2022-12-13 21:56:17,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (81 of 119 remaining) [2022-12-13 21:56:17,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (80 of 119 remaining) [2022-12-13 21:56:17,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (79 of 119 remaining) [2022-12-13 21:56:17,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (78 of 119 remaining) [2022-12-13 21:56:17,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (77 of 119 remaining) [2022-12-13 21:56:17,266 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (76 of 119 remaining) [2022-12-13 21:56:17,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (75 of 119 remaining) [2022-12-13 21:56:17,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (74 of 119 remaining) [2022-12-13 21:56:17,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (73 of 119 remaining) [2022-12-13 21:56:17,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (72 of 119 remaining) [2022-12-13 21:56:17,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (71 of 119 remaining) [2022-12-13 21:56:17,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (70 of 119 remaining) [2022-12-13 21:56:17,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (69 of 119 remaining) [2022-12-13 21:56:17,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (68 of 119 remaining) [2022-12-13 21:56:17,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (67 of 119 remaining) [2022-12-13 21:56:17,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (66 of 119 remaining) [2022-12-13 21:56:17,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (65 of 119 remaining) [2022-12-13 21:56:17,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (64 of 119 remaining) [2022-12-13 21:56:17,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (63 of 119 remaining) [2022-12-13 21:56:17,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (62 of 119 remaining) [2022-12-13 21:56:17,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (61 of 119 remaining) [2022-12-13 21:56:17,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (60 of 119 remaining) [2022-12-13 21:56:17,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (59 of 119 remaining) [2022-12-13 21:56:17,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (58 of 119 remaining) [2022-12-13 21:56:17,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (57 of 119 remaining) [2022-12-13 21:56:17,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (56 of 119 remaining) [2022-12-13 21:56:17,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (55 of 119 remaining) [2022-12-13 21:56:17,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (54 of 119 remaining) [2022-12-13 21:56:17,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (53 of 119 remaining) [2022-12-13 21:56:17,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (52 of 119 remaining) [2022-12-13 21:56:17,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (51 of 119 remaining) [2022-12-13 21:56:17,268 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (50 of 119 remaining) [2022-12-13 21:56:17,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 119 remaining) [2022-12-13 21:56:17,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 119 remaining) [2022-12-13 21:56:17,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 119 remaining) [2022-12-13 21:56:17,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (46 of 119 remaining) [2022-12-13 21:56:17,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (45 of 119 remaining) [2022-12-13 21:56:17,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (44 of 119 remaining) [2022-12-13 21:56:17,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (43 of 119 remaining) [2022-12-13 21:56:17,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (42 of 119 remaining) [2022-12-13 21:56:17,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (41 of 119 remaining) [2022-12-13 21:56:17,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (40 of 119 remaining) [2022-12-13 21:56:17,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (39 of 119 remaining) [2022-12-13 21:56:17,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (38 of 119 remaining) [2022-12-13 21:56:17,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (37 of 119 remaining) [2022-12-13 21:56:17,269 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (36 of 119 remaining) [2022-12-13 21:56:17,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (35 of 119 remaining) [2022-12-13 21:56:17,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (34 of 119 remaining) [2022-12-13 21:56:17,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (33 of 119 remaining) [2022-12-13 21:56:17,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (32 of 119 remaining) [2022-12-13 21:56:17,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (31 of 119 remaining) [2022-12-13 21:56:17,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (30 of 119 remaining) [2022-12-13 21:56:17,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (29 of 119 remaining) [2022-12-13 21:56:17,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (28 of 119 remaining) [2022-12-13 21:56:17,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (27 of 119 remaining) [2022-12-13 21:56:17,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (26 of 119 remaining) [2022-12-13 21:56:17,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (25 of 119 remaining) [2022-12-13 21:56:17,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (24 of 119 remaining) [2022-12-13 21:56:17,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (23 of 119 remaining) [2022-12-13 21:56:17,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (22 of 119 remaining) [2022-12-13 21:56:17,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (21 of 119 remaining) [2022-12-13 21:56:17,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (20 of 119 remaining) [2022-12-13 21:56:17,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (19 of 119 remaining) [2022-12-13 21:56:17,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (18 of 119 remaining) [2022-12-13 21:56:17,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (17 of 119 remaining) [2022-12-13 21:56:17,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (16 of 119 remaining) [2022-12-13 21:56:17,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (15 of 119 remaining) [2022-12-13 21:56:17,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (14 of 119 remaining) [2022-12-13 21:56:17,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (13 of 119 remaining) [2022-12-13 21:56:17,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (12 of 119 remaining) [2022-12-13 21:56:17,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (11 of 119 remaining) [2022-12-13 21:56:17,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (10 of 119 remaining) [2022-12-13 21:56:17,271 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (9 of 119 remaining) [2022-12-13 21:56:17,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (8 of 119 remaining) [2022-12-13 21:56:17,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (7 of 119 remaining) [2022-12-13 21:56:17,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (6 of 119 remaining) [2022-12-13 21:56:17,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (5 of 119 remaining) [2022-12-13 21:56:17,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (4 of 119 remaining) [2022-12-13 21:56:17,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (3 of 119 remaining) [2022-12-13 21:56:17,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (2 of 119 remaining) [2022-12-13 21:56:17,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (1 of 119 remaining) [2022-12-13 21:56:17,272 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (0 of 119 remaining) [2022-12-13 21:56:17,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 21:56:17,272 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:56:17,277 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 21:56:17,277 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:56:17,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:56:17 BasicIcfg [2022-12-13 21:56:17,279 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:56:17,280 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:56:17,280 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:56:17,280 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:56:17,280 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:55:59" (3/4) ... [2022-12-13 21:56:17,282 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 21:56:17,286 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 21:56:17,286 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 21:56:17,289 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-12-13 21:56:17,290 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 21:56:17,290 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 21:56:17,290 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 21:56:17,323 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_574d143e-508e-4d43-88a7-a6e3a0752118/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 21:56:17,323 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:56:17,324 INFO L158 Benchmark]: Toolchain (without parser) took 19205.81ms. Allocated memory was 121.6MB in the beginning and 188.7MB in the end (delta: 67.1MB). Free memory was 82.3MB in the beginning and 108.0MB in the end (delta: -25.7MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2022-12-13 21:56:17,324 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 121.6MB. Free memory is still 91.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:56:17,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.84ms. Allocated memory is still 121.6MB. Free memory was 81.9MB in the beginning and 67.9MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 21:56:17,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.86ms. Allocated memory is still 121.6MB. Free memory was 67.9MB in the beginning and 64.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:56:17,325 INFO L158 Benchmark]: Boogie Preprocessor took 42.33ms. Allocated memory is still 121.6MB. Free memory was 64.4MB in the beginning and 61.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:56:17,325 INFO L158 Benchmark]: RCFGBuilder took 866.41ms. Allocated memory was 121.6MB in the beginning and 188.7MB in the end (delta: 67.1MB). Free memory was 61.6MB in the beginning and 96.1MB in the end (delta: -34.5MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2022-12-13 21:56:17,326 INFO L158 Benchmark]: TraceAbstraction took 17979.49ms. Allocated memory is still 188.7MB. Free memory was 95.2MB in the beginning and 112.3MB in the end (delta: -17.0MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2022-12-13 21:56:17,326 INFO L158 Benchmark]: Witness Printer took 43.46ms. Allocated memory is still 188.7MB. Free memory was 112.3MB in the beginning and 108.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:56:17,328 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 121.6MB. Free memory is still 91.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.84ms. Allocated memory is still 121.6MB. Free memory was 81.9MB in the beginning and 67.9MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.86ms. Allocated memory is still 121.6MB. Free memory was 67.9MB in the beginning and 64.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.33ms. Allocated memory is still 121.6MB. Free memory was 64.4MB in the beginning and 61.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 866.41ms. Allocated memory was 121.6MB in the beginning and 188.7MB in the end (delta: 67.1MB). Free memory was 61.6MB in the beginning and 96.1MB in the end (delta: -34.5MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. * TraceAbstraction took 17979.49ms. Allocated memory is still 188.7MB. Free memory was 95.2MB in the beginning and 112.3MB in the end (delta: -17.0MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. * Witness Printer took 43.46ms. Allocated memory is still 188.7MB. Free memory was 112.3MB in the beginning and 108.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.7s, 357 PlacesBefore, 119 PlacesAfterwards, 365 TransitionsBefore, 118 TransitionsAfterwards, 11388 CoEnabledTransitionPairs, 9 FixpointIterations, 258 TrivialSequentialCompositions, 128 ConcurrentSequentialCompositions, 21 TrivialYvCompositions, 8 ConcurrentYvCompositions, 9 ChoiceCompositions, 424 TotalNumberOfCompositions, 59995 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 18463, independent: 17406, independent conditional: 0, independent unconditional: 17406, dependent: 1057, dependent conditional: 0, dependent unconditional: 1057, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5552, independent: 5425, independent conditional: 0, independent unconditional: 5425, dependent: 127, dependent conditional: 0, dependent unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 18463, independent: 11981, independent conditional: 0, independent unconditional: 11981, dependent: 930, dependent conditional: 0, dependent unconditional: 930, unknown: 5552, unknown conditional: 0, unknown unconditional: 5552] , Statistics on independence cache: Total cache size (in pairs): 777, Positive cache size: 705, Positive conditional cache size: 0, Positive unconditional cache size: 705, Negative cache size: 72, Negative conditional cache size: 0, Negative unconditional cache size: 72, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: 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: 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: 55]: 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: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: 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: 78]: 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: 78]: 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: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: 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: 97]: 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: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: 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 5 procedures, 490 locations, 119 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: 17.8s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 13.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 851 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 530 mSDsluCounter, 153 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 109 mSDsCounter, 307 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1580 IncrementalHoareTripleChecker+Invalid, 1887 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 307 mSolverCounterUnsat, 44 mSDtfsCounter, 1580 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=248occurred in iteration=0, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 73 ConstructedInterpolants, 0 QuantifiedInterpolants, 374 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 1/1 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 69 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 21:56:17,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_574d143e-508e-4d43-88a7-a6e3a0752118/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE