./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-min-max-inc-dec.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_786aca12-84b6-40af-a56a-998e4189e2fd/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786aca12-84b6-40af-a56a-998e4189e2fd/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_786aca12-84b6-40af-a56a-998e4189e2fd/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786aca12-84b6-40af-a56a-998e4189e2fd/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786aca12-84b6-40af-a56a-998e4189e2fd/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_786aca12-84b6-40af-a56a-998e4189e2fd/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 a1648913be4b4e88120f8ece4966a58804b334c451c87254dfc42f8e396f396f --- 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 21:36:35,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:36:35,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:36:35,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:36:35,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:36:35,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:36:35,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:36:35,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:36:35,490 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:36:35,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:36:35,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:36:35,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:36:35,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:36:35,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:36:35,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:36:35,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:36:35,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:36:35,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:36:35,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:36:35,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:36:35,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:36:35,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:36:35,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:36:35,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:36:35,528 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:36:35,528 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:36:35,528 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:36:35,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:36:35,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:36:35,531 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:36:35,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:36:35,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:36:35,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:36:35,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:36:35,534 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:36:35,534 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:36:35,534 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:36:35,535 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:36:35,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:36:35,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:36:35,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:36:35,537 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786aca12-84b6-40af-a56a-998e4189e2fd/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 21:36:35,557 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:36:35,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:36:35,557 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:36:35,558 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:36:35,558 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:36:35,558 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:36:35,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:36:35,559 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:36:35,559 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:36:35,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:36:35,560 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 21:36:35,560 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:36:35,560 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:36:35,560 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 21:36:35,560 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:36:35,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:36:35,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:36:35,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:36:35,561 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 21:36:35,561 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 21:36:35,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:36:35,561 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:36:35,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:36:35,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:36:35,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:36:35,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:36:35,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:36:35,562 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:36:35,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:36:35,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:36:35,563 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:36:35,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 21:36:35,563 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:36:35,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:36:35,564 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:36:35,564 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:36:35,564 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:36:35,564 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_786aca12-84b6-40af-a56a-998e4189e2fd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786aca12-84b6-40af-a56a-998e4189e2fd/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1648913be4b4e88120f8ece4966a58804b334c451c87254dfc42f8e396f396f [2022-12-13 21:36:35,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:36:35,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:36:35,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:36:35,777 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:36:35,777 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:36:35,778 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786aca12-84b6-40af-a56a-998e4189e2fd/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c [2022-12-13 21:36:38,383 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:36:38,519 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:36:38,519 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786aca12-84b6-40af-a56a-998e4189e2fd/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c [2022-12-13 21:36:38,526 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786aca12-84b6-40af-a56a-998e4189e2fd/bin/uautomizer-uyxdKDjOR8/data/df0b7eec1/0ab3e47358a14d869025d1a3be8706f9/FLAGca4616502 [2022-12-13 21:36:38,928 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786aca12-84b6-40af-a56a-998e4189e2fd/bin/uautomizer-uyxdKDjOR8/data/df0b7eec1/0ab3e47358a14d869025d1a3be8706f9 [2022-12-13 21:36:38,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:36:38,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:36:38,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:36:38,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:36:38,936 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:36:38,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:36:38" (1/1) ... [2022-12-13 21:36:38,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@727fe29a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:36:38, skipping insertion in model container [2022-12-13 21:36:38,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:36:38" (1/1) ... [2022-12-13 21:36:38,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:36:38,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:36:39,056 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:36:39,062 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:36:39,062 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:36:39,063 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:36:39,064 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:36:39,066 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:36:39,069 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:36:39,070 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:36:39,070 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:36:39,070 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:36:39,071 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:36:39,073 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:36:39,074 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:36:39,077 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:36:39,078 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:36:39,081 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:36:39,081 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:36:39,083 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:36:39,089 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_786aca12-84b6-40af-a56a-998e4189e2fd/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c[3271,3284] [2022-12-13 21:36:39,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:36:39,099 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:36:39,108 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:36:39,109 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:36:39,109 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:36:39,110 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:36:39,110 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:36:39,112 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:36:39,112 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:36:39,113 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:36:39,113 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:36:39,114 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:36:39,114 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:36:39,116 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:36:39,117 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:36:39,119 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:36:39,119 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:36:39,121 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:36:39,122 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 21:36:39,123 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 21:36:39,129 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_786aca12-84b6-40af-a56a-998e4189e2fd/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c[3271,3284] [2022-12-13 21:36:39,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:36:39,142 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:36:39,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:36:39 WrapperNode [2022-12-13 21:36:39,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:36:39,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:36:39,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:36:39,143 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:36:39,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:36:39" (1/1) ... [2022-12-13 21:36:39,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:36:39" (1/1) ... [2022-12-13 21:36:39,193 INFO L138 Inliner]: procedures = 27, calls = 75, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 266 [2022-12-13 21:36:39,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:36:39,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:36:39,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:36:39,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:36:39,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:36:39" (1/1) ... [2022-12-13 21:36:39,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:36:39" (1/1) ... [2022-12-13 21:36:39,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:36:39" (1/1) ... [2022-12-13 21:36:39,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:36:39" (1/1) ... [2022-12-13 21:36:39,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:36:39" (1/1) ... [2022-12-13 21:36:39,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:36:39" (1/1) ... [2022-12-13 21:36:39,244 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:36:39" (1/1) ... [2022-12-13 21:36:39,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:36:39" (1/1) ... [2022-12-13 21:36:39,254 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:36:39,255 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:36:39,255 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:36:39,255 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:36:39,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:36:39" (1/1) ... [2022-12-13 21:36:39,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:36:39,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786aca12-84b6-40af-a56a-998e4189e2fd/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:36:39,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786aca12-84b6-40af-a56a-998e4189e2fd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:36:39,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786aca12-84b6-40af-a56a-998e4189e2fd/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:36:39,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:36:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 21:36:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 21:36:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 21:36:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 21:36:39,315 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 21:36:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 21:36:39,315 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 21:36:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-13 21:36:39,315 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-13 21:36:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-12-13 21:36:39,315 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-12-13 21:36:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:36:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-12-13 21:36:39,316 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-12-13 21:36:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 21:36:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 21:36:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 21:36:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:36:39,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:36:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 21:36:39,317 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 21:36:39,406 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:36:39,408 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:36:39,893 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:36:40,183 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:36:40,183 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-13 21:36:40,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:36:40 BoogieIcfgContainer [2022-12-13 21:36:40,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:36:40,188 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:36:40,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:36:40,190 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:36:40,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:36:38" (1/3) ... [2022-12-13 21:36:40,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bbad71d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:36:40, skipping insertion in model container [2022-12-13 21:36:40,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:36:39" (2/3) ... [2022-12-13 21:36:40,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bbad71d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:36:40, skipping insertion in model container [2022-12-13 21:36:40,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:36:40" (3/3) ... [2022-12-13 21:36:40,193 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-min-max-inc-dec.wvr.c [2022-12-13 21:36:40,200 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 21:36:40,207 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:36:40,208 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 53 error locations. [2022-12-13 21:36:40,208 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 21:36:40,289 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2022-12-13 21:36:40,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 303 places, 301 transitions, 642 flow [2022-12-13 21:36:40,412 INFO L130 PetriNetUnfolder]: 14/296 cut-off events. [2022-12-13 21:36:40,412 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-12-13 21:36:40,419 INFO L83 FinitePrefix]: Finished finitePrefix Result has 317 conditions, 296 events. 14/296 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 425 event pairs, 0 based on Foata normal form. 0/229 useless extension candidates. Maximal degree in co-relation 221. Up to 2 conditions per place. [2022-12-13 21:36:40,419 INFO L82 GeneralOperation]: Start removeDead. Operand has 303 places, 301 transitions, 642 flow [2022-12-13 21:36:40,426 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 275 places, 272 transitions, 574 flow [2022-12-13 21:36:40,430 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 21:36:40,441 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 275 places, 272 transitions, 574 flow [2022-12-13 21:36:40,444 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 275 places, 272 transitions, 574 flow [2022-12-13 21:36:40,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 275 places, 272 transitions, 574 flow [2022-12-13 21:36:40,497 INFO L130 PetriNetUnfolder]: 13/272 cut-off events. [2022-12-13 21:36:40,497 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-12-13 21:36:40,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 293 conditions, 272 events. 13/272 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 423 event pairs, 0 based on Foata normal form. 0/207 useless extension candidates. Maximal degree in co-relation 221. Up to 2 conditions per place. [2022-12-13 21:36:40,502 INFO L119 LiptonReduction]: Number of co-enabled transitions 14642 [2022-12-13 21:36:51,337 INFO L134 LiptonReduction]: Checked pairs total: 100952 [2022-12-13 21:36:51,338 INFO L136 LiptonReduction]: Total number of compositions: 207 [2022-12-13 21:36:51,349 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:36:51,354 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;@72d6db65, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:36:51,354 INFO L358 AbstractCegarLoop]: Starting to check reachability of 100 error locations. [2022-12-13 21:36:51,355 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 21:36:51,355 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 21:36:51,355 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:36:51,355 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 21:36:51,356 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 96 more)] === [2022-12-13 21:36:51,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:36:51,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1517, now seen corresponding path program 1 times [2022-12-13 21:36:51,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:36:51,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414686385] [2022-12-13 21:36:51,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:36:51,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:36:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:36:51,438 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 21:36:51,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:36:51,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414686385] [2022-12-13 21:36:51,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414686385] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:36:51,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:36:51,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 21:36:51,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114158591] [2022-12-13 21:36:51,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:36:51,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 21:36:51,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:36:51,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 21:36:51,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 21:36:51,470 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 508 [2022-12-13 21:36:51,473 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 122 transitions, 274 flow. Second operand has 2 states, 2 states have (on average 234.5) internal successors, (469), 2 states have internal predecessors, (469), 0 states have call successors, (0), 0 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 21:36:51,473 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:36:51,473 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 508 [2022-12-13 21:36:51,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:36:53,024 INFO L130 PetriNetUnfolder]: 8030/13071 cut-off events. [2022-12-13 21:36:53,024 INFO L131 PetriNetUnfolder]: For 615/615 co-relation queries the response was YES. [2022-12-13 21:36:53,047 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23838 conditions, 13071 events. 8030/13071 cut-off events. For 615/615 co-relation queries the response was YES. Maximal size of possible extension queue 666. Compared 90404 event pairs, 5234 based on Foata normal form. 2772/13578 useless extension candidates. Maximal degree in co-relation 19854. Up to 9918 conditions per place. [2022-12-13 21:36:53,101 INFO L137 encePairwiseOnDemand]: 459/508 looper letters, 34 selfloop transitions, 0 changer transitions 3/73 dead transitions. [2022-12-13 21:36:53,101 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 73 transitions, 250 flow [2022-12-13 21:36:53,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 21:36:53,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 21:36:53,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 554 transitions. [2022-12-13 21:36:53,112 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5452755905511811 [2022-12-13 21:36:53,113 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 554 transitions. [2022-12-13 21:36:53,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 554 transitions. [2022-12-13 21:36:53,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:36:53,116 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 554 transitions. [2022-12-13 21:36:53,118 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 277.0) internal successors, (554), 2 states have internal predecessors, (554), 0 states have call successors, (0), 0 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 21:36:53,124 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 508.0) internal successors, (1524), 3 states have internal predecessors, (1524), 0 states have call successors, (0), 0 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 21:36:53,125 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 508.0) internal successors, (1524), 3 states have internal predecessors, (1524), 0 states have call successors, (0), 0 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 21:36:53,127 INFO L175 Difference]: Start difference. First operand has 129 places, 122 transitions, 274 flow. Second operand 2 states and 554 transitions. [2022-12-13 21:36:53,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 73 transitions, 250 flow [2022-12-13 21:36:53,172 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 73 transitions, 230 flow, removed 0 selfloop flow, removed 10 redundant places. [2022-12-13 21:36:53,175 INFO L231 Difference]: Finished difference. Result has 75 places, 70 transitions, 148 flow [2022-12-13 21:36:53,177 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=508, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=148, PETRI_PLACES=75, PETRI_TRANSITIONS=70} [2022-12-13 21:36:53,180 INFO L288 CegarLoopForPetriNet]: 129 programPoint places, -54 predicate places. [2022-12-13 21:36:53,180 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 70 transitions, 148 flow [2022-12-13 21:36:53,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 234.5) internal successors, (469), 2 states have internal predecessors, (469), 0 states have call successors, (0), 0 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 21:36:53,181 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:36:53,181 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:36:53,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 21:36:53,181 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 96 more)] === [2022-12-13 21:36:53,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:36:53,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1962262191, now seen corresponding path program 1 times [2022-12-13 21:36:53,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:36:53,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442842966] [2022-12-13 21:36:53,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:36:53,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:36:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:36:53,301 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 21:36:53,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:36:53,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442842966] [2022-12-13 21:36:53,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442842966] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:36:53,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:36:53,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:36:53,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758281662] [2022-12-13 21:36:53,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:36:53,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:36:53,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:36:53,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:36:53,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:36:53,320 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 508 [2022-12-13 21:36:53,320 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 70 transitions, 148 flow. Second operand has 3 states, 3 states have (on average 217.33333333333334) internal successors, (652), 3 states have internal predecessors, (652), 0 states have call successors, (0), 0 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 21:36:53,321 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:36:53,321 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 508 [2022-12-13 21:36:53,321 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:36:56,165 INFO L130 PetriNetUnfolder]: 24954/38000 cut-off events. [2022-12-13 21:36:56,165 INFO L131 PetriNetUnfolder]: For 360/360 co-relation queries the response was YES. [2022-12-13 21:36:56,209 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70586 conditions, 38000 events. 24954/38000 cut-off events. For 360/360 co-relation queries the response was YES. Maximal size of possible extension queue 1270. Compared 258632 event pairs, 20401 based on Foata normal form. 0/32145 useless extension candidates. Maximal degree in co-relation 70583. Up to 31460 conditions per place. [2022-12-13 21:36:56,331 INFO L137 encePairwiseOnDemand]: 503/508 looper letters, 39 selfloop transitions, 1 changer transitions 0/66 dead transitions. [2022-12-13 21:36:56,331 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 66 transitions, 220 flow [2022-12-13 21:36:56,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:36:56,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 21:36:56,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 689 transitions. [2022-12-13 21:36:56,333 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4520997375328084 [2022-12-13 21:36:56,333 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 689 transitions. [2022-12-13 21:36:56,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 689 transitions. [2022-12-13 21:36:56,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:36:56,334 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 689 transitions. [2022-12-13 21:36:56,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 229.66666666666666) internal successors, (689), 3 states have internal predecessors, (689), 0 states have call successors, (0), 0 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 21:36:56,337 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 508.0) internal successors, (2032), 4 states have internal predecessors, (2032), 0 states have call successors, (0), 0 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 21:36:56,338 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 508.0) internal successors, (2032), 4 states have internal predecessors, (2032), 0 states have call successors, (0), 0 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 21:36:56,338 INFO L175 Difference]: Start difference. First operand has 75 places, 70 transitions, 148 flow. Second operand 3 states and 689 transitions. [2022-12-13 21:36:56,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 66 transitions, 220 flow [2022-12-13 21:36:56,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 66 transitions, 220 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 21:36:56,339 INFO L231 Difference]: Finished difference. Result has 70 places, 66 transitions, 142 flow [2022-12-13 21:36:56,339 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=508, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=142, PETRI_PLACES=70, PETRI_TRANSITIONS=66} [2022-12-13 21:36:56,340 INFO L288 CegarLoopForPetriNet]: 129 programPoint places, -59 predicate places. [2022-12-13 21:36:56,340 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 66 transitions, 142 flow [2022-12-13 21:36:56,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 217.33333333333334) internal successors, (652), 3 states have internal predecessors, (652), 0 states have call successors, (0), 0 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 21:36:56,340 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:36:56,341 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 21:36:56,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 21:36:56,341 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 96 more)] === [2022-12-13 21:36:56,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:36:56,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1442320453, now seen corresponding path program 1 times [2022-12-13 21:36:56,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:36:56,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586977281] [2022-12-13 21:36:56,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:36:56,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:36:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:36:56,497 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 21:36:56,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:36:56,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586977281] [2022-12-13 21:36:56,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586977281] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:36:56,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:36:56,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:36:56,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422792125] [2022-12-13 21:36:56,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:36:56,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:36:56,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:36:56,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:36:56,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:36:56,526 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 230 out of 508 [2022-12-13 21:36:56,527 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 66 transitions, 142 flow. Second operand has 3 states, 3 states have (on average 234.0) internal successors, (702), 3 states have internal predecessors, (702), 0 states have call successors, (0), 0 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 21:36:56,528 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:36:56,528 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 230 of 508 [2022-12-13 21:36:56,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:36:57,559 INFO L130 PetriNetUnfolder]: 8028/12763 cut-off events. [2022-12-13 21:36:57,559 INFO L131 PetriNetUnfolder]: For 150/150 co-relation queries the response was YES. [2022-12-13 21:36:57,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23024 conditions, 12763 events. 8028/12763 cut-off events. For 150/150 co-relation queries the response was YES. Maximal size of possible extension queue 629. Compared 84998 event pairs, 5232 based on Foata normal form. 0/10640 useless extension candidates. Maximal degree in co-relation 23020. Up to 9911 conditions per place. [2022-12-13 21:36:57,603 INFO L137 encePairwiseOnDemand]: 505/508 looper letters, 33 selfloop transitions, 2 changer transitions 0/67 dead transitions. [2022-12-13 21:36:57,603 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 67 transitions, 214 flow [2022-12-13 21:36:57,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:36:57,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 21:36:57,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 726 transitions. [2022-12-13 21:36:57,605 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4763779527559055 [2022-12-13 21:36:57,605 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 726 transitions. [2022-12-13 21:36:57,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 726 transitions. [2022-12-13 21:36:57,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:36:57,605 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 726 transitions. [2022-12-13 21:36:57,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 242.0) internal successors, (726), 3 states have internal predecessors, (726), 0 states have call successors, (0), 0 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 21:36:57,608 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 508.0) internal successors, (2032), 4 states have internal predecessors, (2032), 0 states have call successors, (0), 0 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 21:36:57,609 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 508.0) internal successors, (2032), 4 states have internal predecessors, (2032), 0 states have call successors, (0), 0 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 21:36:57,609 INFO L175 Difference]: Start difference. First operand has 70 places, 66 transitions, 142 flow. Second operand 3 states and 726 transitions. [2022-12-13 21:36:57,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 67 transitions, 214 flow [2022-12-13 21:36:57,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 67 transitions, 213 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 21:36:57,611 INFO L231 Difference]: Finished difference. Result has 72 places, 67 transitions, 153 flow [2022-12-13 21:36:57,611 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=508, PETRI_DIFFERENCE_MINUEND_FLOW=141, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=153, PETRI_PLACES=72, PETRI_TRANSITIONS=67} [2022-12-13 21:36:57,612 INFO L288 CegarLoopForPetriNet]: 129 programPoint places, -57 predicate places. [2022-12-13 21:36:57,612 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 67 transitions, 153 flow [2022-12-13 21:36:57,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 234.0) internal successors, (702), 3 states have internal predecessors, (702), 0 states have call successors, (0), 0 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 21:36:57,613 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:36:57,613 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:36:57,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 21:36:57,613 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 96 more)] === [2022-12-13 21:36:57,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:36:57,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1339015095, now seen corresponding path program 1 times [2022-12-13 21:36:57,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:36:57,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721806502] [2022-12-13 21:36:57,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:36:57,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:36:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:36:57,980 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 21:36:57,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:36:57,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721806502] [2022-12-13 21:36:57,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721806502] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:36:57,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:36:57,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 21:36:57,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353540981] [2022-12-13 21:36:57,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:36:57,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 21:36:57,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:36:57,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:36:57,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:36:58,185 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 508 [2022-12-13 21:36:58,187 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 67 transitions, 153 flow. Second operand has 6 states, 6 states have (on average 224.0) internal successors, (1344), 6 states have internal predecessors, (1344), 0 states have call successors, (0), 0 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 21:36:58,187 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:36:58,187 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 508 [2022-12-13 21:36:58,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:37:02,546 INFO L130 PetriNetUnfolder]: 33890/43813 cut-off events. [2022-12-13 21:37:02,546 INFO L131 PetriNetUnfolder]: For 168/182 co-relation queries the response was YES. [2022-12-13 21:37:02,602 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85258 conditions, 43813 events. 33890/43813 cut-off events. For 168/182 co-relation queries the response was YES. Maximal size of possible extension queue 1909. Compared 240817 event pairs, 12108 based on Foata normal form. 4/37808 useless extension candidates. Maximal degree in co-relation 85253. Up to 27072 conditions per place. [2022-12-13 21:37:02,720 INFO L137 encePairwiseOnDemand]: 500/508 looper letters, 98 selfloop transitions, 13 changer transitions 0/137 dead transitions. [2022-12-13 21:37:02,720 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 137 transitions, 518 flow [2022-12-13 21:37:02,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 21:37:02,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 21:37:02,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1437 transitions. [2022-12-13 21:37:02,723 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4714566929133858 [2022-12-13 21:37:02,723 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1437 transitions. [2022-12-13 21:37:02,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1437 transitions. [2022-12-13 21:37:02,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:37:02,723 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1437 transitions. [2022-12-13 21:37:02,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 239.5) internal successors, (1437), 6 states have internal predecessors, (1437), 0 states have call successors, (0), 0 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 21:37:02,729 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 508.0) internal successors, (3556), 7 states have internal predecessors, (3556), 0 states have call successors, (0), 0 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 21:37:02,730 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 508.0) internal successors, (3556), 7 states have internal predecessors, (3556), 0 states have call successors, (0), 0 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 21:37:02,730 INFO L175 Difference]: Start difference. First operand has 72 places, 67 transitions, 153 flow. Second operand 6 states and 1437 transitions. [2022-12-13 21:37:02,730 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 137 transitions, 518 flow [2022-12-13 21:37:02,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 137 transitions, 514 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-12-13 21:37:02,732 INFO L231 Difference]: Finished difference. Result has 81 places, 79 transitions, 239 flow [2022-12-13 21:37:02,732 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=508, PETRI_DIFFERENCE_MINUEND_FLOW=149, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=239, PETRI_PLACES=81, PETRI_TRANSITIONS=79} [2022-12-13 21:37:02,732 INFO L288 CegarLoopForPetriNet]: 129 programPoint places, -48 predicate places. [2022-12-13 21:37:02,732 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 79 transitions, 239 flow [2022-12-13 21:37:02,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 224.0) internal successors, (1344), 6 states have internal predecessors, (1344), 0 states have call successors, (0), 0 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 21:37:02,733 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:37:02,733 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:37:02,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 21:37:02,733 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 96 more)] === [2022-12-13 21:37:02,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:37:02,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1235115573, now seen corresponding path program 1 times [2022-12-13 21:37:02,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:37:02,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647640633] [2022-12-13 21:37:02,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:37:02,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:37:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:03,106 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 21:37:03,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:37:03,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647640633] [2022-12-13 21:37:03,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647640633] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:37:03,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:37:03,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 21:37:03,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197981605] [2022-12-13 21:37:03,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:37:03,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 21:37:03,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:37:03,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 21:37:03,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-12-13 21:37:03,490 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 508 [2022-12-13 21:37:03,492 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 79 transitions, 239 flow. Second operand has 9 states, 9 states have (on average 219.22222222222223) internal successors, (1973), 9 states have internal predecessors, (1973), 0 states have call successors, (0), 0 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 21:37:03,492 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:37:03,492 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 508 [2022-12-13 21:37:03,492 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:37:08,267 INFO L130 PetriNetUnfolder]: 31710/42389 cut-off events. [2022-12-13 21:37:08,267 INFO L131 PetriNetUnfolder]: For 7324/7604 co-relation queries the response was YES. [2022-12-13 21:37:08,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96208 conditions, 42389 events. 31710/42389 cut-off events. For 7324/7604 co-relation queries the response was YES. Maximal size of possible extension queue 1869. Compared 245041 event pairs, 4742 based on Foata normal form. 440/37544 useless extension candidates. Maximal degree in co-relation 96199. Up to 13828 conditions per place. [2022-12-13 21:37:08,443 INFO L137 encePairwiseOnDemand]: 502/508 looper letters, 104 selfloop transitions, 8 changer transitions 0/138 dead transitions. [2022-12-13 21:37:08,443 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 138 transitions, 595 flow [2022-12-13 21:37:08,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 21:37:08,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-13 21:37:08,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1619 transitions. [2022-12-13 21:37:08,448 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.45528683914510687 [2022-12-13 21:37:08,449 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1619 transitions. [2022-12-13 21:37:08,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1619 transitions. [2022-12-13 21:37:08,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:37:08,450 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1619 transitions. [2022-12-13 21:37:08,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 231.28571428571428) internal successors, (1619), 7 states have internal predecessors, (1619), 0 states have call successors, (0), 0 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 21:37:08,460 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 508.0) internal successors, (4064), 8 states have internal predecessors, (4064), 0 states have call successors, (0), 0 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 21:37:08,461 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 508.0) internal successors, (4064), 8 states have internal predecessors, (4064), 0 states have call successors, (0), 0 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 21:37:08,461 INFO L175 Difference]: Start difference. First operand has 81 places, 79 transitions, 239 flow. Second operand 7 states and 1619 transitions. [2022-12-13 21:37:08,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 138 transitions, 595 flow [2022-12-13 21:37:08,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 138 transitions, 591 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 21:37:08,852 INFO L231 Difference]: Finished difference. Result has 85 places, 78 transitions, 247 flow [2022-12-13 21:37:08,852 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=508, PETRI_DIFFERENCE_MINUEND_FLOW=231, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=247, PETRI_PLACES=85, PETRI_TRANSITIONS=78} [2022-12-13 21:37:08,852 INFO L288 CegarLoopForPetriNet]: 129 programPoint places, -44 predicate places. [2022-12-13 21:37:08,852 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 78 transitions, 247 flow [2022-12-13 21:37:08,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 219.22222222222223) internal successors, (1973), 9 states have internal predecessors, (1973), 0 states have call successors, (0), 0 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 21:37:08,853 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:37:08,853 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:37:08,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 21:37:08,853 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 96 more)] === [2022-12-13 21:37:08,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:37:08,854 INFO L85 PathProgramCache]: Analyzing trace with hash -2013189148, now seen corresponding path program 1 times [2022-12-13 21:37:08,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:37:08,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352779877] [2022-12-13 21:37:08,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:37:08,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:37:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:08,939 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 21:37:08,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:37:08,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352779877] [2022-12-13 21:37:08,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352779877] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:37:08,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:37:08,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:37:08,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725272147] [2022-12-13 21:37:08,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:37:08,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:37:08,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:37:08,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:37:08,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:37:08,967 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 508 [2022-12-13 21:37:08,968 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 78 transitions, 247 flow. Second operand has 4 states, 4 states have (on average 233.5) internal successors, (934), 4 states have internal predecessors, (934), 0 states have call successors, (0), 0 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 21:37:08,968 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:37:08,968 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 508 [2022-12-13 21:37:08,969 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:37:12,285 INFO L130 PetriNetUnfolder]: 24597/36370 cut-off events. [2022-12-13 21:37:12,286 INFO L131 PetriNetUnfolder]: For 13689/14034 co-relation queries the response was YES. [2022-12-13 21:37:12,373 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79613 conditions, 36370 events. 24597/36370 cut-off events. For 13689/14034 co-relation queries the response was YES. Maximal size of possible extension queue 1537. Compared 253349 event pairs, 11193 based on Foata normal form. 962/31308 useless extension candidates. Maximal degree in co-relation 79604. Up to 23931 conditions per place. [2022-12-13 21:37:12,496 INFO L137 encePairwiseOnDemand]: 504/508 looper letters, 69 selfloop transitions, 3 changer transitions 0/107 dead transitions. [2022-12-13 21:37:12,496 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 107 transitions, 487 flow [2022-12-13 21:37:12,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 21:37:12,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 21:37:12,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 972 transitions. [2022-12-13 21:37:12,498 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.47834645669291337 [2022-12-13 21:37:12,499 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 972 transitions. [2022-12-13 21:37:12,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 972 transitions. [2022-12-13 21:37:12,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:37:12,499 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 972 transitions. [2022-12-13 21:37:12,500 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 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 21:37:12,632 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 508.0) internal successors, (2540), 5 states have internal predecessors, (2540), 0 states have call successors, (0), 0 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 21:37:12,632 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 508.0) internal successors, (2540), 5 states have internal predecessors, (2540), 0 states have call successors, (0), 0 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 21:37:12,633 INFO L175 Difference]: Start difference. First operand has 85 places, 78 transitions, 247 flow. Second operand 4 states and 972 transitions. [2022-12-13 21:37:12,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 107 transitions, 487 flow [2022-12-13 21:37:12,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 107 transitions, 473 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 21:37:12,680 INFO L231 Difference]: Finished difference. Result has 84 places, 79 transitions, 247 flow [2022-12-13 21:37:12,680 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=508, PETRI_DIFFERENCE_MINUEND_FLOW=233, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=247, PETRI_PLACES=84, PETRI_TRANSITIONS=79} [2022-12-13 21:37:12,680 INFO L288 CegarLoopForPetriNet]: 129 programPoint places, -45 predicate places. [2022-12-13 21:37:12,681 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 79 transitions, 247 flow [2022-12-13 21:37:12,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 233.5) internal successors, (934), 4 states have internal predecessors, (934), 0 states have call successors, (0), 0 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 21:37:12,681 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:37:12,681 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:37:12,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 21:37:12,681 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 96 more)] === [2022-12-13 21:37:12,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:37:12,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1916260846, now seen corresponding path program 1 times [2022-12-13 21:37:12,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:37:12,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183397167] [2022-12-13 21:37:12,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:37:12,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:37:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:12,947 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 21:37:12,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:37:12,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183397167] [2022-12-13 21:37:12,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183397167] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:37:12,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:37:12,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 21:37:12,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771524206] [2022-12-13 21:37:12,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:37:12,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 21:37:12,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:37:12,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:37:12,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:37:13,158 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 508 [2022-12-13 21:37:13,159 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 79 transitions, 247 flow. Second operand has 6 states, 6 states have (on average 225.0) internal successors, (1350), 6 states have internal predecessors, (1350), 0 states have call successors, (0), 0 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 21:37:13,159 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:37:13,159 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 508 [2022-12-13 21:37:13,160 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:37:18,358 INFO L130 PetriNetUnfolder]: 31696/43014 cut-off events. [2022-12-13 21:37:18,359 INFO L131 PetriNetUnfolder]: For 20704/21068 co-relation queries the response was YES. [2022-12-13 21:37:18,480 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101119 conditions, 43014 events. 31696/43014 cut-off events. For 20704/21068 co-relation queries the response was YES. Maximal size of possible extension queue 1477. Compared 258756 event pairs, 15058 based on Foata normal form. 4/35810 useless extension candidates. Maximal degree in co-relation 101109. Up to 33069 conditions per place. [2022-12-13 21:37:18,621 INFO L137 encePairwiseOnDemand]: 500/508 looper letters, 89 selfloop transitions, 21 changer transitions 0/139 dead transitions. [2022-12-13 21:37:18,621 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 139 transitions, 629 flow [2022-12-13 21:37:18,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 21:37:18,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 21:37:18,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1419 transitions. [2022-12-13 21:37:18,624 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4655511811023622 [2022-12-13 21:37:18,624 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1419 transitions. [2022-12-13 21:37:18,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1419 transitions. [2022-12-13 21:37:18,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:37:18,625 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1419 transitions. [2022-12-13 21:37:18,626 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 236.5) internal successors, (1419), 6 states have internal predecessors, (1419), 0 states have call successors, (0), 0 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 21:37:18,629 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 508.0) internal successors, (3556), 7 states have internal predecessors, (3556), 0 states have call successors, (0), 0 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 21:37:18,629 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 508.0) internal successors, (3556), 7 states have internal predecessors, (3556), 0 states have call successors, (0), 0 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 21:37:18,629 INFO L175 Difference]: Start difference. First operand has 84 places, 79 transitions, 247 flow. Second operand 6 states and 1419 transitions. [2022-12-13 21:37:18,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 139 transitions, 629 flow [2022-12-13 21:37:18,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 139 transitions, 625 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 21:37:18,684 INFO L231 Difference]: Finished difference. Result has 92 places, 99 transitions, 425 flow [2022-12-13 21:37:18,684 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=508, PETRI_DIFFERENCE_MINUEND_FLOW=243, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=425, PETRI_PLACES=92, PETRI_TRANSITIONS=99} [2022-12-13 21:37:18,684 INFO L288 CegarLoopForPetriNet]: 129 programPoint places, -37 predicate places. [2022-12-13 21:37:18,684 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 99 transitions, 425 flow [2022-12-13 21:37:18,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 225.0) internal successors, (1350), 6 states have internal predecessors, (1350), 0 states have call successors, (0), 0 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 21:37:18,685 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:37:18,685 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:37:18,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 21:37:18,685 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 96 more)] === [2022-12-13 21:37:18,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:37:18,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1325950220, now seen corresponding path program 1 times [2022-12-13 21:37:18,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:37:18,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080500155] [2022-12-13 21:37:18,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:37:18,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:37:18,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:19,057 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 21:37:19,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:37:19,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080500155] [2022-12-13 21:37:19,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080500155] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:37:19,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:37:19,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 21:37:19,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026302944] [2022-12-13 21:37:19,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:37:19,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 21:37:19,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:37:19,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 21:37:19,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-12-13 21:37:19,522 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 508 [2022-12-13 21:37:19,524 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 99 transitions, 425 flow. Second operand has 9 states, 9 states have (on average 219.88888888888889) internal successors, (1979), 9 states have internal predecessors, (1979), 0 states have call successors, (0), 0 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 21:37:19,524 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:37:19,524 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 508 [2022-12-13 21:37:19,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:37:24,004 INFO L130 PetriNetUnfolder]: 31261/42645 cut-off events. [2022-12-13 21:37:24,004 INFO L131 PetriNetUnfolder]: For 34831/35531 co-relation queries the response was YES. [2022-12-13 21:37:24,116 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110276 conditions, 42645 events. 31261/42645 cut-off events. For 34831/35531 co-relation queries the response was YES. Maximal size of possible extension queue 1477. Compared 257700 event pairs, 13752 based on Foata normal form. 110/35737 useless extension candidates. Maximal degree in co-relation 110262. Up to 28660 conditions per place. [2022-12-13 21:37:24,276 INFO L137 encePairwiseOnDemand]: 502/508 looper letters, 105 selfloop transitions, 8 changer transitions 0/142 dead transitions. [2022-12-13 21:37:24,276 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 142 transitions, 767 flow [2022-12-13 21:37:24,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 21:37:24,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-13 21:37:24,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1603 transitions. [2022-12-13 21:37:24,279 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4507874015748031 [2022-12-13 21:37:24,279 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1603 transitions. [2022-12-13 21:37:24,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1603 transitions. [2022-12-13 21:37:24,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:37:24,279 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1603 transitions. [2022-12-13 21:37:24,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 229.0) internal successors, (1603), 7 states have internal predecessors, (1603), 0 states have call successors, (0), 0 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 21:37:24,283 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 508.0) internal successors, (4064), 8 states have internal predecessors, (4064), 0 states have call successors, (0), 0 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 21:37:24,284 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 508.0) internal successors, (4064), 8 states have internal predecessors, (4064), 0 states have call successors, (0), 0 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 21:37:24,284 INFO L175 Difference]: Start difference. First operand has 92 places, 99 transitions, 425 flow. Second operand 7 states and 1603 transitions. [2022-12-13 21:37:24,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 142 transitions, 767 flow [2022-12-13 21:37:24,446 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 142 transitions, 761 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 21:37:24,447 INFO L231 Difference]: Finished difference. Result has 96 places, 98 transitions, 431 flow [2022-12-13 21:37:24,447 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=508, PETRI_DIFFERENCE_MINUEND_FLOW=415, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=431, PETRI_PLACES=96, PETRI_TRANSITIONS=98} [2022-12-13 21:37:24,447 INFO L288 CegarLoopForPetriNet]: 129 programPoint places, -33 predicate places. [2022-12-13 21:37:24,447 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 98 transitions, 431 flow [2022-12-13 21:37:24,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 219.88888888888889) internal successors, (1979), 9 states have internal predecessors, (1979), 0 states have call successors, (0), 0 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 21:37:24,448 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:37:24,448 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:37:24,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 21:37:24,448 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 96 more)] === [2022-12-13 21:37:24,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:37:24,448 INFO L85 PathProgramCache]: Analyzing trace with hash 800336138, now seen corresponding path program 1 times [2022-12-13 21:37:24,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:37:24,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601555017] [2022-12-13 21:37:24,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:37:24,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:37:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:24,520 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 21:37:24,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:37:24,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601555017] [2022-12-13 21:37:24,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601555017] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:37:24,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:37:24,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:37:24,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548392545] [2022-12-13 21:37:24,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:37:24,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:37:24,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:37:24,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:37:24,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:37:24,542 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 508 [2022-12-13 21:37:24,544 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 98 transitions, 431 flow. Second operand has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 0 states have call successors, (0), 0 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 21:37:24,544 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:37:24,544 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 508 [2022-12-13 21:37:24,544 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:37:30,458 INFO L130 PetriNetUnfolder]: 38159/53120 cut-off events. [2022-12-13 21:37:30,458 INFO L131 PetriNetUnfolder]: For 54880/55730 co-relation queries the response was YES. [2022-12-13 21:37:30,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 138131 conditions, 53120 events. 38159/53120 cut-off events. For 54880/55730 co-relation queries the response was YES. Maximal size of possible extension queue 1926. Compared 346857 event pairs, 14862 based on Foata normal form. 0/44928 useless extension candidates. Maximal degree in co-relation 138117. Up to 32268 conditions per place. [2022-12-13 21:37:30,792 INFO L137 encePairwiseOnDemand]: 504/508 looper letters, 103 selfloop transitions, 3 changer transitions 0/144 dead transitions. [2022-12-13 21:37:30,792 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 144 transitions, 889 flow [2022-12-13 21:37:30,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 21:37:30,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 21:37:30,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 972 transitions. [2022-12-13 21:37:30,795 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.47834645669291337 [2022-12-13 21:37:30,795 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 972 transitions. [2022-12-13 21:37:30,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 972 transitions. [2022-12-13 21:37:30,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:37:30,795 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 972 transitions. [2022-12-13 21:37:30,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 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 21:37:30,799 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 508.0) internal successors, (2540), 5 states have internal predecessors, (2540), 0 states have call successors, (0), 0 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 21:37:30,799 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 508.0) internal successors, (2540), 5 states have internal predecessors, (2540), 0 states have call successors, (0), 0 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 21:37:30,799 INFO L175 Difference]: Start difference. First operand has 96 places, 98 transitions, 431 flow. Second operand 4 states and 972 transitions. [2022-12-13 21:37:30,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 144 transitions, 889 flow [2022-12-13 21:37:30,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 144 transitions, 875 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 21:37:30,922 INFO L231 Difference]: Finished difference. Result has 95 places, 99 transitions, 431 flow [2022-12-13 21:37:30,922 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=508, PETRI_DIFFERENCE_MINUEND_FLOW=417, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=431, PETRI_PLACES=95, PETRI_TRANSITIONS=99} [2022-12-13 21:37:30,922 INFO L288 CegarLoopForPetriNet]: 129 programPoint places, -34 predicate places. [2022-12-13 21:37:30,922 INFO L495 AbstractCegarLoop]: Abstraction has has 95 places, 99 transitions, 431 flow [2022-12-13 21:37:30,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 0 states have call successors, (0), 0 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 21:37:30,923 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:37:30,923 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:37:30,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 21:37:30,923 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 96 more)] === [2022-12-13 21:37:30,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:37:30,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1589491270, now seen corresponding path program 1 times [2022-12-13 21:37:30,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:37:30,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477273050] [2022-12-13 21:37:30,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:37:30,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:37:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:31,284 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-13 21:37:31,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:37:31,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477273050] [2022-12-13 21:37:31,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477273050] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:37:31,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:37:31,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 21:37:31,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341821980] [2022-12-13 21:37:31,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:37:31,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 21:37:31,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:37:31,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:37:31,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:37:31,473 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 508 [2022-12-13 21:37:31,474 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 99 transitions, 431 flow. Second operand has 6 states, 6 states have (on average 226.16666666666666) internal successors, (1357), 6 states have internal predecessors, (1357), 0 states have call successors, (0), 0 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 21:37:31,475 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:37:31,475 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 508 [2022-12-13 21:37:31,475 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:37:37,495 INFO L130 PetriNetUnfolder]: 39335/55056 cut-off events. [2022-12-13 21:37:37,495 INFO L131 PetriNetUnfolder]: For 61373/62273 co-relation queries the response was YES. [2022-12-13 21:37:37,634 INFO L83 FinitePrefix]: Finished finitePrefix Result has 149283 conditions, 55056 events. 39335/55056 cut-off events. For 61373/62273 co-relation queries the response was YES. Maximal size of possible extension queue 1898. Compared 361410 event pairs, 21325 based on Foata normal form. 0/47953 useless extension candidates. Maximal degree in co-relation 149268. Up to 45680 conditions per place. [2022-12-13 21:37:37,812 INFO L137 encePairwiseOnDemand]: 500/508 looper letters, 84 selfloop transitions, 29 changer transitions 0/145 dead transitions. [2022-12-13 21:37:37,813 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 145 transitions, 870 flow [2022-12-13 21:37:37,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 21:37:37,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 21:37:37,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1397 transitions. [2022-12-13 21:37:37,816 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4583333333333333 [2022-12-13 21:37:37,816 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1397 transitions. [2022-12-13 21:37:37,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1397 transitions. [2022-12-13 21:37:37,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:37:37,816 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1397 transitions. [2022-12-13 21:37:37,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 232.83333333333334) internal successors, (1397), 6 states have internal predecessors, (1397), 0 states have call successors, (0), 0 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 21:37:37,821 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 508.0) internal successors, (3556), 7 states have internal predecessors, (3556), 0 states have call successors, (0), 0 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 21:37:37,822 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 508.0) internal successors, (3556), 7 states have internal predecessors, (3556), 0 states have call successors, (0), 0 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 21:37:37,822 INFO L175 Difference]: Start difference. First operand has 95 places, 99 transitions, 431 flow. Second operand 6 states and 1397 transitions. [2022-12-13 21:37:37,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 145 transitions, 870 flow [2022-12-13 21:37:38,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 145 transitions, 866 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 21:37:38,005 INFO L231 Difference]: Finished difference. Result has 103 places, 127 transitions, 741 flow [2022-12-13 21:37:38,005 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=508, PETRI_DIFFERENCE_MINUEND_FLOW=427, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=741, PETRI_PLACES=103, PETRI_TRANSITIONS=127} [2022-12-13 21:37:38,005 INFO L288 CegarLoopForPetriNet]: 129 programPoint places, -26 predicate places. [2022-12-13 21:37:38,005 INFO L495 AbstractCegarLoop]: Abstraction has has 103 places, 127 transitions, 741 flow [2022-12-13 21:37:38,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 226.16666666666666) internal successors, (1357), 6 states have internal predecessors, (1357), 0 states have call successors, (0), 0 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 21:37:38,006 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:37:38,006 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:37:38,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 21:37:38,006 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 96 more)] === [2022-12-13 21:37:38,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:37:38,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1689233192, now seen corresponding path program 1 times [2022-12-13 21:37:38,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:37:38,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202901599] [2022-12-13 21:37:38,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:37:38,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:37:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:38,388 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-13 21:37:38,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:37:38,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202901599] [2022-12-13 21:37:38,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202901599] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:37:38,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:37:38,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 21:37:38,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336733208] [2022-12-13 21:37:38,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:37:38,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 21:37:38,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:37:38,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 21:37:38,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-12-13 21:37:38,715 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 508 [2022-12-13 21:37:38,716 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 127 transitions, 741 flow. Second operand has 9 states, 9 states have (on average 220.66666666666666) internal successors, (1986), 9 states have internal predecessors, (1986), 0 states have call successors, (0), 0 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 21:37:38,716 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:37:38,716 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 508 [2022-12-13 21:37:38,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:37:45,069 INFO L130 PetriNetUnfolder]: 39270/55005 cut-off events. [2022-12-13 21:37:45,069 INFO L131 PetriNetUnfolder]: For 81823/83173 co-relation queries the response was YES. [2022-12-13 21:37:45,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 156681 conditions, 55005 events. 39270/55005 cut-off events. For 81823/83173 co-relation queries the response was YES. Maximal size of possible extension queue 1898. Compared 361470 event pairs, 21165 based on Foata normal form. 22/47960 useless extension candidates. Maximal degree in co-relation 156662. Up to 44833 conditions per place. [2022-12-13 21:37:45,465 INFO L137 encePairwiseOnDemand]: 502/508 looper letters, 110 selfloop transitions, 8 changer transitions 0/150 dead transitions. [2022-12-13 21:37:45,465 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 150 transitions, 1069 flow [2022-12-13 21:37:45,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 21:37:45,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-13 21:37:45,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1583 transitions. [2022-12-13 21:37:45,468 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4451631046119235 [2022-12-13 21:37:45,468 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1583 transitions. [2022-12-13 21:37:45,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1583 transitions. [2022-12-13 21:37:45,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:37:45,469 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1583 transitions. [2022-12-13 21:37:45,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 226.14285714285714) internal successors, (1583), 7 states have internal predecessors, (1583), 0 states have call successors, (0), 0 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 21:37:45,473 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 508.0) internal successors, (4064), 8 states have internal predecessors, (4064), 0 states have call successors, (0), 0 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 21:37:45,474 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 508.0) internal successors, (4064), 8 states have internal predecessors, (4064), 0 states have call successors, (0), 0 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 21:37:45,474 INFO L175 Difference]: Start difference. First operand has 103 places, 127 transitions, 741 flow. Second operand 7 states and 1583 transitions. [2022-12-13 21:37:45,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 150 transitions, 1069 flow [2022-12-13 21:37:45,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 150 transitions, 1061 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 21:37:45,835 INFO L231 Difference]: Finished difference. Result has 107 places, 126 transitions, 745 flow [2022-12-13 21:37:45,835 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=508, PETRI_DIFFERENCE_MINUEND_FLOW=729, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=745, PETRI_PLACES=107, PETRI_TRANSITIONS=126} [2022-12-13 21:37:45,836 INFO L288 CegarLoopForPetriNet]: 129 programPoint places, -22 predicate places. [2022-12-13 21:37:45,836 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 126 transitions, 745 flow [2022-12-13 21:37:45,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 220.66666666666666) internal successors, (1986), 9 states have internal predecessors, (1986), 0 states have call successors, (0), 0 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 21:37:45,836 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:37:45,836 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:37:45,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 21:37:45,836 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 96 more)] === [2022-12-13 21:37:45,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:37:45,837 INFO L85 PathProgramCache]: Analyzing trace with hash -907851084, now seen corresponding path program 1 times [2022-12-13 21:37:45,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:37:45,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934313569] [2022-12-13 21:37:45,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:37:45,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:37:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:45,920 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-13 21:37:45,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:37:45,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934313569] [2022-12-13 21:37:45,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934313569] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:37:45,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:37:45,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:37:45,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284105131] [2022-12-13 21:37:45,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:37:45,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:37:45,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:37:45,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:37:45,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:37:45,945 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 508 [2022-12-13 21:37:45,946 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 126 transitions, 745 flow. Second operand has 4 states, 4 states have (on average 236.5) internal successors, (946), 4 states have internal predecessors, (946), 0 states have call successors, (0), 0 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 21:37:45,946 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:37:45,946 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 508 [2022-12-13 21:37:45,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:37:55,456 INFO L130 PetriNetUnfolder]: 53258/74074 cut-off events. [2022-12-13 21:37:55,456 INFO L131 PetriNetUnfolder]: For 126783/129849 co-relation queries the response was YES. [2022-12-13 21:37:55,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 216562 conditions, 74074 events. 53258/74074 cut-off events. For 126783/129849 co-relation queries the response was YES. Maximal size of possible extension queue 2723. Compared 503603 event pairs, 21384 based on Foata normal form. 567/67894 useless extension candidates. Maximal degree in co-relation 216543. Up to 45664 conditions per place. [2022-12-13 21:37:55,991 INFO L137 encePairwiseOnDemand]: 504/508 looper letters, 132 selfloop transitions, 27 changer transitions 0/199 dead transitions. [2022-12-13 21:37:55,991 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 199 transitions, 1593 flow [2022-12-13 21:37:55,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 21:37:55,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 21:37:55,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 975 transitions. [2022-12-13 21:37:55,996 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.47982283464566927 [2022-12-13 21:37:55,996 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 975 transitions. [2022-12-13 21:37:55,996 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 975 transitions. [2022-12-13 21:37:55,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:37:55,997 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 975 transitions. [2022-12-13 21:37:55,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 243.75) internal successors, (975), 4 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 21:37:55,999 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 508.0) internal successors, (2540), 5 states have internal predecessors, (2540), 0 states have call successors, (0), 0 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 21:37:56,000 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 508.0) internal successors, (2540), 5 states have internal predecessors, (2540), 0 states have call successors, (0), 0 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 21:37:56,000 INFO L175 Difference]: Start difference. First operand has 107 places, 126 transitions, 745 flow. Second operand 4 states and 975 transitions. [2022-12-13 21:37:56,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 199 transitions, 1593 flow [2022-12-13 21:37:56,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 199 transitions, 1579 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-12-13 21:37:56,471 INFO L231 Difference]: Finished difference. Result has 106 places, 151 transitions, 1095 flow [2022-12-13 21:37:56,472 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=508, PETRI_DIFFERENCE_MINUEND_FLOW=731, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1095, PETRI_PLACES=106, PETRI_TRANSITIONS=151} [2022-12-13 21:37:56,472 INFO L288 CegarLoopForPetriNet]: 129 programPoint places, -23 predicate places. [2022-12-13 21:37:56,472 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 151 transitions, 1095 flow [2022-12-13 21:37:56,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 236.5) internal successors, (946), 4 states have internal predecessors, (946), 0 states have call successors, (0), 0 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 21:37:56,473 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:37:56,473 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:37:56,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 21:37:56,473 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 96 more)] === [2022-12-13 21:37:56,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:37:56,474 INFO L85 PathProgramCache]: Analyzing trace with hash 484676469, now seen corresponding path program 1 times [2022-12-13 21:37:56,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:37:56,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104244774] [2022-12-13 21:37:56,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:37:56,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:37:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:37:56,914 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-13 21:37:56,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:37:56,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104244774] [2022-12-13 21:37:56,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104244774] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:37:56,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:37:56,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 21:37:56,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85358259] [2022-12-13 21:37:56,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:37:56,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 21:37:56,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:37:56,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:37:56,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:37:57,116 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 221 out of 508 [2022-12-13 21:37:57,117 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 151 transitions, 1095 flow. Second operand has 6 states, 6 states have (on average 227.0) internal successors, (1362), 6 states have internal predecessors, (1362), 0 states have call successors, (0), 0 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 21:37:57,117 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:37:57,117 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 221 of 508 [2022-12-13 21:37:57,117 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:38:04,884 INFO L130 PetriNetUnfolder]: 45932/64692 cut-off events. [2022-12-13 21:38:04,884 INFO L131 PetriNetUnfolder]: For 141560/144732 co-relation queries the response was YES. [2022-12-13 21:38:05,107 INFO L83 FinitePrefix]: Finished finitePrefix Result has 204118 conditions, 64692 events. 45932/64692 cut-off events. For 141560/144732 co-relation queries the response was YES. Maximal size of possible extension queue 2308. Compared 439441 event pairs, 26372 based on Foata normal form. 1552/62068 useless extension candidates. Maximal degree in co-relation 204098. Up to 54388 conditions per place. [2022-12-13 21:38:05,321 INFO L137 encePairwiseOnDemand]: 501/508 looper letters, 118 selfloop transitions, 20 changer transitions 6/179 dead transitions. [2022-12-13 21:38:05,321 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 179 transitions, 1559 flow [2022-12-13 21:38:05,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 21:38:05,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 21:38:05,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1383 transitions. [2022-12-13 21:38:05,324 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.453740157480315 [2022-12-13 21:38:05,324 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1383 transitions. [2022-12-13 21:38:05,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1383 transitions. [2022-12-13 21:38:05,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:38:05,324 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1383 transitions. [2022-12-13 21:38:05,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 230.5) internal successors, (1383), 6 states have internal predecessors, (1383), 0 states have call successors, (0), 0 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 21:38:05,328 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 508.0) internal successors, (3556), 7 states have internal predecessors, (3556), 0 states have call successors, (0), 0 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 21:38:05,328 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 508.0) internal successors, (3556), 7 states have internal predecessors, (3556), 0 states have call successors, (0), 0 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 21:38:05,329 INFO L175 Difference]: Start difference. First operand has 106 places, 151 transitions, 1095 flow. Second operand 6 states and 1383 transitions. [2022-12-13 21:38:05,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 179 transitions, 1559 flow [2022-12-13 21:38:05,658 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 179 transitions, 1531 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 21:38:05,659 INFO L231 Difference]: Finished difference. Result has 113 places, 169 transitions, 1302 flow [2022-12-13 21:38:05,659 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=508, PETRI_DIFFERENCE_MINUEND_FLOW=1067, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1302, PETRI_PLACES=113, PETRI_TRANSITIONS=169} [2022-12-13 21:38:05,660 INFO L288 CegarLoopForPetriNet]: 129 programPoint places, -16 predicate places. [2022-12-13 21:38:05,660 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 169 transitions, 1302 flow [2022-12-13 21:38:05,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 227.0) internal successors, (1362), 6 states have internal predecessors, (1362), 0 states have call successors, (0), 0 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 21:38:05,660 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 21:38:05,660 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:38:05,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 21:38:05,661 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 96 more)] === [2022-12-13 21:38:05,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:38:05,661 INFO L85 PathProgramCache]: Analyzing trace with hash -48790281, now seen corresponding path program 1 times [2022-12-13 21:38:05,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:38:05,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455845826] [2022-12-13 21:38:05,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:38:05,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:38:05,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:38:06,194 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-13 21:38:06,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:38:06,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455845826] [2022-12-13 21:38:06,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455845826] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:38:06,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:38:06,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 21:38:06,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030536807] [2022-12-13 21:38:06,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:38:06,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 21:38:06,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:38:06,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 21:38:06,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-12-13 21:38:06,583 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 508 [2022-12-13 21:38:06,585 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 169 transitions, 1302 flow. Second operand has 9 states, 9 states have (on average 221.11111111111111) internal successors, (1990), 9 states have internal predecessors, (1990), 0 states have call successors, (0), 0 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 21:38:06,585 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 21:38:06,585 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 508 [2022-12-13 21:38:06,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 21:38:15,180 INFO L130 PetriNetUnfolder]: 45876/64588 cut-off events. [2022-12-13 21:38:15,180 INFO L131 PetriNetUnfolder]: For 163385/166557 co-relation queries the response was YES. [2022-12-13 21:38:15,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206640 conditions, 64588 events. 45876/64588 cut-off events. For 163385/166557 co-relation queries the response was YES. Maximal size of possible extension queue 2308. Compared 439245 event pairs, 26358 based on Foata normal form. 1556/61974 useless extension candidates. Maximal degree in co-relation 206616. Up to 54255 conditions per place. [2022-12-13 21:38:15,472 INFO L137 encePairwiseOnDemand]: 502/508 looper letters, 0 selfloop transitions, 0 changer transitions 180/180 dead transitions. [2022-12-13 21:38:15,472 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 180 transitions, 1644 flow [2022-12-13 21:38:15,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 21:38:15,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-13 21:38:15,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1570 transitions. [2022-12-13 21:38:15,475 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4415073115860517 [2022-12-13 21:38:15,475 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1570 transitions. [2022-12-13 21:38:15,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1570 transitions. [2022-12-13 21:38:15,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:38:15,476 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1570 transitions. [2022-12-13 21:38:15,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 224.28571428571428) internal successors, (1570), 7 states have internal predecessors, (1570), 0 states have call successors, (0), 0 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 21:38:15,480 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 508.0) internal successors, (4064), 8 states have internal predecessors, (4064), 0 states have call successors, (0), 0 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 21:38:15,480 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 508.0) internal successors, (4064), 8 states have internal predecessors, (4064), 0 states have call successors, (0), 0 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 21:38:15,480 INFO L175 Difference]: Start difference. First operand has 113 places, 169 transitions, 1302 flow. Second operand 7 states and 1570 transitions. [2022-12-13 21:38:15,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 180 transitions, 1644 flow [2022-12-13 21:38:16,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 180 transitions, 1639 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 21:38:16,393 INFO L231 Difference]: Finished difference. Result has 116 places, 0 transitions, 0 flow [2022-12-13 21:38:16,393 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=508, PETRI_DIFFERENCE_MINUEND_FLOW=1293, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=116, PETRI_TRANSITIONS=0} [2022-12-13 21:38:16,393 INFO L288 CegarLoopForPetriNet]: 129 programPoint places, -13 predicate places. [2022-12-13 21:38:16,393 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 0 transitions, 0 flow [2022-12-13 21:38:16,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 221.11111111111111) internal successors, (1990), 9 states have internal predecessors, (1990), 0 states have call successors, (0), 0 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 21:38:16,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (99 of 100 remaining) [2022-12-13 21:38:16,395 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (98 of 100 remaining) [2022-12-13 21:38:16,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (97 of 100 remaining) [2022-12-13 21:38:16,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (96 of 100 remaining) [2022-12-13 21:38:16,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (95 of 100 remaining) [2022-12-13 21:38:16,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (94 of 100 remaining) [2022-12-13 21:38:16,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (93 of 100 remaining) [2022-12-13 21:38:16,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (92 of 100 remaining) [2022-12-13 21:38:16,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (91 of 100 remaining) [2022-12-13 21:38:16,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (90 of 100 remaining) [2022-12-13 21:38:16,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (89 of 100 remaining) [2022-12-13 21:38:16,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (88 of 100 remaining) [2022-12-13 21:38:16,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (87 of 100 remaining) [2022-12-13 21:38:16,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (86 of 100 remaining) [2022-12-13 21:38:16,396 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (85 of 100 remaining) [2022-12-13 21:38:16,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (84 of 100 remaining) [2022-12-13 21:38:16,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (83 of 100 remaining) [2022-12-13 21:38:16,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (82 of 100 remaining) [2022-12-13 21:38:16,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (81 of 100 remaining) [2022-12-13 21:38:16,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (80 of 100 remaining) [2022-12-13 21:38:16,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (79 of 100 remaining) [2022-12-13 21:38:16,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (78 of 100 remaining) [2022-12-13 21:38:16,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (77 of 100 remaining) [2022-12-13 21:38:16,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (76 of 100 remaining) [2022-12-13 21:38:16,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (75 of 100 remaining) [2022-12-13 21:38:16,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (74 of 100 remaining) [2022-12-13 21:38:16,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (73 of 100 remaining) [2022-12-13 21:38:16,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (72 of 100 remaining) [2022-12-13 21:38:16,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (71 of 100 remaining) [2022-12-13 21:38:16,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (70 of 100 remaining) [2022-12-13 21:38:16,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (69 of 100 remaining) [2022-12-13 21:38:16,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (68 of 100 remaining) [2022-12-13 21:38:16,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (67 of 100 remaining) [2022-12-13 21:38:16,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (66 of 100 remaining) [2022-12-13 21:38:16,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (65 of 100 remaining) [2022-12-13 21:38:16,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (64 of 100 remaining) [2022-12-13 21:38:16,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (63 of 100 remaining) [2022-12-13 21:38:16,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (62 of 100 remaining) [2022-12-13 21:38:16,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (61 of 100 remaining) [2022-12-13 21:38:16,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (60 of 100 remaining) [2022-12-13 21:38:16,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (59 of 100 remaining) [2022-12-13 21:38:16,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (58 of 100 remaining) [2022-12-13 21:38:16,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (57 of 100 remaining) [2022-12-13 21:38:16,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (56 of 100 remaining) [2022-12-13 21:38:16,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (55 of 100 remaining) [2022-12-13 21:38:16,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (54 of 100 remaining) [2022-12-13 21:38:16,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (53 of 100 remaining) [2022-12-13 21:38:16,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (52 of 100 remaining) [2022-12-13 21:38:16,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (51 of 100 remaining) [2022-12-13 21:38:16,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (50 of 100 remaining) [2022-12-13 21:38:16,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (49 of 100 remaining) [2022-12-13 21:38:16,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (48 of 100 remaining) [2022-12-13 21:38:16,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONDATA_RACE (47 of 100 remaining) [2022-12-13 21:38:16,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONDATA_RACE (46 of 100 remaining) [2022-12-13 21:38:16,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err2ASSERT_VIOLATIONDATA_RACE (45 of 100 remaining) [2022-12-13 21:38:16,399 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err3ASSERT_VIOLATIONDATA_RACE (44 of 100 remaining) [2022-12-13 21:38:16,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err4ASSERT_VIOLATIONDATA_RACE (43 of 100 remaining) [2022-12-13 21:38:16,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err5ASSERT_VIOLATIONDATA_RACE (42 of 100 remaining) [2022-12-13 21:38:16,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (41 of 100 remaining) [2022-12-13 21:38:16,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (40 of 100 remaining) [2022-12-13 21:38:16,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (39 of 100 remaining) [2022-12-13 21:38:16,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (38 of 100 remaining) [2022-12-13 21:38:16,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (37 of 100 remaining) [2022-12-13 21:38:16,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (36 of 100 remaining) [2022-12-13 21:38:16,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (35 of 100 remaining) [2022-12-13 21:38:16,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (34 of 100 remaining) [2022-12-13 21:38:16,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (33 of 100 remaining) [2022-12-13 21:38:16,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (32 of 100 remaining) [2022-12-13 21:38:16,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (31 of 100 remaining) [2022-12-13 21:38:16,400 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (30 of 100 remaining) [2022-12-13 21:38:16,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (29 of 100 remaining) [2022-12-13 21:38:16,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (28 of 100 remaining) [2022-12-13 21:38:16,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (27 of 100 remaining) [2022-12-13 21:38:16,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (26 of 100 remaining) [2022-12-13 21:38:16,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (25 of 100 remaining) [2022-12-13 21:38:16,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (24 of 100 remaining) [2022-12-13 21:38:16,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (23 of 100 remaining) [2022-12-13 21:38:16,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (22 of 100 remaining) [2022-12-13 21:38:16,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (21 of 100 remaining) [2022-12-13 21:38:16,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (20 of 100 remaining) [2022-12-13 21:38:16,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (19 of 100 remaining) [2022-12-13 21:38:16,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (18 of 100 remaining) [2022-12-13 21:38:16,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (17 of 100 remaining) [2022-12-13 21:38:16,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (16 of 100 remaining) [2022-12-13 21:38:16,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (15 of 100 remaining) [2022-12-13 21:38:16,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (14 of 100 remaining) [2022-12-13 21:38:16,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (13 of 100 remaining) [2022-12-13 21:38:16,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (12 of 100 remaining) [2022-12-13 21:38:16,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (11 of 100 remaining) [2022-12-13 21:38:16,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (10 of 100 remaining) [2022-12-13 21:38:16,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (9 of 100 remaining) [2022-12-13 21:38:16,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (8 of 100 remaining) [2022-12-13 21:38:16,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (7 of 100 remaining) [2022-12-13 21:38:16,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (6 of 100 remaining) [2022-12-13 21:38:16,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err0ASSERT_VIOLATIONDATA_RACE (5 of 100 remaining) [2022-12-13 21:38:16,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err1ASSERT_VIOLATIONDATA_RACE (4 of 100 remaining) [2022-12-13 21:38:16,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err2ASSERT_VIOLATIONDATA_RACE (3 of 100 remaining) [2022-12-13 21:38:16,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err3ASSERT_VIOLATIONDATA_RACE (2 of 100 remaining) [2022-12-13 21:38:16,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err4ASSERT_VIOLATIONDATA_RACE (1 of 100 remaining) [2022-12-13 21:38:16,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread5Err5ASSERT_VIOLATIONDATA_RACE (0 of 100 remaining) [2022-12-13 21:38:16,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 21:38:16,403 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:38:16,407 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 21:38:16,407 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:38:16,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:38:16 BasicIcfg [2022-12-13 21:38:16,409 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:38:16,410 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:38:16,410 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:38:16,410 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:38:16,410 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:36:40" (3/4) ... [2022-12-13 21:38:16,412 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 21:38:16,415 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 21:38:16,415 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 21:38:16,416 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-12-13 21:38:16,416 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-12-13 21:38:16,416 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread5 [2022-12-13 21:38:16,419 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2022-12-13 21:38:16,419 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 21:38:16,419 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 21:38:16,419 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 21:38:16,445 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786aca12-84b6-40af-a56a-998e4189e2fd/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 21:38:16,445 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:38:16,446 INFO L158 Benchmark]: Toolchain (without parser) took 97513.82ms. Allocated memory was 167.8MB in the beginning and 5.3GB in the end (delta: 5.2GB). Free memory was 136.9MB in the beginning and 2.3GB in the end (delta: -2.1GB). Peak memory consumption was 3.0GB. Max. memory is 16.1GB. [2022-12-13 21:38:16,446 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 107.0MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:38:16,446 INFO L158 Benchmark]: CACSL2BoogieTranslator took 209.24ms. Allocated memory is still 167.8MB. Free memory was 136.6MB in the beginning and 126.5MB in the end (delta: 10.2MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2022-12-13 21:38:16,446 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.89ms. Allocated memory is still 167.8MB. Free memory was 126.5MB in the beginning and 123.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:38:16,446 INFO L158 Benchmark]: Boogie Preprocessor took 59.77ms. Allocated memory is still 167.8MB. Free memory was 123.3MB in the beginning and 119.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:38:16,447 INFO L158 Benchmark]: RCFGBuilder took 931.05ms. Allocated memory is still 167.8MB. Free memory was 119.1MB in the beginning and 111.1MB in the end (delta: 8.0MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2022-12-13 21:38:16,447 INFO L158 Benchmark]: TraceAbstraction took 96221.70ms. Allocated memory was 167.8MB in the beginning and 5.3GB in the end (delta: 5.2GB). Free memory was 111.1MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 3.0GB. Max. memory is 16.1GB. [2022-12-13 21:38:16,447 INFO L158 Benchmark]: Witness Printer took 35.54ms. Allocated memory is still 5.3GB. Free memory was 2.3GB in the beginning and 2.3GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:38:16,449 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 107.0MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 209.24ms. Allocated memory is still 167.8MB. Free memory was 136.6MB in the beginning and 126.5MB in the end (delta: 10.2MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.89ms. Allocated memory is still 167.8MB. Free memory was 126.5MB in the beginning and 123.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.77ms. Allocated memory is still 167.8MB. Free memory was 123.3MB in the beginning and 119.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 931.05ms. Allocated memory is still 167.8MB. Free memory was 119.1MB in the beginning and 111.1MB in the end (delta: 8.0MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. * TraceAbstraction took 96221.70ms. Allocated memory was 167.8MB in the beginning and 5.3GB in the end (delta: 5.2GB). Free memory was 111.1MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 3.0GB. Max. memory is 16.1GB. * Witness Printer took 35.54ms. Allocated memory is still 5.3GB. Free memory was 2.3GB in the beginning and 2.3GB 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: 10.9s, 275 PlacesBefore, 129 PlacesAfterwards, 272 TransitionsBefore, 122 TransitionsAfterwards, 14642 CoEnabledTransitionPairs, 9 FixpointIterations, 110 TrivialSequentialCompositions, 69 ConcurrentSequentialCompositions, 11 TrivialYvCompositions, 13 ConcurrentYvCompositions, 4 ChoiceCompositions, 207 TotalNumberOfCompositions, 100952 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 32473, independent: 31094, independent conditional: 0, independent unconditional: 31094, dependent: 1379, dependent conditional: 0, dependent unconditional: 1379, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6656, independent: 6488, independent conditional: 0, independent unconditional: 6488, dependent: 168, dependent conditional: 0, dependent unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 32473, independent: 24606, independent conditional: 0, independent unconditional: 24606, dependent: 1211, dependent conditional: 0, dependent unconditional: 1211, unknown: 6656, unknown conditional: 0, unknown unconditional: 6656] , Statistics on independence cache: Total cache size (in pairs): 1679, Positive cache size: 1557, Positive conditional cache size: 0, Positive unconditional cache size: 1557, Negative cache size: 122, Negative conditional cache size: 0, Negative unconditional cache size: 122, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: 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: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: 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: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: 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: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 145]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 130]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: 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: 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: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 11 procedures, 387 locations, 100 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: 96.1s, OverallIterations: 14, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 81.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2225 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1515 mSDsluCounter, 449 SdHoareTripleChecker+Invalid, 4.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 306 mSDsCounter, 860 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5589 IncrementalHoareTripleChecker+Invalid, 6449 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 860 mSolverCounterUnsat, 143 mSDtfsCounter, 5589 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1302occurred in iteration=13, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 479 NumberOfCodeBlocks, 479 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 465 ConstructedInterpolants, 0 QuantifiedInterpolants, 1983 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 41/41 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 53 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 21:38:16,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786aca12-84b6-40af-a56a-998e4189e2fd/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